FSA

Shop FSA components at Swinnerton Cycles. FSA (Full Speed Ahead) is a Taiwanese brand producing a comprehensive range of road and mountain bike components — including cranksets, bottom brackets, headsets, handlebars, and stems — that deliver genuine performance at accessible price points. FSA components are widely used as original equipment...

Shop FSA components at Swinnerton Cycles. FSA (Full Speed Ahead) is a Taiwanese brand producing a comprehensive range of road and mountain bike components — including cranksets, bottom brackets, headsets, handlebars, and stems — that deliver genuine performance at accessible price points. FSA components are widely used as original equipment on bikes from major manufacturers and are a popular choice for upgrades and replacements across all cycling disciplines.

From their ICR internal routing headsets to PF30 bottom brackets and precision bearings, FSA covers the essential component needs of road, gravel, and MTB cyclists with products that are well-engineered and broadly compatible.

  • Headsets for all standards including ICR internal routing
  • Bottom brackets in PF30, BSA, and other standards
  • Cranksets and chainrings for road and MTB
  • Handlebars and stems for road and MTB cockpits
  • Precision bearings for headsets and bottom brackets
  • Broad compatibility with all major bike brands and standards

FSA Best Sellers

Browse our full range of bike headsets, bottom brackets, and bike components at Swinnerton Cycles.

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  • FSA Chainrings (e-Bike) - Ebike Steel Chainring 1x12 104BCD - Colour: Black, Chain Ring Size: 42TFSA Chainrings (e-Bike) - Ebike Steel Chainring 1x12 104BCD - Colour: Black, Chain Ring Size: 42T

      FSA Ebike Steel Chainring 1x12 104mm 42T WB497 for MTB Drivetrain Upgrade

      Upgrade your mountain bike’s drivetrain with the FSA Ebike Steel Chainring (1x12, 104x42T, WB497), a premium component crafted for e-bike riders who demand both performance and durability. Designed by FSA, a leading name in cycling components, this steel chainring combines strength with precision to...
      £30.69
      £32.99
      £30.69
      Save £2.30
    • FSA HM1 ebike system range extender cage for external battery mounting, showing sturdy metal design and attachment points.FSA HM1 Ebike system range extender cage for external battery mounting, durable bicycle component for extended e-bike range.

        FSA HM1 Ebike System Range Extender Cage for External Battery Mounting

        The FSA HM1 Ebike System Range Extender Cage securely mounts your external battery, enhancing your e-bike's power endurance. Designed for easy installation and durability, it ensures your battery stays firmly in place during rides. Compatible with the FSA HM1 External Battery, this cage integrates...
        £24.99
        £24.99
      • FSA V-Drive MegaExo right hand crank arm replacement part for V18 crankset, showing detailed metal component with branding.

          FSA V-Drive MegaExo Right Hand Arm V18 Replacement Crankset Part & Accessories

          Upgrade your bike with the FSA V-Drive MegaExo Right Hand Arm V18. Designed for durability and precision, it ensures smooth and efficient pedaling performance. Crafted from high-quality materials, this component enhances your bike's transmission system, providing reliable power transfer with every ride. What It’s...
          £25.99
          £25.99
        • FSA BB-4000 Omega Drive Road MegaExo bottom bracket with CNC machined cups for bicycle components.FSA BB-4000 Omega Drive road bike bottom bracket with CNC machined cups and MegaExo bottom bracket components.

            FSA BB-4000 Omega Drive Road MegaExo Bottom Bracket with CNC Machined Cups

            The FSA BB-4000 Omega Drive Road MegaExo Bottom Bracket offers superior durability and smooth performance with oversized cartridge bearings and forged steel external cups. Its CNC-machined design ensures precision and longevity for your drivetrain. Featuring a composite centre sleeve with double o-ring seals, this...
            £44.64
            £47.99
            £44.64
            Save £3.35
          • FSA BB86/386 Evo bottom bracket for BB86 frames and 386Evo cranksets, showing the metal bearings and installation components.FSA BB86/386 Evo bottom bracket installed in bike frame with 386Evo crankset, showing the component's design and fit.

