Bike Cranks

Bike Cranks at Swinnerton CyclesThe connection between your legs and your drivetrain — our bike cranks collection at Swinnerton Cycles covers road, MTB, gravel, and track options from the world's leading component manufacturers. Crank arm length, material, and stiffness all affect power transfer and riding comfort — and choosing the...

Bike Cranks at Swinnerton Cycles

The connection between your legs and your drivetrain — our bike cranks collection at Swinnerton Cycles covers road, MTB, gravel, and track options from the world's leading component manufacturers. Crank arm length, material, and stiffness all affect power transfer and riding comfort — and choosing the right cranks for your body and riding style is an important part of bike fit. We stock cranks from SRAM, Ethirteen, Quarq, and other leading brands, covering aluminium and carbon options across all major bottom bracket standards. Explore Road Cranks, MTB Cranks, and Track Cranks.

Popular Bike Cranks

Road Bike Cranks

Road Bike Cranks
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Track Bike Cranks
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  • Specialites TA Vega and Carmina lockring spare parts and accessories for bike cranksets, shown on a white background.Specialites TA Vega and Carmina lockring spare parts and accessories for bicycle cranksets, shown in the image.

      Specialites TA Vega & Carmina Lockring Spare Parts & Accessories for Cranks

      Lockring designed specifically for Vega and Carmina cranks. Ensures secure fit and reliable performance. Constructed by Specialites TA, this spare part guarantees compatibility and durability for your transmission system. What It’s Good For Maintaining precise crank and spider attachment Extending the lifespan of your...
      £11.81
      £12.00
      £11.81
      Save £0.19
    • Black SKS Chainbow Bosch 3rd Gen chainguard 38T for e-bike drivetrain protection, mounted on e-bike component.SKS Chainbow Bosch 3rd Gen black chainguard for E-bike drivetrain protection, 38T component for enhanced gear shielding.

        SKS Chainbow Bosch 3rd Gen Chainguard BLACK MAX 38T for E-Bike Drivetrain Protection

        Protect your e-bike’s drivetrain with the SKS Chainbow Bosch Chainguard BLACK MAX 38T. Crafted from durable aluminium and plastic, it fully encases the chainset to prevent dirt and damage, ensuring smooth performance. Designed specifically for Bosch 3rd generation motors, this chainguard fits chainrings up...
        £26.10
        £29.99
        £26.10
        Save £3.89
      • SKS Chainblade black adjustable chain guard for hub and derailleur gears, fits 42-44T bike chains, component for cycling protectionSKS Chainblade black adjustable chain guard for hub and derailleur gears, fits 42-44T bike chains, protects and enhances drivetrain.

          SKS Chainblade Black Adjustable Chain Guard for Hub & Derailleur Gears 42-44T

          The SKS Chainblade Black is a versatile chain guard designed to protect your bike’s chain efficiently. Featuring a telescopic function adjustable up to ±125mm, it perfectly fits various rear chainstay lengths. Crafted from durable aluminium, plastic, and zinc-plated steel, it offers excellent strength with...
          £23.25
          £24.99
          £23.25
          Save £1.74
        • SKS Chainblade black adjustable chain guard for hub gears up to 38 teeth, protecting chain and gears on bicycle components.SKS Chainblade black adjustable chain guard for hub gears up to 38 teeth, designed to protect and enhance bicycle drivetrain.

            SKS Chainblade Black Adjustable Chain Guard for Hub Gears Up to 38 Teeth

            The SKS Chainblade Black is a sleek, lightweight chain guard designed specifically for hub gear systems. Its innovative telescopic feature allows easy adjustment, fitting rear chainstays with a range of ±125mm for optimal compatibility. Crafted from durable aluminium, plastic, and zinc-plated steel, it ensures...
            £23.25
            £24.99
            £23.25
            Save £1.74
          • Praxis Works SPARE M24/GXP bottom bracket full seal kit with dust covers and wave washer, showing components and seals.Praxis Works SPARE M24/GXP bottom bracket full seal kit with dust covers and wave washer for bike components.

