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
MTB Cranks

MTB Cranks
Track Bike Cranks

Track Bike Cranks
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  • Trek 2022 Session 29 Idler Pulley 3.5Mm Spacer Spares & AccesoriesTrek 2022 Session 29 Idler Pulley 3.5mm Spacer Grey 3.5mm x 12mm | Swinnerton Cycles

      Trek 2022 Session 29 Idler Pulley Spacer 3.5mm x 12mm Grey for Drivetrain Alignment

      Upgrade your Trek Session 29 with this precise 3.5mm spacer. Designed for smooth transmission and durable performance, it ensures optimal pulley alignment. What It’s Good For Maintains proper idler pulley spacing Enhances drivetrain efficiency Compatible with Trek Session 29 2022 models Durable grey finish...
      £4.99
      £4.99
    • Trek 2022 Session 29 Idler Pulley 4.5Mm Black Spacer Spares & AccesoriesTrek 2022 Session 29 Idler Pulley 4.5mm Spacer Black 4.5mm x 12mm | Swinnerton Cycles

        Trek 2022 Session 29 Idler Pulley Spacer 4.5mm x 12mm Black for Drivetrain

        Enhance your Trek Session 29 with this precise 4.5mm idler pulley spacer. Designed for seamless fit and optimal performance, it ensures smooth transmission and reliable crank function. Crafted from durable materials, this black spacer offers efficient support to your bike’s idler pulley system, improving...
        £4.99
        £4.99
      • Specialites Ta Vega/Carmina 15Mm Triple Chainring Bolts Spares & AccesoriesSpecialites Ta Vega/Carmina 15Mm Triple Chainring Bolts Spares & Accesories | Swinnerton Cycles

          Specialites TA Vega Carmina 15mm Triple Chainring Bolts with Alloy Spacers Accessories

          Upgrade your Vega or Carmina chainset with these durable 15mm triple chainring bolts. Crafted from steel with alloy spacers, they ensure a secure and reliable fit for smooth transmission performance. What It’s Good For Replacing worn or damaged triple chainring bolts Enhancing chainring stability...
          £21.70
          £23.00
          £21.70
          Save £1.30
        • Specialites TA Ultra-Torque chainring bolts and accessories for Campagnolo cranksets, showcasing durable metal components.Specialites TA Ultra-Torque chainring bolts and accessories for Campagnolo cranksets, shown with mounting hardware and tools.

            Specialites Ta Ta Ultra-Torque Chainring Bolts & Accessories for Campagnolo Cranksets

            Specialites Ta Ta Ultra-Torque Chainring Bolts are precision-made components designed exclusively for Campagnolo Ultra-Torque Carbon cranksets. Crafted from durable 7075T6 aluminium, they offer an ideal balance of lightweight strength and exceptional resistance. This set includes 4 UTC3 bolts, 4 UTC3 nuts, and 1 shouldered...
            £31.58
            £34.00
            £31.58
            Save £2.42
          • Specialites Ta Single Steel Chainring Bolts Spares & AccesoriesSpecialites Ta Single Steel Chainring Bolts Spares & Accesories | Swinnerton Cycles

              Specialites TA Single Speed Steel Chainring Bolts Replacement & Accessories

              Upgrade your single speed chainset with these durable chromed steel chainring bolts. Designed by Specialites TA, they ensure a secure fit and long-lasting performance. Built to withstand regular use, these bolts maintain your crankset's integrity while adding a sleek, polished finish. What It’s Good...
              £11.78
              £13.00
              £11.78
              Save £1.22
            • Specialites Ta Pedal Washers (Pr) Spares & AccesoriesSpecialites Ta Pedal Washers (Pr) Spares & Accesories | Swinnerton Cycles

                Specialites TA Pedal Washers Pair – Aluminium Crank Arm Protection Spares & Accessories

                Protect your aluminium crank arms effortlessly with Specialites TA Pedal Washers. Made from durable steel, these washers prevent scratches and damage during pedal installation, ensuring longevity. Designed to fit most aluminium cranks, they provide a secure and reliable barrier between pedals and crank arms...
                £3.39
                £5.00
                £3.39
                Save £1.61
              • Specialites TA self-extracting crank bolts and dustcap spares components kit for bike maintenance and repairs.Specialites TA self-extracting crank bolts and dustcap spares components kit for bicycle maintenance and repair.

