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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  • Race Face CINCH power meter antenna cap replacement component for bike power meters, durable and easy to install.Race Face CINCH Power Meter replacement antenna cap, a spare component for bike power meters, shown in the image.

      Race Face CINCH Power Meter Replacement Antenna Cap Spare Accessory - Clear

      Upgrade your Race Face CINCH Power Meter with this original replacement antenna cap. Designed to fit perfectly, it ensures reliable signal transmission for accurate power data. What It’s Good For Maintaining optimal power meter performance Protecting internal components from dust and moisture Easy installation...
      from £4.94
      from £4.94
      • Black
      • Clear
    • Praxis Works spare O-Ring for Shimano Hollowtech II bottom bracket converter, BB30 PF30 OSBB component.Praxis Works spare O-ring for Shimano Hollowtech II bottom bracket converter BB30 PF30 OSBB, close-up view of the black rubber seal.

        Praxis Spare O-Ring for Shimano Hollowtech II Bottom Bracket Converter BB30 PF30 OSBB

        The Praxis - SPARE - Conv BB O-Ring is a precision-engineered component designed to enhance the performance and reliability of your bottom bracket assembly. Crafted by Praxis Works, this o-ring is an essential spare part that ensures a secure and adaptable fit within Shimano...
        £3.50
        £3.50
      • Praxis Works SPARE Crank Boots for Gen 2 GIRDER Carbon and SBC Carb SL/M30 cranksets, protective bicycle component accessories.Praxis Works SPARE Crank Boots for Gen 2 GIRDER Carbon and SBC Carb SL/M30 cranksets, protective component for bike cranks.

          Praxis SPARE Crank Boots for Gen 2 GIRDER Carbon & SBC Carb SL/M30 Cranks

          Protect your Praxis carbon cranks with the SPARE Crank Boots designed for Gen 2 GIRDER Carbon and SBC Carb SL/M30. These durable boots shield your cranks from wear and damage, extending their lifespan and maintaining performance. What It’s Good For Protecting carbon cranks from...
          £15.00
          £15.00
        • Praxis Works eCrank Set EC-SBC alloy 160mm for Specialized Levo, Kenevo, Vado, and Como e-bikes, bike components.

            Praxis eCrank Set EC-SBC Alloy 160mm for Specialized Levo Kenevo Vado Como E-Bikes

            The Praxis eCrank Set EC-SBC, designed in collaboration with Specialized, offers a premium upgrade for your Specialized e-bike. Crafted from cold-forged alloy, these 160mm crank arms replace the stock aluminum ones, delivering enhanced durability and reduced weight for improved performance. Compatible with Levo, Kenevo,...
            £95.00
            £95.00
          • 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
            • Cane Creek eeWings Crank Spider 2x Sub Compact 110 BCD black for road and gravel bike componentsCane Creek eeWings crank spider 2x sub-compact 110 BCD black for road and gravel bike components, shown on a white background.

                Cane Creek eeWings Crank Spider 2x Sub Compact 110 BCD Black for Road & Gravel

                The Cane Creek eeWings Crank Spider - 2x Sub Compact Black is engineered to enhance your ride with precision and versatility. Designed specifically for 110 BCD chainrings, this crank spider perfectly complements Cane Creek’s eeWings cranks, offering a seamless integration that expands your gearing...
                £54.99
                £54.99
              • Truvativ Bottom Bracket Bearing Adjuster for BB30 and Pressfit 30 cycling components, close-up of metal tool part.Truvativ Bottom Bracket Bearing Adjuster for BB30 Pressfit 30 bicycle component system, shown in the image.

                  Truvativ Bottom Bracket Bearing Adjuster for BB30 Pressfit 30 Systems

                  Optimize your bike's performance with the Truvativ Bottom Bracket Bearing Adjuster BB30 Pressfit 30. Designed for precise bearing alignment, it ensures smooth crank rotation and extends component life. Easy to install and reliable, it's an essential tool for maintaining your drivetrain’s efficiency. Crafted for...
                  £5.75
                  £7.00
                  £5.75
                  Save £1.25
                • ID stainless steel M8 crank bolts with dust cover for Shimano cranksets, spare components and accessories.ID Stainless Steel M8 Crank Bolts with dust cover for Shimano cranksets, designed for bike component replacement and accessories.