              Praxis SPARE M24/GXP Bottom Bracket Full Seal Kit with Dust Covers & Wave Washer

              The Praxis SPARE M24/GXP BB Full Seal Kit offers durable dust covers and a wave washer to maintain optimal crank performance. Designed for all versions of the Praxis M24 bottom bracket, it ensures smooth transmission and protection from debris. What It’s Good For Extending...
              £13.00
              £13.00
            • Praxis Works carbon crank boots spare for Zayante, Lyft, Bosch, and Yamaha mountain bike cranksets, shown on a plain background.Praxis Works Carbon Crank Boots for Zayante, Lyft, Bosch, and Yamaha e-bike cranks, showing the black protective component.

                Praxis Carbon Crank Boots Spare for Zayante, Lyft, Bosch & Yamaha Models

                Protect your Praxis carbon crank arms with these durable rubber boots, designed to fit multiple models including Zayante Carbon, Gen 1 Lyft, Bosch eCrank, and Yamaha eCrank. They shield your investment from dirt and damage for longer-lasting performance. Easy to install and crafted from...
                £15.00
                £15.00
              • Praxis Works X-Ring bolts spare set with threaded Allen design for X-Spider chainrings, metal components for bike drivetrain.Praxis Works X-Ring bolts spare set with threaded Allen design for X-Spider chainrings, showing close-up of bolts and packaging.

                  Praxis X-Ring Bolts Spare Set for X-Spider Chainrings with Threaded Allen Design

                  Praxis X-Ring Bolts are precision-engineered aluminum fasteners designed specifically for the Praxis X-Spider. Their threaded Allen design ensures a secure fit, torque up to 10Nm for reliable performance. What It’s Good For Securing Praxis X-Ring chainrings firmly to the X-Spider Providing durable and lightweight...
                  £25.00
                  £25.00
                • Praxis Works Direct Mount Spider 110 BCD spare part for crankset upgrade, showing the black metal component with bolt holes.Praxis Works Direct Mount Spider 110 BCD crankset component for bicycle upgrade, showing the black metal spider with mounting holes.

                    Praxis Direct Mount Spider 110 BCD Spare Part for Crankset Upgrade

                    Upgrade your drivetrain with the Praxis Direct Mount Spider 110 BCD. Designed for durability and precision, this spare component ensures seamless compatibility with your Praxis crankset. Crafted to maintain optimal performance, it offers a reliable solution for repairs or upgrades. What It’s Good For...
                    £55.00
                    £55.00
                  • Praxis Works SPARE 3028 M30 ceramic bearing service kit with snap ring for M30 bottom bracket, showcasing the components and tools.Praxis Works SPARE 3028 M30 ceramic bearing service kit with snap ring for M30 bottom bracket components.

                      Praxis SPARE 3028 M30 Ceramic Bearing Service Kit with Snap Ring for M30 Bottom Bracket

                      Upgrade your bike’s performance with the Praxis SPARE - 3028 M30 Bearing Service Kit. Featuring high-quality ceramic bearings, this kit ensures smooth, efficient rotation and long-lasting durability. Included is a snap ring for secure assembly. Designed specifically for the M30 bottom bracket, this kit...
                      £100.00
                      £100.00
                    • Praxis Works SPARE 3028 M30 Bearing Service Kit for drivetrain maintenance, featuring various bearing components and tools.Praxis Works SPARE 3028 M30 bearing service kit for drivetrain maintenance, including components for bearing replacement.

                        Praxis SPARE 3028 M30 Bearing Service Kit for Drivetrain Maintenance

                        The Praxis - SPARE - 3028 M30 Bearing Service Kit offers essential components to maintain and extend the life of your drivetrain. It includes 2 high-quality steel bearings and a durable snap ring, ensuring smooth operation and reliable performance. Designed specifically for the M30...
                        £28.00
                        £28.00
                      • Miche Primato single chainring bolt and spare bike components, close-up view of replacement accessories for bike maintenance.Miche Primato single chainring bolt and spare accessories for bike components, shown in a close-up image.

                          Miche Primato Single Chainring Bolt Replacement & Spare Accessories for Bikes

                          Upgrade your bike with the Miche Primato single chainring bolt, designed for durability and precision. Perfectly crafted to fit your crankset, it ensures reliable performance on every ride. Made from high-quality materials, this replacement bolt guarantees a secure hold and smooth transmission. Keep your...
                          £2.70
                          £3.00
                          £2.70
                          Save £0.30
                        • Shimano STEPS CD-EM800 front chain device for 34T/36T drive unit mount, bicycle component for motorized e-bikes.Shimano STEPS CD-EM800 front chain device for 34T/36T drive unit mount, bicycle components for e-bike drivetrain.