                  Specialites TA Self Extracting Crank Bolts & Dustcap Spares Accessories Kit

                  Upgrade your bike with Specialites TA Self Extracting Crank Bolts & Dustcap set, crafted from anodised 2030 T4 aluminium for durability and lightweight performance. This kit includes steel screws and two brass washers, ensuring a secure fit and smooth operation. Weighing only 18g per...
                  £11.05
                  £12.00
                  £11.05
                  Save £0.95
                • Black SRAM crank arm guard boots for 2023 SRAM and Brose E-MTB cranksets, set of 2, designed to protect crank arms.Black SRAM crank arm guard boots for 2023 SRAM/Brose E-MTB crankset, set of two, protective components for bike crank arms.

                    SRAM Crank Arm Guard Boots for 2023 SRAM/Brose E-MTB Crankset – Qty 2 Black

                    Protect your SRAM or Brose E-MTB crank arms with the SRAM Crank Arm Guard/Boots. Designed specifically for 2023 models, these guards offer durable protection against scratches, impacts, and wear, extending the life of your crankset. Easy to install and perfectly compatible, they maintain optimal...
                    £10.56
                    £11.00
                    £10.56
                    Save £0.44
                  • SRAM Crank Arm Bolt Kit for DUB XX & XXSL D1 2023, self-extracting M18/M30 components for bike cranksetsSRAM crank arm bolt kit for DUB XX & XXSL D1 bikes, includes M18/M30 self-extracting bolts, component for bike drivetrain.

                      SRAM Crank Arm Bolt Kit Self-Extracting M18/M30 DUB XX & XXSL D1 2023

                      The SRAM Crank Arm Bolt Kit Self-Extracting M18/M30 DUB (XX&XXSL D1) 2023 is designed for seamless integration with your SRAM crankset, ensuring secure attachment and optimal performance. Crafted for durability and precision, this bolt kit simplifies crank arm installation and removal, saving time during...
                      £14.58
                      £20.00
                      £14.58
                      Save £5.42
                    • SRAM eMTB pedal assist T-type chainring guard with 6 safety clips, compatible with 34T, 36T, and 38T chainrings for mountain bikes.SRAM eMTB pedal assist T-type chainring guard with 6 safety clips, available in 34T, 36T, and 38T sizes for bike components.

                        SRAM eMTB Pedal Assist T-Type Chainring Clip-On Guard 34T/36T/38T with 6 Safety Clips

                        Enhance your eMTB’s performance and protection with the SRAM Pedal Assist T-Type Chainring Clip On Guard. Designed to fit 38T, 36T, and 34T chainrings, this robust guard shields your drivetrain from impacts and debris, ensuring smooth and reliable shifting. Its unisize design and included...
                        £13.94
                        £14.00
                        £13.94
                        Save £0.06
                      • Sram Spare Crank Chainring Bolt Kit 4-Arm Red D1 Aluminum Black Spares & Accesories

                          SRAM Chainring Bolt Kit 4x1 M8x6.5x3.4 Aluminum with Black Bolt Covers, Qty 4

                          Upgrade your bike's drivetrain with the SRAM Spare Chainring Bolt Kit. Crafted from durable aluminum, this kit ensures a secure fit and long-lasting performance. With a sleek black finish and included bolt covers, it offers both functionality and style for your crankset. Perfect for...
                          £20.67
                          £27.00
                          £20.67
                          Save £6.33
                        • Sram Spare Crank Arm Bolt Kit Self-Extracting M18/M30 Dub Black Stealth Spares & Accesories