                    ID Stainless Steel Crank Bolts M8 Thread for Shimano Cranksets with Dust Cover Spares & Accessories

                    Upgrade your bike's durability with the ID Stainless Steel Crank Bolts, designed to resist corrosion and maintain a sleek appearance. Crafted from high-quality stainless steel, these bolts ensure your crank remains secure and rust-free, even in challenging conditions. Featuring an 8mm hex key design...
                    £5.99
                    £5.99
                  • Shimano FC-M582 crank arm fixing bolt, genuine replacement bike component, with threaded metal bolt for secure attachment.Shimano FC-M582 crank arm fixing bolt for bike components, genuine replacement part in silver finish.

                      Shimano FC-M582 Crank Arm Fixing Bolt Genuine Replacement Bike Part

                      The Shimano Spares FC-M582 crank arm fixing bolt ensures secure attachment of your crank arm, maintaining reliable bike performance. This genuine Shimano component guarantees perfect fit and durability for your transmission system. What It’s Good For Reliable crank arm attachment Genuine Shimano quality and...
                      £2.99
                      £2.99
                    • Shimano Altus FC-M315 36/22 MTB crankset with 170mm black chainset for 7/8-speed bikes, without chainguard.Shimano Altus FC-M315 36/22 MTB crankset with 170mm black chainset for 7/8-speed bikes, without chainguard.

                        Shimano Altus FC-M315 36/22 Chainset 7/8-Speed MTB Crankset 170mm Black Without Chainguard

                        The Shimano Altus FC-M315 chainset is designed for riders seeking reliable performance on their mountain bikes. Featuring a 36/22 double chainring setup, it offers smooth and precise shifting thanks to Hyperdrive SG-X technology. Compatible with 7/8-speed systems, it ensures consistent power transfer and durability...
                        £39.86
                        £49.99
                        £39.86
                        Save £10.13
                      • Sunrace FCM914 triple crankset for MTB with 3x9-speed gearing and square taper bottom bracket, shown with chainrings and crank arms.Sunrace FCM914 triple crankset for MTB with 3x9-speed chainrings and square taper bottom bracket compatibility, shown on bike component.

                          Sunrace FCM914 Triple Crankset 3x9-Speed MTB Square Taper Bottom Bracket Compatible

                          The Sunrace Fcm914 Triple Cranks offer a durable and reliable solution for MTB riders seeking smooth transmission performance. Featuring a forged alloy crank and alloy outer chainring, this 3 x 9-speed chainset ensures efficient pedaling and long-lasting use. Designed for compatibility with square tapered...
                          £50.53
                          £69.99
                          £50.53
                          Save £19.46
                        • SunRace FCM500 triple crankset with 42-34-24T chainrings for 3x8/7-speed mountain bike drivetrain, showing crank arms and chainrings.SunRace FCM500 triple crankset with 42-34-24T chainrings for 3x8/7-speed mountain bike drivetrain components

                            Sunrace FCM500 Triple Crankset 42-34-24T for 3x8/7-Speed MTB Drivetrains

                            Experience smooth and reliable shifting with the Sunrace Fcm500 Triple Cranks. Crafted from forged alloy, these MTB cranks combine lightweight durability with steel chainrings for lasting performance. Designed for 3 x 8/7-speed setups, they feature a versatile 42-34-24T gear range to tackle varied terrain....
                            £30.45
                            £34.99
                            £30.45
                            Save £4.54
                          • SunRace Crank Bolts

                            SunRace Crank Bolts Replacement for Secure and Durable Crankset Fastening - Silver/Black

                            SunRace Crank Bolts offer reliable replacement options to keep your cranks securely fastened. Crafted for durability and precision, these bolts ensure smooth and stable transmission performance. Ideal for maintaining or upgrading your SunRace crankset with genuine components. What It’s Good For Replacing worn or...
                            £2.99
                            £2.99
                            • Silver/Black
                          • SunRace Crank Bolts

                            SunRace Crank Bolts Replacement for Secure and Durable Crankset Fastening - Black

                            SunRace Crank Bolts offer reliable replacements designed specifically for SunRace cranksets. Crafted for durability and precision, these bolts ensure your crank remains securely fastened and performs optimally. Ideal for maintenance and repairs, these components are essential spares for keeping your transmission smooth and efficient....
                            £1.49
                            £1.49
                            • Black
                          • SunRace Crank Bolts

                            SunRace Crank Bolts Replacement for Secure Fit and Durable Bike Crankset Performance - Silver/Black

                            SunRace Crank Bolts offer reliable replacement options for your crankset, ensuring a secure fit and smooth performance. Crafted for durability, these bolts maintain your bike’s transmission efficiency and extend component lifespan. Ideal for upgrading or repairing your SunRace cranks with confidence. What It’s Good...
                            £8.99
                            £8.99
                            • Silver/Black
                          • SunRace Crank Bolts