                            Shimano STEPS CD-EM800 Front Chain Device for 34T/36T Drive Unit Mount

                            The Shimano STEPS CD-EM800 front chain device is designed to enhance your e-bike's performance by preventing chain drops and ensuring smooth operation. Compatible with 34T and 36T chainrings, it mounts directly on the drive unit for a secure fit. Its open mud shedding design...
                            £51.85
                            £54.99
                            £51.85
                            Save £3.14
                          • Hope Crankset Spider Tab Cover Spares & AccesoriesHope Crankset Spider Tab Cover Spares & Accesories | Swinnerton Cycles

                              Hope Crankset Spider Tab Cover Replacement Spare & Bike Accessory

                              Enhance your bike's performance with the Hope Crankset Spider Tab Cover. Designed to protect and extend the life of your crankset, this cover ensures durability and a sleek finish. Crafted from high-quality materials, it fits perfectly and provides reliable protection against dirt and wear...
                              £2.85
                              £2.85
                            • Hope Crankset Tapered Shaft Plug Spares & AccesoriesHope Crankset Tapered Shaft Plug Spares & Accesories | Swinnerton Cycles

                                Hope Crankset Tapered Shaft Plug Spares & Accessories for Bike Maintenance

                                Upgrade your bike with the Hope Crankset Tapered Shaft Plug Spares & Accessories. Designed for durability and precision, these components ensure smooth and reliable crank performance. Perfect for maintaining or enhancing your crankset’s efficiency. Crafted by Hope, a trusted brand in cycling components, these...
                                £11.75
                                £11.75
                              • Hope crankset shaft end cap for bike components, replacement part for bike maintenance and upgrades.Hope bike crankset shaft end cap, a metal component for bike maintenance and upgrades, shown in close-up detail.

                                  Hope Crankset Shaft End Cap Spare Part for Bike Maintenance & Upgrades - Smoke

                                  Upgrade your bike with the Hope Crankset Shaft End Cap. Crafted for durability and precision, it ensures smooth crank performance and extends the life of your crankset. Perfect for maintenance or upgrades, this essential spare part keeps your ride reliable. What It’s Good For...
                                  £11.50
                                  £11.50
                                  • Smoke
                                • Hope Crankset M36 Lockring Shim Spares & AccesoriesHope Crankset M36 Lockring Shim Spares & Accesories | Swinnerton Cycles

                                    Hope Crankset M36 Lockring Shim Spare & Accessory for Secure Cycling Performance

                                    Upgrade your bike with the Hope Crankset M36 Lockring Shim. Designed for seamless compatibility and durability, this spare ensures your crankset stays secure and performs optimally. Crafted by Hope, a trusted name in cycling components, it offers reliable support for smooth pedaling. Easy to...
                                    £1.05
                                    £1.05
                                  • Hope Crankset M36 Lockring Spares & AccesoriesHope Crankset M36 Lockring Spares & Accesories | Swinnerton Cycles

                                      Hope Crankset M36 Lockring Spare Part & Cycling Accessory for Secure Fit

                                      Upgrade your bike with the Hope Crankset M36 Lockring, designed for durability and precision. This essential spare part ensures your crankset stays secure and performs at its best. Crafted by Hope, a trusted brand in cycling components, it offers reliable compatibility and easy installation....
                                      £6.60
                                      £6.60
                                    • Hope Crankset Chain Adjustment Shim Spares & AccesoriesHope Crankset Chain Adjustment Shim Spares & Accesories | Swinnerton Cycles

                                        Hope Crankset Chain Adjustment Shim Spare Parts & Accessories for Smooth Alignment

                                        Optimize your crankset performance with the Hope Crankset Chain Adjustment Shim. Designed for precise fitment, this shim ensures smooth chain alignment and reduces wear. Crafted by Hope, a trusted brand in components, this shim enhances crankset durability and efficiency for all riders. What It’s...
                                        £1.60
                                        £1.60
                                      • Hamax left footrest for Smiley and Siesta child bike seats, replacement component showing the footrest with mounting hardware.Hamax left footrest replacement component for Smiley and Siesta child bike seats, made for secure, comfortable riding.