              FSA BB86/386 Evo Bottom Bracket for BB86 Frames & 386Evo Cranksets

              The FSA BB86/386 Evo Bottom Bracket seamlessly adapts your BB86 frame to fit FSA 386Evo cranksets, ensuring smooth integration. Crafted with stainless steel bearings, it guarantees durability and low friction for enhanced performance. Weighing just 87.8g, this component offers a lightweight yet reliable solution...
              £61.38
              £65.99
              £61.38
              Save £4.61
            • FSA BB30/PF30 to 24mm bottom bracket adapter for MegaExo and Shimano cranksets, shown with installation details.FSA BB30/PF30 to 24mm bottom bracket adapter for MegaExo and Shimano cranksets, shown with metal components and threading

                FSA BB30/PF30 to 24mm Bottom Bracket Adapter for MegaExo & Shimano Cranksets - Black

                The FSA BB30/PF30 to 24mm BB adapter enables seamless installation of FSA 24mm axle MegaExo cranksets and Shimano HollowTech II cranksets into BB30 and PF30 bottom bracket shells. Crafted with an aluminum core covered in durable plastic, it ensures reliable performance and longevity. Designed...
                £38.13
                £40.99
                £38.13
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                • Black
              • FSA BB30 right side adjust spacer for precise bottom bracket alignment, component for bike maintenance and installation.FSA BB30 right side adjust spacer for precise bottom bracket alignment, shown with the component in close-up.

                  FSA BB30 Right Side Adjust Spacer MW114 for Precise Bottom Bracket Alignment

                  Enhance your bike’s performance with the FSA BB30 Right Side Adjust Spacer MW114. Designed for precise fit and reliable adjustment, it ensures smooth gear transitions and optimal drivetrain alignment. Crafted with durable materials, this spacer is essential for maintaining your bottom bracket’s integrity and...
                  £3.48
                  £3.99
                  £3.48
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                • FSA MegaExo outer O-ring seal for bottom bracket replacement, showing the black rubber seal component.FSA MegaExo outer O-ring seal for bottom bracket replacement, showing close-up of the black rubber seal component.

                    FSA MegaExo Outer O-Ring Seal for Bottom Bracket Replacement MS149-TF

                    Upgrade your bike’s performance with the FSA O-Ring for MegaExo (outer). Designed for durability and precision, this component ensures smooth operation and longevity. Crafted by FSA, this O-Ring fits perfectly with your MegaExo bottom bracket, keeping your transmission components sealed and protected from dirt...
                    £2.09
                    £2.99
                    £2.09
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                  • FSA The Pig 1.1/8 BMX and Freeride headset with gyro compatibility and durable bearings, close-up view of the bicycle component

                      FSA The Pig 1.1/8 BMX & Freeride Headset with Gyro Compatibility and Durable Bearings

                      The FSA The Pig 1.1/8 headset is engineered for BMX and freeride enthusiasts seeking durability and precision. Featuring forged chromoly lower cups and oversized 15B lower ball bearings, it ensures smooth steering and long-lasting performance. Its gyro compatibility and compact stack height of 30mm...
                      £26.97
                      £28.99
                      £26.97
                      Save £2.02
                    • FSA No.42/48/ACB integrated headset for 1.1/8" to 1.5" tapered forks, with 42.0/52.0mm size components.FSA No.42/48/ACB integrated headset for 1.1/8" to 1.5" tapered forks, 42.0/52.0mm, bicycle component with black finish

                      FSA No.42/48/ACB Integrated Headset 1.1/8" to 1.5" Tapered Fork 42.0/52.0mm - Black

                      The FSA No.42/48/ACB Integrated Headset is engineered for precision steering and durability. Designed for tapered forks from 1.1/8" to 1.5" and head tubes with 42.0/52.0mm diameters, it ensures a perfect fit and smooth handling. Its alloy top cover and angular contact bearing offer long-lasting...
                      from £32.55
                      £34.99
                      from £32.55
                      Save £2.44
                      • Black
                    • Fsa Acr Cone Spacer For Orbea Mw359 Spares & AccessoriesFSA ACR Cone Spacer for Orbea MW359 | Swinnerton Cycles

                        FSA ACR Cone Spacer for Orbea MW359 Headset with Integrated Cable Routing

                        The FSA ACR Cone Spacer for Orbea MW359 ensures precise headset alignment and smooth steering. Designed for seamless integration, it supports fully integrated cable routing for a clean, professional setup. What It’s Good For Maintains headset stability and alignment Supports fully integrated cable routing...
                        £49.99
                        £49.99
                      • FSA SL Alloy ACB headset bearing for bike steering, 1.1/2 inch, 36°×45° angle, durable alloy component.FSA SL Alloy ACB Headset Bearing for bike steering, 1.1/2" size, 36°×45° angle, durable alloy construction.

