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 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...
      £3.72
      £3.99
      £3.72
      Save £0.27
    • FSA BB30 bearing cover in black, pair of bottom bracket protection components for FSA bike cranksets.Pair of FSA BB30 bearing covers in black for bottom bracket protection, designed for FSA bike components.

        FSA BB30 Bearing Cover Black ×2 MS223 – Bottom Bracket Protection

        Enhance your bike’s performance with the FSA BB30 Bearing Cover. This sleek black cover offers reliable protection for your bottom bracket bearings, ensuring smooth and efficient pedaling every ride. Crafted from durable materials, it provides long-lasting defense against dirt and moisture, extending the lifespan...
        £7.44
        £7.99
        £7.44
        Save £0.55
      • 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...
          £1.62
          £2.99
          £1.62
          Save £1.37
        • 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...
            £25.23
            £28.99
            £25.23
            Save £3.76
          • 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 £30.45
            £34.99
            from £30.45
            Save £4.54
            • 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...
                £26.97
                £30.99
                £26.97
                Save £4.02
              • 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 NS ACR STSP bike stem spacer for precise fit and steering control, made of durable components for bike handling.

                    FSA NS ACR STSP Base Stem Spacer for Precise Bike Stem Fit and Steering Control - Black

                    The FSA NS ACR STSP Base Stem Spacer enhances your bike's steering precision and fit. Designed for compatibility with FSA NS ACR Stems, it ensures secure assembly and smooth handling. Crafted to maintain optimal performance, this spacer is a reliable component for your cycling...
                    £6.51
                    £6.99
                    £6.51
                    Save £0.48
                    • Black
                  • FSA Pro Road 50T black anodized 2x11 speed chainring with 110 BCD and 5-hole design for bicycle components.FSA Pro Road 50T black anodized 2x11 speed chainring with 110 BCD, 5-hole mounting, and 12mm pin for cycling components.

                      FSA Pro Road Chainring 2x11 Speed 110 BCD 50T Black Anodised 5-Hole 12mm Pin - Black

                      The FSA Pro Road Chainring is crafted from precision CNC machined A7075/T6 aluminum, offering exceptional strength and durability. Its black anodised finish with CNC details and laser etched logos ensure a sleek, professional look. Designed for smooth shifting, it features ramps and stainless steel...
                      £58.29
                      £66.99
                      £58.29
                      Save £8.70
                      • 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 Modular Crank Lock Ring for secure bike crankset installation, shown close-up of component on a bicycle crankset.FSA Modular Crank Lock Ring for secure installation of bike cranksets, shown close-up of the component on a bike crankset.

                            FSA Modular Crank Lock Ring for Secure Bike Crankset Installation and Stability

                            Enhance your bike’s performance with the FSA Modular Crank Lock Ring. Designed for secure installation and durability, this black lock ring ensures your crankset stays firmly in place. Crafted from high-quality materials, it offers reliable transmission support and easy maintenance for your crank components....
                            £10.23
                            £10.99
                            £10.23
                            Save £0.76
                          • FSA Self Extracting Crank Bolt QR-31 for V-Drive Modular and FSA cranksets, showing the bolt and tool interface.

                              FSA Self Extracting Crank Bolt QR-31 for V-Drive Modular & FSA Cranksets

                              Upgrade your bike’s performance with the FSA Self Extracting Crank Bolt QR-31. Designed for easy installation and removal, it ensures a secure fit for your FSA crankset. Compatible with multiple models, this durable crank bolt is an essential spare for maintaining smooth transmission and...
                              £13.02
                              £13.99
                              £13.02
                              Save £0.97
                            • 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...
                                £39.15
                                £44.99
                                £39.15
                                Save £5.84
                              • 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...
                                  £59.16
                                  £67.99
                                  £59.16
                                  Save £8.83
                                • 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...
                                    £41.76
                                    £47.99
                                    £41.76
                                    Save £6.23
                                  • 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...
                                      £25.23
                                      £28.99
                                      £25.23
                                      Save £3.76
                                    • Placeholder image

                                      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...
                                      £30.45
                                      £34.99
                                      £30.45
                                      Save £4.54
                                      • 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...
                                        £51.33
                                        £58.99
                                        £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 £55.68
                                        £63.99
                                        from £55.68
                                        Save £8.31
                                        • Black
                                      • Placeholder image

                                          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...
                                          £3.72
                                          £3.99
                                          £3.72
                                          Save £0.27
                                          • 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 £76.56
                                          £87.99
                                          from £76.56
                                          Save £11.43
                                          • Black
                                        • Placeholder image