                                          Hamax Left Footrest for Smiley & Siesta Child Bike Seats – Replacement Part

                                          Upgrade your Hamax Smiley or Siesta child bike seat with this durable left footrest designed for comfort and safety. Crafted to fit perfectly, it supports your child’s feet securely during rides, enhancing stability and reducing fatigue. Easy to install and built with quality materials,...
                                          £7.49
                                          £7.49
                                        • FSA Yamaha Ebike Spider for PW-X 1X/2X crankset, bicycle component spare part with black finish and gear mounting points.FSA Yamaha Ebike spider for PW-X crankset, bike component spare part, durable black metal with bolt holes for installation

                                          FSA Yamaha Ebike Spider for PW-X 1X/2X Crankset Spares & Accessories - Black

                                          Upgrade your Yamaha eBike with the FSA Spider designed for PW-X 1X/2X setups. Crafted from durable forged AL6061, it ensures reliable performance and longevity. Its precise chain line options enhance smooth gear shifts for both 1x and 2x configurations. What It’s Good For Optimizing...
                                          £33.93
                                          £38.99
                                          £33.93
                                          Save £5.06
                                          • Black
                                        • FSA Chainring Bolt Kit for Ebike single ring, four bolts, securing FSA crank components on bicycle.FSA chainring bolt kit for e-bike single ring, includes four durable bolts for secure fit on FSA cranksets.

                                            FSA Chainring Bolt Kit for Ebike Single Ring x4 – Secure Fit for FSA Cranks

                                            Upgrade your e-bike with the FSA Chainring Bolt Kit, designed for single ring setups. These bolts ensure a secure and reliable connection, enhancing your bike's transmission performance. Crafted for durability, this kit includes four high-quality bolts compatible with FSA cranks. Easy to install, they...
                                            £11.16
                                            £11.99
                                            £11.16
                                            Save £0.83
                                          • FSA Super Compact Front Derailleur Adapter EL344 for 48/32 and 46/30 chainrings on bike components.FSA Super Compact front derailleur adapter EL344 for 48/32 and 46/30 chainrings, bicycle components, close-up view

                                              FSA Super Compact Front Derailleur Adapter EL344 for 48/32 & 46/30 Chainrings

                                              The FSA Super Compact Front Mech Adapter EL344 optimizes your front derailleur’s cage height for precise, smooth shifting. Designed for 48/32 and 46/30 chainrings, it ensures perfect alignment and improved drivetrain performance. Durable and easy to install, this adapter is essential for riders seeking...
                                              £29.58
                                              £33.99
                                              £29.58
                                              Save £4.41
                                            • FSA Fazua lock ring for e-bike crank arm fastening, compatible with Fazua systems, shown on a bicycle component.FSA Fazua lock ring for e-bike crank arm fastening, compatible with Fazua systems, shown on a bicycle component.

                                                FSA Fazua Lock Ring for E-Bike Crank Arm Fastening Compatible with Fazua Systems

                                                Enhance your e-bike's performance with the FSA Fazua Lock Ring. Crafted for durability, it ensures secure crank installation and smooth transmission. What It’s Good For Reliable crank arm fastening Compatible with Fazua e-bike systems Durable silver finish resists wear What It’s NOT Good For...
                                                £8.37
                                                £8.99
                                                £8.37
                                                Save £0.62
                                              • FSA MegaExo Modular Left Crank Arm Bolt for bike crank assembly, durable component for FSA bike cranksets.

                                                  FSA MegaExo Modular Left Crank Arm Bolt ML040 – Durable Bike Crank Bolt

                                                  Upgrade your bike with the FSA Crank Bolt MegaExo Modular Left Arm (ML040). Designed for durability and precise fit, this bolt ensures your crank arm stays securely attached for smooth and efficient pedaling. Easy to install and crafted from high-quality materials, it’s an essential...
                                                  £13.02
                                                  £13.99
                                                  £13.02
                                                  Save £0.97
                                                • FSA Steel M8 self-extracting crank bolts for JIS square taper bottom brackets, components for bike cranksets.FSA Steel M8 Self-Extracting Crank Bolts for JIS Square Taper Bottom Brackets, shown in a close-up image of the component.

