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 Gamma Pro Alpha 1x11 MTB drive chainring in black with 82x32T teeth and 4-bolt V21 design for mountain biking components

      FSA Gamma Pro Alpha 1x11 MTB Drive Chainring 82x32T 4-Bolt V21 Anodized Black - Black

      The FSA Gamma Pro/Alpha Drive Chainring is designed for precise shifting and durability. Crafted from stamped AL7075/T6 aluminum, it ensures lightweight strength and reliable performance on every ride. Featuring shifting ramps and stainless steel pins on the outer rings, it delivers smooth gear transitions...
      £17.16
      £19.99
      £17.16
      Save £2.83
      • Black
    • FSA Comet Direct Mount MTB 30T Narrow-Wide Chainring for 1x12 Shimano drivetrain, shown mounted on bike crankset.

        FSA Comet Direct Mount MTB Chainring 30T Narrow-Wide for 1x12 Shimano Drivetrains - Black

        The FSA Comet Direct Mount MTB Chainring is designed for 1x12 drivetrains, featuring a precise 30T narrow-wide tooth profile. It ensures optimal chain retention and smooth shifting, perfect for Shimano 12-speed systems. Crafted for durability and performance, this chainring enhances your mountain bike's transmission...
        £24.02
        £27.99
        £24.02
        Save £3.97
        • Black
      • FSA SL-K Modular MTB chainring for 2x11 speed, 96x38T, CNC machined aluminum with 4-hole mounting system.FSA SL-K Modular MTB chainring for 2x11 speed bikes, 96x38T, CNC machined aluminum with 4-hole mounting.

          FSA SL-K Modular MTB Chainring ABS 2x11 Speed 96x38T 4-Hole CNC Machined - Black

          The FSA SL-K Modular MTB Chainring ABS is engineered for serious mountain bikers seeking reliable and efficient transmission components. Crafted from precision CNC machined AL7075/T6 aluminum, this chainring offers exceptional durability and lightweight performance. Its long tooth profile and thick-think tooth design ensure superior...
          £67.99
          £67.99
          • Black
        • FSA Ebike steel 36T 1x12 narrow-wide chainring for MTB with 104 BCD, bicycle drivetrain component.

            FSA Ebike Steel Chainring 1x12 Narrow-Wide 104 BCD 36T MTB Drivetrain - Black

            The FSA Ebike Steel Chainring delivers reliable performance for your MTB transmission. Crafted with a Steel Megatooth Narrow-Wide profile, it ensures secure chain retention and smooth shifting. Compatible with Shimano 12-speed chains, it fits 104mm BCD setups perfectly. Available in various sizes from 34T...
            £28.31
            £32.99
            £28.31
            Save £4.68
            • Black
          • FSA Gamma Pro/Alpha 1x11 MTB drive chainring in anodized black with 82x28T teeth and 4-hole mounting designFSA Gamma Pro/Alpha 1x11 MTB drive chainring 82x28T with 4-hole V18 anodized black finish, bike components for mountain biking

              FSA Gamma Pro/Alpha 1x11 MTB Drive Chainring 82x28T 4-Hole V18 Anodized Black - Black

              Enhance your MTB's transmission with the FSA Gamma Pro/Alpha Drive Chainring, crafted from durable stamped AL7075/T6 aluminum. Its anodized black finish and laser-etched logo ensure both style and longevity. Designed with shifting ramps and stainless steel pins on the outer rings, this 1x11 chainring...
              £17.16
              £19.99
              £17.16
              Save £2.83
              • Black
            • FSA Afterburner Mod MTB 2x11-speed chainring 96x38T black with 4-hole ISIS drive, compatible with mountain bike components.

              FSA Afterburner Mod MTB Chainring 2x11-Speed 96x38T Black 4-Hole ISIS Drive Compatible - Black

              The FSA Afterburner Mod MTB Chainring is engineered to elevate your mountain biking experience with precision and durability. Crafted from die-cast alloy, this chainring offers a robust construction that withstands the rigors of off-road trails. Its sleek, bead blasted black finish not only provides...
              £38.61
              £44.99
              £38.61
              Save £6.38
              • Black
            • 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...
                £28.31
                £32.99
                £28.31
                Save £4.68
              • Fsa Pedal Washers Stainless Flat PedalFSA Pedal Washers Stainless (×2) | Swinnerton Cycles