                            Sram Spare Crank Arm Bolt Kit Self-Extracting for M18/M30 Dub Black Stealth

                            Upgrade your bike maintenance with the Sram Spare Crank Arm Bolt Kit, designed for M18/M30 Dub cranks. Its self-extracting feature ensures easy installation and removal, saving you time and effort. Crafted in sleek black stealth, this kit offers durability and a perfect fit for...
                            £14.58
                            £20.00
                            £14.58
                            Save £5.42
                          • Sram Crank Arm Bolt Kit Self-Extracting M18/M30 Dub (X0 D1) Spares & Accesories

                              SRAM Crank Arm Bolt Kit Self-Extracting M18/M30 DUB X0 D1 Polar Black 2023

                              Upgrade your SRAM crankset with the Sram Crank Arm Bolt Kit Self-Extracting M18/M30 DUB (X0 D1) in Polar Black. Designed specifically for SRAM components, this kit ensures a secure and precise fit, enhancing the reliability and performance of your drivetrain. Its self-extracting feature simplifies...
                              £14.58
                              £20.00
                              £14.58
                              Save £5.42
                            • Sram Spare Crank Arm Bolt Kit Self-Extracting M18/M30 Dub Spares & Accesoriessram spares chainset spares spare crank arm bolt kit self extracting m18 m30 dub p74297

                                SRAM M18/M30 Dub Self-Extracting Crank Arm Bolt Kit – Spare Parts & Accessories - Gold

                                Ensure your SRAM crankset stays secure with this Self-Extracting Crank Arm Bolt Kit. Designed specifically for M18/M30 Dub models, it offers reliable fastening and easy maintenance. Crafted with precision, these bolts provide durability and smooth installation, making crank arm removal effortless. A must-have for...
                                £14.58
                                £20.00
                                £14.58
                                Save £5.42
                                • Gold
                                • Black
                              • Sram Crank Mounting Bolt Kit Removable Spider / Chainring Direct Mount Torx T20 Qty 8 Spares & Accesories

                                  SRAM Crank Mounting Bolt Kit Torx T20 - 8pcs for Removable Spider & Chainring Direct Mount

                                  Ensure the reliability and performance of your SRAM crankset with the SRAM Spare - Crank Mounting Bolt Kit. Designed for removable spider and chainring direct mount applications, this Torx T20 bolt kit includes 8 pieces, providing a precise fit for secure installation. Crafted to...
                                  £13.05
                                  £18.00
                                  £13.05
                                  Save £4.95
                                • Sram Crank Bolt Kit Removable Spider Mounting Torx 25 Qty 3 Spares & Accesories

                                    SRAM Crank Bolt Kit Removable Spider Mounting Torx 25, Qty 3 Spare Parts

                                    Enhance your SRAM crankset with the SRAM Spare Crank Bolt Kit, designed specifically for removable spider mounting with Torx 25 compatibility. This kit includes three high-quality bolts that ensure secure and reliable attachment, maintaining the integrity and performance of your drivetrain. Crafted to fit...
                                    £5.41
                                    £7.00
                                    £5.41
                                    Save £1.59
                                  • Sram Chainring Bolt Kit 4X2 M8X4.75X8.75 Steel 94/107 Bcd Black Qty 4 Spares & AccesoriesSRAM Chainring Bolt Kit 4X2 M8X4.75X8.75 Steel 94/107 BCD Black Qty 4: | Swinnerton Cycles

                                      SRAM Chainring Bolt Kit 4X2 M8X4.75X8.75 Steel 94/107 BCD Black Qty 4 for Bike

                                      Upgrade your bike's performance with the SRAM Chainring Bolt Kit 4X2 M8X4.75X8.75. Crafted from durable steel and designed specifically for 94/107 BCD chainrings, this kit ensures a secure and reliable connection. Its sleek black finish complements your bike’s aesthetics while providing long-lasting strength. Precision-engineered...
                                      £7.38
                                      £9.00
                                      £7.38
                                      Save £1.62
                                    • Specialites Ta Vega/Carmina Lockring Spares & AccesoriesSpecialites Ta Vega/Carmina Lockring Spares & Accesories | Swinnerton Cycles