                          FSA SL Alloy ACB Headset Bearing TH-073R 1.1/2" 36°×45° Bike Steering Component

                          The FSA SL Alloy ACB Headset Bearing TH-073R combines durability with lightweight performance, enhancing your bike's steering precision. Crafted with an alloy housing, it offers a 25% weight reduction compared to traditional steel bearings, making it an excellent upgrade. Its dimensions and angle specifications...
                          £28.83
                          £30.99
                          £28.83
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                        • FSA Headset Bearing ACB TH-372 for 1-inch forks, 38.5mm, 36°×36° bike steering component showing bearing and headset partsFSA Headset Bearing ACB TH-372 for 1-inch bike steering, 38.5mm, with 36°×36° angle, smooth bike handling component

                            FSA Headset Bearing ACB TH-372 1" 38.5mm 36°×36° for Smooth Bike Steering

                            The FSA Headset Bearing ACB TH-372 1" 38.5mm 36°×36° offers precise steering performance and durability. Designed to fit perfectly in your bike's headset, it ensures smooth rotation and reliable handling. Crafted with high-quality materials, this bearing supports efficient load distribution and reduces friction, enhancing...
                            £13.95
                            £14.99
                            £13.95
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                          • FSA ACR cone spacer for Cannondale Systemsix 2022, an integrated cable routing accessory for bike components.FSA ACR cone spacer for Cannondale Systemsix 2022, integrated cable routing accessory, shown mounted on bike frame component.

                              FSA ACR Cone Spacer for Cannondale Systemsix 2022 | Integrated Cable Routing Accessory

                              The FSA ACR Cone Spacer is designed specifically for the Cannondale Systemsix 2022, ensuring perfect fit and performance. It supports fully integrated cable routing for a sleek, aerodynamic setup. Crafted with precision, this component enhances steering control and maintains the integrity of your bike’s...
                              £49.99
                              £49.99
                            • FSA SL-K/Pbox ABS road bike chainring 110x34T, black, 4-bolt for 2x11 speed bikes, close-up of the component.FSA SL-K/Pbox ABS road bike chainring 110x34T black with 4-bolt mount for 2x11 speed cycling components

                                FSA SL-K/Pbox ABS Road Chainring 110x34T 4-Bolt Black for 2x11 Speed Bikes - Black

                                The FSA SL-K/Pbox ABS Road Chainring combines advanced engineering with lightweight durability. Crafted from precision CNC machined AL7075/T6 aluminum, it ensures smooth and reliable shifting thanks to its shifting ramps and stainless steel pins. The black anodized finish with CNC silver accents offers both...
                                £40.92
                                £43.99
                                £40.92
                                Save £3.07
                                • Black
                              • FSA Gamma Pro Alpha 1x11 MTB drive chainring with 82x34T teeth and 4-hole bolt pattern, black metal bike component

                                  FSA Gamma Pro Alpha 1x11 MTB Drive Chainring 82x34T 4-Hole Bolt Pattern - Black

                                  The FSA Gamma Pro/Alpha Drive Chainring offers precision and durability for your MTB transmission. Crafted from stamped AL7075/T6, it ensures strength and lightweight performance. Its anodized black finish with laser-etched logo adds style and reliability. What It’s Good For Efficient shifting with ramps and...
                                  £18.60
                                  £19.99
                                  £18.60
                                  Save £1.39
                                  • Black
                                • FSA Bosch Ebike DM 38T chainring for MTB, boost 148mm G3 drivetrain component, silver metal with teeth and mounting holesFSA Bosch eBike DM 38T chainring for MTB, Boost 148mm G3 drivetrain component, shown in black with mounting holes

                                    FSA Bosch Ebike DM Chainring 38T WB429 Boost 148mm G3 MTB Drivetrain Part - Black

                                    The FSA Bosch Ebike DM Chainring (38T, WB429, Boost 148mm, G3) is engineered for durability and performance. Crafted from heat-treated stamped steel, it offers reliable strength while maintaining lightweight efficiency. Designed specifically for MTB transmissions, it ensures smooth and precise gear changes on your...
                                    £15.81
                                    £16.99
                                    £15.81
                                    Save £1.18
                                    • Black
                                  • FSA Ebike Chainset CK-320 Bosch black MTB crankset with 27.5mm spindle and 160mm crank arms, component for e-bike conversionFSA Ebike CK-320 Bosch black MTB crankset with 27.5mm spindle and 160mm crank arms, component for e-bike drivetrain system

                                    FSA Ebike Chainset CK-320 Bosch BNI 27.5mm Black 160mm MTB Crankset - Black

                                    The FSA Ebike Chainset CK-320 Bosch BNI 27.5mm Black (160mm) is designed specifically for e-mountain bikes, combining durability and performance. Crafted from die cast alloy, the crank arms offer a robust yet lightweight solution for your transmission needs. The sleek black bead blasted finish...
                                    £39.06
                                    £41.99
                                    £39.06
                                    Save £2.93
                                    • Black
                                  • Fsa Bosch G3 Ebike Chainring 104Bcd Chain RingFSA Ebike Chainring Steel (1x11, 104x38T, WB460, Black) | Swinnerton Cycles