                  FSA Stainless Pedal Washers (×2) for Carbon Alloy Crank Arm Protection

                  FSA Pedal Washers Stainless (×2) provide reliable protection for your carbon alloy crank arms. These washers prevent galling and scratches caused by steel pedal threads, ensuring long-lasting durability. Designed specifically to fit FSA cranks, they offer a seamless and secure fit that maintains the...
                  £3.43
                  £3.99
                  £3.43
                  Save £0.56
                • 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 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...
                        £14.59
                        £16.99
                        £14.59
                        Save £2.40
                      • 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...
                          £41.18
                          £47.99
                          £41.18
                          Save £6.81
                        • 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...
                            £56.63
                            £65.99
                            £56.63
                            Save £9.36
                          • 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...
                              £35.18
                              £40.99
                              £35.18
                              Save £5.81
                              • 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...
                                £3.43
                                £3.99
                                £3.43
                                Save £0.56
                              • 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...
                                  £1.49
                                  £2.99
                                  £1.49
                                  Save £1.50
                                • 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...
                                    £24.88
                                    £28.99
                                    £24.88
                                    Save £4.11
                                  • 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 £30.03
                                    £34.99
                                    from £30.03
                                    Save £4.96
                                    • 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
                                    • Placeholder image

                                        FSA ACR Cone Spacer for Colnago C68 & V4RS 2023 with Integrated Cable Routing

                                        The FSA ACR Cone Spacer is designed specifically for Colnago C68 and V4RS 2023 models, ensuring perfect compatibility. It features fully integrated cable routing, enhancing steering performance and maintaining a clean setup. Crafted with precision, this component offers durability and reliability for your bike’s...
                                        £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...
                                          £26.60
                                          £30.99
                                          £26.60
                                          Save £4.39
                                        • 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...
                                            £12.87
                                            £14.99
                                            £12.87
                                            Save £2.12
                                          • 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 Bosch G3 BNI E-bike crankset with Bosch spindle interface, black aluminum crank arms and chainring for e-bike components.FSA Bosch G3 BNI E-Bike crankset with Bosch spindle interface, black component for e-bike drivetrain.

                                                FSA Bosch G3 BNI E-Bike Chainset CK-602 Crankset with Bosch Spindle Interface - Black

                                                The FSA Bosch G3 BNI E-Bike Chainset CK-602 is expertly crafted for seamless integration with Bosch G3 motors, ensuring optimal performance and durability. Made from forged AL6061/T6 aluminum, this crankset combines strength with lightweight design, weighing just 444g. Its bead blasted anodized black finish...
                                                from £47.85
                                                £54.99
                                                from £47.85
                                                Save £7.14
                                                • Black
                                              • FSA Bosch G3/4 ebike 12-speed steel chainring with V-shape and 4-hole mount, compatible with Shimano 12-speed components.FSA Bosch G3/4 ebike steel 1x12 chainring with V-shape and 4-hole design, compatible with Shimano 12-speed drivetrain.

                                                FSA Bosch G3/4 Ebike 1x12 Steel Chainring V-Shape 4-Hole Shimano 12-Speed Compatible - Black

                                                The FSA Bosch G3/4 Ebike 1x12 Steel Chainring V-Shape offers precise chain engagement with its Narrow-Wide (Megatooth) tooth profile, ensuring smooth and reliable shifting. Designed specifically for V-Shape spiders, it provides excellent durability for your e-bike drivetrain. Compatible only with Shimano 12 speed chains,...
                                                £27.84
                                                £31.99
                                                £27.84
                                                Save £4.15
                                                • Black
                                              • FSA T47 76.75mm road bottom bracket for T47 frames and 24mm Shimano cranks, showing the black metal component for bicycle drivetrain.FSA T47 76.75mm road bottom bracket for T47 frames and 24mm Shimano cranks, shown installed in a bicycle frame.

                                                FSA T47 76.75mm Road Bottom Bracket for T47 Frame & 24mm Shimano Cranks BBRIGHT - Green

                                                Upgrade your bike with the FSA T47 76.75mm Road BB, designed specifically for T47 frames and 24mm Shimano road cranks. Its self-adjusting wave washer ensures a flawless fit by eliminating side-to-side play, enhancing stability and ride quality. Featuring high-quality sealed cartridge bearings, this bottom...
                                                £39.47
                                                £45.99
                                                £39.47
                                                Save £6.52
                                                • Green
                                              • FSA Bosch G3 Lock Ring ML588 for e-bike transmission, black or silver, close-up of component used in bike drive systemsFSA Bosch G3 Lock Ring ML588 for E-Bike transmission, black or silver, close-up of component showing metal finish and locking mechanism.

                                                  FSA Bosch G3 Lock Ring ML588 for E-Bike Transmission Black or Silver

                                                  The FSA Bosch G3 Lock Ring ML588, offered in sleek black or silver, is a vital component engineered to optimize your e-bike’s transmission system. Crafted by FSA, a leader in cycling technology, this lock ring ensures a secure and steadfast connection between the chain...
                                                  £7.99
                                                  £7.99
                                                • 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...
                                                    £37.75
                                                    £43.99
                                                    £37.75
                                                    Save £6.24
                                                    • 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...
                                                      £57.49
                                                      £66.99
                                                      £57.49
                                                      Save £9.50
                                                      • 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...
                                                        £17.16
                                                        £19.99
                                                        £17.16
                                                        Save £2.83
                                                        • 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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