Bike Bottom Brackets

Unlock smoother pedalling and improve drivetrain efficiency with our comprehensive Bike Bottom Brackets collection. Whether you need threaded, press‑fit, external, ceramic or traditional cartridge types, we stock components built for durability, low friction, and compatibility with modern cranksets. Explore options from brands like Shimano, SRAM, Enduro Bearings, Wheels Manufacturing &...

Unlock smoother pedalling and improve drivetrain efficiency with our comprehensive Bike Bottom Brackets collection. Whether you need threaded, press‑fit, external, ceramic or traditional cartridge types, we stock components built for durability, low friction, and compatibility with modern cranksets.

Explore options from brands like Shimano, SRAM, Enduro Bearings, Wheels Manufacturing & more. Filter by spindle type, shell width & bearing quality to find the perfect bottom bracket for your frame and drivetrain. Enjoy expert advice, genuine parts and reliability you can trust.

Sidebar
Brand
Type
Size
Colour
Price
£
to
£
Availability
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort
Sort by:
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • Shimano Bb-R9100 Dura-Ace Hollowtech Ii Bearing Cups Bottom BracketShimano Bb-R9100 Dura-Ace Hollowtech Ii Bearing Cups Bottom Bracket

    Shimano Bb-R9100 Dura-Ace Hollowtech Ii Bearing Cups Bottom Bracket

    The bottom bracket bearings for the HollowTech II FCR9100 crankset, which is the ultimate crankset for stiffness whilst keeping weight low for performance riding and racing Minimal bearing interface gives superbly smooth rotation Distinctive style that exudes quality and perfection Required for installation of...
    £49.72
    £59.99
    £49.72
    Save £10.27
  • Campagnolo Centaur Bottom BracketCampagnolo Centaur Bottom Bracket

    Campagnolo Centaur Bottom Bracket

    A high quality Campagnolo bottom bracket that runs on three sealed cartridge bearings; two on the drive side and one on the non-drive side. Fits square taper versions of Centaur, Veloce and Mirage chainsets. Will also fit 1993 and later Athena square taper and...
    £39.98
    £50.00
    £39.98
    Save £10.02
  • Miche Supertype Evo Max Bottom BracketMiche Supertype Evo Max Bottom Bracket

    Miche Supertype Evo Max Bottom Bracket

    The Supertype Evo Max bottom bracket is a full aluminium, high end bottom bracket. The cups are made from AL 7075-T6, while the one-piece light alloy middle keeps weight to a minimum. Fully sealed SKF bearings provide a long life and smooth movement. Material:...
    £59.48
    £68.00
    £59.48
    Save £8.52
  • Genetic Cromozone Cartridge Bb Bottom Bracketgenetic bottom bracket cromozone cartridge bb p96753

    Genetic Cromozone Cartridge Bb Bottom Bracket - Chrome

    Cromozone JIS Bottom Bracket: Top quality traditional style Cr-Mo JIS square axle BB with precision cartridge bearings and never fail Cr-Mo steel threaded cups. Supplied with Hex cap type bolts. 107, 110.5 or 113mm sizes. Weight 285g
    £12.38
    £15.00
    £12.38
    Save £2.62
    • Chrome
  • Praxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Bottom BracketPraxis - BB M30 - ROAD 68mm BB30/PF30 - R- Collet

      Praxis - BB M30 - ROAD 68mm BB30/PF30 - R- Collet

      M30 BOTTOM BRACKETS ARE FOR PRAXIS M30 CRANKS WITH 30/28MM STEPPED AXLES. STRAIGHT 30MM AXLES WILL NOT FIT. Praxis M30 Press Fit bottom brackets are designed to be a proper bottom bracket (BB) for installing Turn M30 spindle based cranks in either; €¢ BB30,...
      £66.30
      £75.00
      £66.30
      Save £8.70
    • Fsa Bb-4000 Omega Drive Megaexo Bottom BracketFSA BB-4000 - Omega Drive Road MegaExo Bottom Bracket

        FSA BB-4000 - Omega Drive Road MegaExo Bottom Bracket

        Oversized cartrdige bearings Forged steel and CNC machined external cups Composite centre sleeve with double o-ring seals Compatibility: Omega MegaExo
        £40.95
        £48.00
        £40.95
        Save £7.05
      • Ceramicspeed Preload Ring Alternative For Sram Dub Cranks Bottom BracketCeramicSpeed Preload Ring Alternative for SRAM DUB Cranks *

          CeramicSpeed Preload Ring Alternative for SRAM DUB Cranks *

          Metal threads to ensure correct preload adjustment. Internal o-ring to provide secure fitment on crank axle without needing glue. sleek design reduces areas for dirt to collect. Compatible with all DUB CRank & BB combinations. Comes with 1 + 3mm spacers that match the...
          £39.98
          £46.00
          £39.98
          Save £6.02
        • Truvativ Bb Power Spline Bottom Brackettruvativ bottom bracket bb power spline p107257