                                      FSA Ebike Chainring Steel 1x11 MTB 104mm BCD 38T Black WB460 Durable Gear Ring - Black

                                      The FSA Ebike Chainring Steel is engineered for durability and performance, featuring heat-treated stamped steel for long-lasting strength. Designed with a 104mm BCD, it fits perfectly with 1x11 MTB transmissions. Available in multiple tooth configurations from 36T to 46T, this black chainring ensures smooth...
                                      £30.69
                                      £32.99
                                      £30.69
                                      Save £2.30
                                      • Black
                                    • FSA Bosch Gen 4 Ebike Chain Guide G4 32-42T black for e-bike drivetrain components, mounted on a black frame.

                                        FSA Bosch Gen 4 Ebike Chain Guide G4 32-42T EL357 Black for E-Bike Drivetrain

                                        The FSA Bosch Ebike Chain Guide G4 32-42T EL357 Black ensures precise chain alignment for Bosch Gen 4 systems. Its lightweight design offers reliable performance without adding bulk. Compatible with tooth capacities from 32 to 42T, this chain guide enhances transmission efficiency and durability...
                                        £15.81
                                        £16.99
                                        £15.81
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                                      • FSA PF30 press-fit bottom bracket for 24mm MegaExo road cranks, compatible with BB386 Evo components, installed in bicycle frameFSA PF30 press-fit bottom bracket for 24mm MegaExo road cranks, compatible with BB386 Evo, shown installed in bicycle frame.

                                          FSA PF30 Press-Fit Bottom Bracket for 24mm MegaExo Road Cranks, BB386 Evo Compatible

                                          The FSA PF30 BB is engineered to provide smooth and reliable performance for your 24mm MegaExo road cranks. This press-fit 30 bottom bracket fits seamlessly with carbon or alloy BB30 cranksets, featuring stainless steel cartridge bearings housed in durable nylon cups. Its design ensures...
                                          £41.85
                                          £44.99
                                          £41.85
                                          Save £3.14
                                        • FSA MegaEvo Road bottom bracket for BSA frames, compatible with 386Evo cranksets, showing the durable metal components.FSA MegaEvo Road Bottom Bracket for BSA frame, compatible with 386Evo crankset, cycling component for road bike durability

                                            FSA MegaEvo Road Bottom Bracket BSA Frame for 386Evo Crankset

                                            The FSA MegaEvo Road BB is designed to seamlessly fit a 386Evo crank into a standard BSA frame. Its black anodized aluminum cups ensure durability and a sleek look, while steel bearings provide smooth, reliable transmission performance. Lightweight at just 89g, it’s an excellent...
                                            £63.24
                                            £67.99
                                            £63.24
                                            Save £4.75
                                          • FSA BB30 Bottom Bracket Bearings Pair V15, high-quality 42mm replacement components for bike bottom brackets.FSA BB30 bottom bracket bearings pair, 42mm, high-quality replacement components for bike cranksets, shown in the image.

                                              FSA BB30 Bottom Bracket Bearings Pair V15 – High-Quality Replacement 42mm

                                              FSA BB30 Bearings (Pair, V15) offer smooth and reliable performance for your bottom bracket. Designed as high-quality replacement bearings, they ensure your bike’s transmission runs efficiently. With a precise ˜42mm size, these bearings fit seamlessly into BB30 bottom brackets, enhancing durability and ride quality....
                                              £18.60
                                              £19.99
                                              £18.60
                                              Save £1.39
                                            • Fsa No.11N Semi-Integrated HeadsetFSA No.11N 1.1/8 | Swinnerton Cycles

                                                FSA No.11N 1.1/8 Headset for 49mm OD Headtube Semi-Cartridge Bearings Durable Steering

                                                The FSA No.11N 1.1/8 headset offers reliable steering performance with a semi-cartridge bearing design. Crafted with chromoly cups and an alloy top cover, it ensures durability and smooth operation for your bike. Designed for a 49mm OD headtube and 1.1/8" steerer, it provides a...
                                                £18.60
                                                £19.99
                                                £18.60
                                                Save £1.39
                                              • Fsa Headset Bearing Acb Is-2-138 1.3/8" 48.9Mm 36°X45° Spares & AccessoriesFSA Headset Bearing ACB IS-2-138 1.3/8" 48.9mm 36°×45° | Swinnerton Cycles