                                        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...
                                        £11.05
                                        £12.00
                                        £11.05
                                        Save £0.95
                                      • Sks Chainbow-E Bosch Chainguard Spares & AccesoriesSKS Chainbow Bosch Chainguard: BLACK MAX 38T | Swinnerton Cycles

                                          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 (Max 46-48 Teeth) Derailleur Gears Only Spares & AccesoriesSKS Chainblade Black (Max 46-48 Teeth) Derailleur Gears Only: | Swinnerton Cycles

                                            SKS Chainblade Black Adjustable Chain Guard for Derailleur Gears 46-48 Teeth

                                            The SKS Chainblade Black is a versatile and lightweight chain guard designed specifically for derailleur gear systems. Its innovative telescopic function allows easy adjustment to fit rear chainstays with a length variation of +/- 125mm, ensuring a perfect fit for your bike. Crafted from...
                                            £21.75
                                            £24.99
                                            £21.75
                                            Save £3.24
                                          • Sks Chainblade Black (Max 42-44 Teeth) Hub/Derailleur Gears Spares & AccesoriesSKS Chainblade Black (Max 42-44 Teeth) Hub/Derailleur Gears: | Swinnerton Cycles

                                              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...
                                              £21.75
                                              £24.99
                                              £21.75
                                              Save £3.24
                                            • Sks Chainblade Black (Max 38 Teeth) Hub Gears Only Spares & AccesoriesSKS Chainblade Black (Max 38 Teeth) Hub Gears Only: | Swinnerton Cycles

                                                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...
                                                £21.75
                                                £24.99
                                                £21.75
                                                Save £3.24
                                              • 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...
                                                  £12.63
                                                  £13.00
                                                  £12.63
                                                  Save £0.37
                                                • Praxis Works Spare Crank Boots G2 Girder Sbc Carb Sl/M30 Spares & AccesoriesPraxis - SPARE - Crank Boots - G2 Girder, SBC Carb SL/M30 | Swinnerton Cycles

                                                    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...
                                                    £14.58
                                                    £15.00
                                                    £14.58
                                                    Save £0.42
                                                  • Praxis Works Spare Crank Boots Zc Lyft Bosch/Yamaha Carbon Spares & AccesoriesPraxis - SPARE - Crank Boots - ZC, Lyft, Bosch/Yamaha Carbon | Swinnerton Cycles

                                                      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...
                                                      £14.58
                                                      £15.00
                                                      £14.58
                                                      Save £0.42
                                                    • Praxis Works Spare X-Ring Bolts Spares & AccesoriesPraxis - SPARE - X-Ring Bolts | Swinnerton Cycles

                                                        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...
                                                        £24.29
                                                        £25.00
                                                        £24.29
                                                        Save £0.71
                                                      • Praxis Works Spare Direct Mount Spider 110 Bcd Spares & AccesoriesPraxis - SPARE - Direct Mount Spider 110 BCD | Swinnerton Cycles

                                                          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...
                                                          £53.44
                                                          £55.00
                                                          £53.44
                                                          Save £1.56
                                                        • Praxis Works Spare 3028 M30 Bearing Service Kit Ceramic Spares & AccesoriesPraxis - SPARE - 3028 M30 Bearing Service Kit - Ceramic | Swinnerton Cycles

                                                            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...
                                                            £97.14
                                                            £100.00
                                                            £97.14
                                                            Save £2.86
                                                          • 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...
                                                              £27.20
                                                              £28.00
                                                              £27.20
                                                              Save £0.80
                                                            • Miche Primato Single Chainring Bolt Spares & AccesoriesMiche Primato Single Chainring Bolt Spares & Accesories | Swinnerton Cycles

                                                                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...
                                                                £2.52
                                                                £3.00
                                                                £2.52
                                                                Save £0.48
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