                                          FSA Powerbox Carbon Ring Kit for Road Bike Transmission Systems - Black

                                          The FSA Powerbox Carbon Ring Kit is engineered to elevate your road bike’s performance with its superior carbon construction. Designed for cyclists who demand both strength and lightness, this chain ring kit ensures a seamless integration with your transmission system, promoting efficient power transfer...
                                          £121.80
                                          £139.99
                                          £121.80
                                          Save £18.19
                                          • Black
                                        • FSA NS SC i30 Carbon MTB Wheelset 29"FSA NS SC i30 Carbon MTB Wheelset 29"

                                          FSA NS SC i30 Carbon 29" MTB Wheelset Clincher 12-Speed Micro Spline Compatible - Black

                                          Experience superior performance with the FSA NS SC i30 Carbon MTB Wheelset 29". Crafted with full carbon 22mm depth clincher rims, this wheelset offers lightweight strength and enhanced durability for any trail. Hand-built with precision, it ensures reliability and a perfect balance of stiffness...
                                          from £661.20
                                          £999.99
                                          from £661.20
                                          Save £338.79
                                          • Black
                                        • FSA K-Wing AGX Carbon compact drop handlebar with ACR, designed for gravel and cyclocross bikes, featuring lightweight carbon construction.FSA K-Wing AGX Carbon Compact Drop Road Handlebar with ACR for gravel and cyclocross bikes, lightweight and aerodynamic.

                                            FSA K-Wing AGX Carbon Compact Drop Road Handlebar with ACR for Gravel & Cyclocross - Carbon

                                            The FSA K-Wing AGX Carbon Compact Drop ACR Road Bar combines advanced design with superior functionality, ideal for riders tackling Adventure, Gravel, and Cyclocross terrains. Crafted from full carbon, this handlebar offers exceptional strength while maintaining a lightweight profile. Its aerodynamic integrated Cable Routing...
                                            £239.99
                                            £239.99
                                            • Carbon
                                          • FSA KFX 2 Bolt Alloy MTB stem with -20° angle and 31.8mm clamp, shown in a close-up view of the component.FSA KFX 2 Bolt Alloy MTB Stem with -20° angle, 31.8mm clamp, shown in black with multiple length options

                                              FSA KFX 2 Bolt Alloy MTB Stem -20° Angle, 31.8mm Clamp, Multiple Lengths - Black

                                              The FSA KFX 2 Bolt Alloy MTB -20° Stem is engineered for precision and durability, crafted from 3D forged and CNC machined AL6061. Designed for flat bars, its -20° angle and multiple length options (70, 80, 90mm) provide optimal control and comfort. The stem...
                                              from £52.20
                                              £99.99
                                              from £52.20
                                              Save £47.79
                                              • Black
                                            • Placeholder image

                                              FSA K-Force T.Edition Direct Mount 2x SH12 Chainring for SRAM & SMN Drivetrains - Black

                                              Upgrade your road bike with the FSA K-Force T.Edition Direct Mount 2x SH12 Chainring, designed for smooth and efficient shifting. Crafted for compatibility with SRAM and SMN drivetrains, it offers precise transmission performance. Available in multiple gear combinations, this chainring enhances your riding experience...
                                              from £399.99
                                              from £399.99
                                              • Black
                                            • FSA K-Force Road Team Powerbox Crank Arms OnlyFSA K-Force Road Team Powerbox Crank Arms Only

                                                FSA K-Force Road Team Powerbox Crank Arms Only for Road Bike Drivetrains - Black

                                                The FSA K-Force Road Team Powerbox Crank Arms are engineered to elevate your road cycling experience through precision and performance. Designed by FSA, a leader in cycling innovation, these crank arms combine exceptional stiffness with lightweight construction to maximize power transfer while minimizing fatigue....
                                                from £696.00
                                                £999.99
                                                from £696.00
                                                Save £303.99
                                                • Black
                                              • FSA Gradient Modular 392Evo 1x11/12 Direct Mount ArmsetFSA Gradient Modular 392Evo 1x11/12 Direct Mount Armset

                                                FSA Gradient Modular 392Evo 1x11/12 Speed Direct Mount Armset for MTB Drivetrains - Black

                                                The FSA Gradient Modular 392Evo 1x11/12 Direct Mount Armset is designed for serious mountain bikers seeking durability and precision in their drivetrain components. Crafted from lightweight aluminium, this armset offers exceptional strength without compromising on weight, making it ideal for demanding downhill and enduro...
                                                from £276.66
                                                £399.99
                                                from £276.66
                                                Save £123.33
                                                • 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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