                                                    FSA Self-Extracting Crank Bolts M8 Steel for JIS Square Taper Bottom Brackets

                                                    Reliable FSA self-extracting crank bolts designed for square taper (JIS) bottom brackets. Crafted from durable steel with an M8 thread, these bolts ensure secure crank attachment and easy removal. Engineered to fit FSA cranksets perfectly, they offer hassle-free maintenance and long-lasting performance for your...
                                                    £11.16
                                                    £11.99
                                                    £11.16
                                                    Save £0.83
                                                  • FSA BB30 Crank Bolt QR-9B 25mm for BB30 cranksets, showing the silver replacement component on a white background.FSA BB30 crank bolt QR-9B 25mm for bike components, showing a durable replacement bolt with threading and bolt head.

                                                      FSA BB30 Crank Bolt QR-9B 25mm – Durable Replacement for BB30 Cranksets

                                                      Upgrade your bike with the FSA BB30 Crank Bolt QR-9B. This 25mm bolt ensures a secure fit for your BB30 cranks, enhancing performance and reliability. Crafted by FSA, it guarantees durability and precision for smooth rides. What It’s Good For Securing BB30 cranksets firmly...
                                                      £10.23
                                                      £10.99
                                                      £10.23
                                                      Save £0.76
                                                    • FSA Crank Bolt QR-32 and QR-27 replacement for Maxon e-bike cranks, secure fit, metal component for bike drivetrain.

                                                        FSA Crank Bolt QR-32 & QR-27 Replacement for Maxon Ebike Cranks Secure Fit

                                                        Durable replacement crank bolt designed for FSA Maxon Ebike cranks. Ensures secure fit and reliable performance for your drivetrain. What It’s Good For Maintaining optimal crankset stability Easy installation and replacement Compatible specifically with FSA Maxon Ebike cranks What It’s NOT Good For Not...
                                                        £8.37
                                                        £8.99
                                                        £8.37
                                                        Save £0.62
                                                      • FSA MegaExo Modular Left Crank Bolt ML038 for M17 crank systems, shown in close-up with metal threads and black exterior.FSA MegaExo Modular Left Crank Bolt ML038 for M17 crank systems, shown in close-up with metallic finish and threading details.

                                                          FSA MegaExo Modular Left Crank Bolt ML038 for M17 Crank Systems Replacement

                                                          The FSA Crank Bolt MegaExo Modular Left Arm (ML038) offers a reliable replacement designed specifically for the left side of your FSA modular crank system. Crafted with precision, it ensures a secure fit and maintains optimal performance for your bike’s transmission. Built to exact...
                                                          £11.16
                                                          £11.99
                                                          £11.16
                                                          Save £0.83
                                                        • FSA MegaExo M12 crank bolt for V-Drv, Gos, Gravity, Moto X, and A.burner cranksets, close-up of the component.FSA MegaExo Crank Bolt M12 for V-Drive, GOS, Gravity, Moto X, and A.Burner cranks, shown on a bicycle component.

                                                          FSA MegaExo Crank Bolt M12 for V-Drv, Gos, Gravity, Moto X, A.burner Cranks - Black

                                                          The FSA MegaExo Crank Bolt is the perfect replacement for your MegaExo Cranks, ensuring secure and reliable performance. Crafted from durable alloy, this M12 bolt offers long-lasting strength and precision fit. What It’s Good For Replacing worn or damaged crank bolts on MegaExo Cranks...
                                                          £4.65
                                                          £4.99
                                                          £4.65
                                                          Save £0.34
                                                          • Black
                                                        • Pair of FSA Steel Crank Bolts for ISIS Splined Bike Cranksets, durable metal fasteners for bicycle crank assembly.Pair of FSA Steel Crank Bolts for ISIS splined cranksets, durable bike components fastening hardware.

                                                            FSA Steel Crank Bolts Pair for ISIS Splined Cranksets – Durable Bike Fastening

                                                            FSA Crank Bolts offer a durable and precise fit for ISIS splined cranksets. Made from high-quality steel, they ensure reliable performance and longevity. These bolts are essential for maintaining the integrity of your bike’s transmission system. What It’s Good For Securing ISIS splined crank...
                                                            £11.16
                                                            £11.99
                                                            £11.16
                                                            Save £0.83
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