                            SunRace Crank Bolts Replacement for Secure and Durable Bike Crankset Installation - Silver/Black

                            SunRace Crank Bolts offer reliable replacement options for your bike's crankset. Designed to fit SunRace cranks perfectly, these bolts ensure secure and stable crank installation, enhancing your bike’s performance and safety. Crafted with durability in mind, these crank bolts resist wear and tear, providing...
                            £7.99
                            £7.99
                            • Silver/Black
                          • SunRace CAT40 Left Hand Crank

                            SunRace CAT40 Left Hand Crank Arm Replacement for Bike Drivetrain - Black

                            Upgrade your bike with the SunRace CAT40 Left Hand Crank, designed for durability and smooth performance. This reliable component ensures a perfect fit for your transmission system, enhancing your ride quality. Ideal for those seeking a dependable crank arm replacement that maintains optimal power...
                            £15.81
                            £16.99
                            £15.81
                            Save £1.18
                            • Black
                          • SunRace CAT20 Left Hand CrankSunRace CAT20 Left Hand Crank

                            SunRace CAT20 Left Hand Bike Crank Arm Replacement Component - Black

                            The SunRace CAT20 Left Hand Crank offers durable performance for your bike's transmission. Crafted to provide reliable power transfer, it ensures smooth pedaling and efficient riding. This component is a perfect fit for upgrading or replacing your existing crank arm. What It’s Good For...
                            from £13.02
                            £14.99
                            from £13.02
                            Save £1.97
                            • Black
                            • Silver
                          • SunRace CAM500 Left Hand Crank

                            SunRace CAM500 Left Hand Crank for Square Taper Bottom Brackets Bike Crankset - Black

                            The SunRace CAM500 Left Hand Crank offers durable alloy construction and a precise 'Diamond' orientation for smooth pedaling. Available in 170 or 175mm lengths, it fits perfectly into your bike's transmission system. A reliable spare or upgrade for your crankset. What It’s Good For...
                            £10.04
                            £11.99
                            £10.04
                            Save £1.95
                            • Black
                          • Shimano Deore FC-M6200 12-Speed MTB Chainset with 55mm Chainline CranksetShimano Deore FC-M6200 12-Speed MTB Chainset with 55mm Chainline Crankset

                            Shimano Deore FC-M6200 12-Speed MTB Chainset with 55mm Chainline Crankset - Black

                            The Shimano Deore FC-M6200 chainset is engineered for mountain biking enthusiasts seeking reliable performance and smooth shifting. Designed with a 12-speed compatibility and a 55 mm chainline, this crankset ensures precise gear transitions and optimal power transfer on diverse terrains. Built to withstand rigorous...
                            £94.31
                            £99.99
                            £94.31
                            Save £5.68
                            • Black
                          • Cane Creek eeWings 8-bolt crank spider for Shimano Ultegra 8100, 110mm BCD, lightweight bike component accessory

                              Cane Creek eeWings 8 Bolt Crank Spider for Shimano Ultegra 8100 110x4BCD - Black

                              The Cane Creek eeWings 8 Bolt Crank Spider is engineered for precision and durability, perfectly matching Shimano Ultegra 8100 standards. Crafted from high-grade 7075 aluminum with CNC machining, it ensures a lightweight yet robust performance at just 78g. Its 110mm x 4 bolt BCD...
                              £109.99
                              £109.99
                              • Black
                            • Cane Creek eeWings 8-bolt crank spider for GRX 1x drivetrain, 110 BCD, lightweight component for bike cranksets.

                                Cane Creek eeWings 8 Bolt Crank Spider 110BCD for GRX 1x Drivetrain - Black

                                The Cane Creek eeWings 8 Bolt Crank Spider - GRX 110X5BCD is engineered for precision and durability, perfect for 1x drivetrain setups. Crafted from CNC high-grade 7075 aluminum, it offers lightweight strength with a sleek anodized black finish. Its 110MM BCD and 8-bolt direct...
                                £99.99
                                £99.99
                                • Black
                              • Cane Creek eeWings 8-bolt crank spider for Dura-Ace 9200 road bike, 110x4 BCD component with lightweight aluminum construction.

                                  Cane Creek eeWings 8-Bolt Crank Spider for Dura-Ace 9200 110x4BCD Road Bike - Black

                                  The Cane Creek eeWings 8 Bolt Crank Spider for Dura-Ace 9200 offers a precision-engineered upgrade for your road bike. Crafted from high-grade 7075 aluminum with CNC machining, it ensures durability and lightweight performance. Its 110x4BCD bolt circle diameter and 8-bolt direct mount design provide...
                                  £109.99
                                  £109.99
                                  • Black
                                • Shimano Tiagra FC-R4000 double 11-speed road bike crankset with HollowTech II design and crank arms visible.Shimano Tiagra FC-R4000 double chainset for road bikes with 11-speed compatibility and HollowTech II design.