                                                  FSA Headset Bearing ACB IS-2-138 1.3/8" 48.9mm 36°×45° for Smooth Steering

                                                  The FSA Headset Bearing ACB IS-2-138 offers precise steering performance with its exact dimensions and durable construction. Designed for reliable fit and smooth rotation, it ensures optimal headset function. With a 48.9mm outside diameter and 36°×45° angles, this bearing supports stable bike handling while...
                                                  £26.97
                                                  £28.99
                                                  £26.97
                                                  Save £2.02
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                                                  FSA Yamaha Steel Ebike Direct Mount Chainring SH12 1x36T for Giant E-Bikes - Black

                                                  The FSA Yamaha Steel Ebike Direct Mount Chainring SH12 1x36T Giant is engineered to deliver superior durability and performance specifically for e-bike transmissions. Constructed from robust steel, this chainring withstands the rigorous demands of electric biking, ensuring long-term reliability and consistent function. Designed to...
                                                  £32.55
                                                  £34.99
                                                  £32.55
                                                  Save £2.44
                                                  • Black
                                                • FSA V-Drive alloy bike seatpost, 400mm length, zero setback, CNC machined component for road or mountain bikes.FSA V-Drive alloy bike seatpost, 400mm length, zero setback, CNC machined component for road and mountain bikes

                                                    FSA V-Drive Alloy Seatpost 400mm Zero Setback CNC Machined Bike Seatpost - Black

                                                    The FSA V-Drive Alloy Seatpost offers a perfect blend of strength and precision with its 3D forged and CNC machined 6061 alloy construction. Designed with a Minimal Top Clamp (MTC) head and 5mm chromoly hardware, it ensures reliable performance and a sleek look with...
                                                    from £51.33
                                                    £58.99
                                                    from £51.33
                                                    Save £7.66
                                                    • Black
                                                  • FSA Super Road 110BCD 1x11 chainring for road bikes and e-bikes, showing the black component with teeth and mounting holes.FSA Super Road 110BCD 1x11 chainring for road bikes and e-bikes, showing the black aluminum component with teeth for drivetrain.

                                                    FSA Super Road 110BCD 1x11 Chainring for Road Bikes & E-Bikes - Black

                                                    The FSA Super Road 110BCD 1x11 Chainring delivers exceptional performance for road and e-bike enthusiasts. Crafted from precision CNC machined AL7075/T6 aluminum, it ensures durability and lightweight strength. Its thick-thin tooth design enhances chain engagement and retention for smooth, reliable shifting. With a sleek...
                                                    from £59.52
                                                    £63.99
                                                    from £59.52
                                                    Save £4.47
                                                    • Black
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                                                      FSA Spoke Alpina INOX Black Stainless Steel Cycling Spoke for Wheel Stability - Black

                                                      The FSA Spoke Alpina INOX Black is a premium cycling component designed for riders who demand both durability and performance. Crafted from high-grade stainless steel, this spoke offers exceptional strength and corrosion resistance, ensuring your wheels remain reliable under various conditions. The sleek black...
                                                      £3.48
                                                      £3.99
                                                      £3.48
                                                      Save £0.51
                                                      • Black
                                                    • FSA SLK ABS Road 110BCD 1x11 chainring for precise shifting, mounted on a bike crankset, showcasing durable components.FSA SLK ABS Road 110BCD 1x11 chainring for precise shifting, showcasing the black durable component with mounting holes.

                                                      FSA SLK ABS Road 110BCD 1x11 Chainring for Precise Shifting Performance - Black

                                                      The FSA SLK ABS Road 110BCD 1x11 Chainring offers precise and reliable performance for your road bike. Crafted from durable AL7075/T6 aluminum with CNC machining, it ensures strength and lightweight efficiency. Its asymmetric bolt system (ABS) perfectly fits SL-K Light ABS chainsets for seamless...
                                                      from £81.84
                                                      £87.99
                                                      from £81.84
                                                      Save £6.15
                                                      • Black
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                                                    Full Speed Ahead (FSA) produces world class bicycle components for road cycling and mountain biking and we support many of the world’s leading road and mountain bike teams.
                                                    Our history in the sport and our heritage of innovation, design and manufacturing is important to us. We’re proud to constantly invest in our product range, ensuring that we provide the very best components possible – for both professional and enthusiast riders alike.

                                                    We don’t simply sponsor world-class teams and athletes, we work extremely close with them and use their expertise and feedback to help us develop the next range of products. This, combined with our passion, commitment to innovative design, research and development and materials/manufacturing processes ensures we deliver technically superior components that provide the ultimate performance that riders demand, and all at a competitive price.

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