                                  Shimano Tiagra FC-R4000 Double Chainset 11-Speed Road Bike Crankset HollowTech II Compatible - Black

                                  The Shimano Tiagra FC-R4000 double chainset is engineered to deliver professional-level performance for 11-speed road bikes. Featuring a 2-piece cap-free design, this chainset is both lightweight and stiff, ensuring efficient power transfer and a smooth ride. The anodized aluminium crank arms and lightweight aluminium...
                                  £141.29
                                  £149.99
                                  £141.29
                                  Save £8.70
                                  • Black
                                • Shimano Spares FCM8200 left hand crank arm unit with protective sticker, exploded view showing detailed component design.Shimano Spares FCM8200 left hand crank arm unit with protective sticker for bicycle component replacement, showing the crank arm shape.

                                  Shimano Spares FCM8200 Left Hand Crank Arm Unit with Protection Sticker Replacement Part - Black

                                  Upgrade your bike with the Shimano Spares FCM8200 left hand crank arm unit. This genuine replacement part ensures optimal performance and durability for your transmission system. Designed to fit seamlessly, it includes a protection sticker to guard against wear and tear, keeping your crank...
                                  £99.99
                                  £99.99
                                  • Black
                                • Cane Creek eeWings Spindle Bolt Kit inc WasherCane Creek eeWings Spindle Bolt Kit inc Washer

                                    Cane Creek eeWings Spindle Bolt Kit with Washer for Crankset Replacement - Silver

                                    Upgrade your eeWings crank with this durable stainless steel spindle bolt kit. Includes washer for a secure fit. Precision-engineered by Cane Creek, it ensures reliable performance and long-lasting durability. Perfect for maintaining your transmission's integrity. What It’s Good For Replacing worn or damaged spindle...
                                    £49.99
                                    £49.99
                                    • Silver
                                  • Enduro Bearings Cranks Preload Adjuster 29/30mm

                                      Enduro Bearings Cranks Preload Adjuster 29/30mm for SRAM DUB Spindles Black - Black

                                      The Enduro Bearings Cranks Preload Adjuster 29/30mm Black is a precision-engineered aluminum component designed to optimize your bottom bracket setup. Crafted through CNC machining, this preload adjuster features two threaded rings—29mm and 30mm—that fit a broad range of 30mm cranksets, including the 29mm SRAM...
                                      £32.97
                                      £34.99
                                      £32.97
                                      Save £2.02
                                      • Black
                                    • SRAM Self-Extracting Crank Arm Bolt Kit for M18/M30 DUB Steel Cranks, bicycle component with bolts and tools.

                                      SRAM Self-Extracting Crank Arm Bolt Kit for M18/M30 DUB Steel Cranks

                                      Upgrade your SRAM crankset with the SRAM Crank Arm Bolt Kit Self-Extracting designed for M18/M30 DUB steel cranks in sleek black. Engineered for durability and precision, this kit ensures secure attachment and easy maintenance, enhancing the performance and longevity of your drivetrain. Crafted specifically...
                                      £9.91
                                      £10.00
                                      £9.91
                                      Save £0.09
                                    • SRAM Spider Specialized Mahle Model 1.2 SL 104Bcd Gen2 Black (No Chain Ring, Including Chainring Bolts)

                                        SRAM Spider Specialized Mahle Model 1.2 SL 104BCD Gen2 Black with Chainring Bolts

                                        The SRAM Spider Specialized Mahle Model 1.2 SL 104Bcd Gen2 Black is designed for precise compatibility and reliable performance with SRAM cranksets. This component comes without a chainring but includes chainring bolts, ensuring a secure fit and easy installation. Crafted for durability and efficiency,...
                                        £39.85
                                        £55.00
                                        £39.85
                                        Save £15.15
                                      • SRAM Power Meter Spider Cover Force E1 AXS

                                          SRAM Power Meter Spider Cover for Force E1 AXS Cranksets – Black - Black

                                          The SRAM Power Meter Spider Cover Force E1 AXS in sleek black is designed to perfectly fit FC-FRC-1P-E1 and FC-FRC-P-E1 cranksets. This component enhances your bike’s transmission system by providing precise power measurement, ensuring you get accurate data for optimal training and performance. Crafted...
                                          £18.01
                                          £25.00
                                          £18.01
                                          Save £6.99
                                          • Black
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