          Truvativ Bb Power Spline Bottom Bracket

          Truvativ: WHAT THE WORLD SPINS ON A tough bottom bracket that will go as hard as you. The PowerSpline has a heat treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders.FEATURESThe PowerSpline has a...
          £26.33
          £31.00
          £26.33
          Save £4.67
        • Truvativ Gxp Team Press Fit MTB Bb92 Bottom BracketSRAM GXP Team PressFit MTB BB92:

            SRAM GXP Team PressFit MTB BB92:

            Truvativ GXP Team Press Fit MTB
            £38.03
            £44.00
            £38.03
            Save £5.97
          • Shimano Bb-Rs501 Bottom Bracket Cups English Thread Cups Bottom BracketShimano BB-RS501 bottom bracket cups, English thread cups

              Shimano BB-RS501 bottom bracket cups, English thread cups

              Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets Minimal bearing interface gives superbly smooth rolling Easy installation British thread
              £19.05
              £22.99
              £19.05
              Save £3.94
            • Shimano Bb-Mt801 Bottom Bracket Cups For Fc-Mx70 / Mx71 Hollowtech Ii Chainset 68 Mm Bottom BracketShimano BB-MT801 bottom bracket cups, for FC-MX70 / MX71 HollowTech II chainset, 68 mm

                Shimano BB-MT801 bottom bracket cups, for FC-MX70 / MX71 HollowTech II chainset, 68 mm

                Genuine Shimano HollowTech II bottom bracket assembly Set includes left and right hand cups, spacers, inner cover, and inner O-rings Light weight seal structure helps to remove vital grams Sealed cups keep out dirt and water Maintenance free For use with FC-MX70 / MX71...
                £29.00
                £34.99
                £29.00
                Save £5.99
              • Shimano Bb-Mt800 MTB Press Fit Bottom Bracket With Inner Cover For 92 Or 89.5 Mm Bottom BracketShimano BB-MT800 MTB press fit bottom bracket with inner cover, for 92 or 89.5 mm

                  Shimano BB-MT800 MTB press fit bottom bracket with inner cover, for 92 or 89.5 mm

                  Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage Set includes left and right hand cups, 2.5 mm spacer, inner cover, and inner...
                  £30.65
                  £36.99
                  £30.65
                  Save £6.34
                • Shimano Bb-Mt501 Outboard Bearing Bottom Bracket Set English Thread 68 / 73 Mm Bottom Bracket

                    Shimano BB-MT501 outboard bearing bottom bracket set, English thread, 68 / 73 mm

                    Genuine Shimano HollowTech II bottom bracket assembly Set includes left and right hand cups, spacers, inner cover, and inner O-rings Sealed cups keep out dirt and water Maintenance free Compatible with 68 mm and 73 mm shell Durable anodised finish Easy installation
                    £19.05
                    £22.99
                    £19.05
                    Save £3.94
                  • Sram Dub Bottom Bracket T47 (Road And Road Wide) Bottom BracketSRAM BB DUB T47 (Road and Road Wide) 68mm (including 2.5, 3.0, 5.5 DUB spacer): 68MM

                      SRAM BB DUB T47 (Road and Road Wide) 68mm (including 2.5, 3.0, 5.5 DUB spacer): 68MM

                      Sram: OVERVIEWThe new SRAM DUB™ bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB™ spindle to be the one true unifying component. One oversized...
                      £42.90
                      £51.00
                      £42.90
                      Save £8.10
                    • Sram Bb Dub Pressfit (Road) 86.5Mm Bottom BracketSRAM BB DUB PressFit (Road) 86.5mm (including 3.0 DUB spacer):

                        SRAM BB DUB PressFit (Road) 86.5mm (including 3.0 DUB spacer):

                        SRAM BB DUB PRESSFIT (ROAD) 86.5MM SINGULAR FOCUS. BETTER SOLUTION. SPECIFICATIONSBB-frame interface: PressFit (Road: 86.5mm)Crank-BB interface: DUBBearing type: StandardSpindle diameter: DUBSpindle length: n/aChainline: n/aSupport E-type FD: n/aCup material: Steel
                        £37.05
                        £44.00
                        £37.05
                        Save £6.95
                      • Sram Am Bb Dub English/Bsa (Road Wide) 68Mm 2021: Black Bsa Bottom BracketSRAM BB DUB English/BSA (Road Wide) 68mm (including 2.5, 5.5 DUB spacer) 2021:

                          SRAM BB DUB English/BSA (Road Wide) 68mm (including 2.5, 5.5 DUB spacer) 2021:

                          Sram: SINGULAR FOCUS. BETTER SOLUTION. The new SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true...
                          £32.18
                          £38.00
                          £32.18
                          Save £5.82
                        • Sram Bb Dub T47 (Road And Road Wide) 77Mm Bottom BracketSRAM BB DUB T47 (Road and Road Wide) 77mm (including 2.5, 3.0, 5.5 DUB spacer): 77MM

                            SRAM BB DUB T47 (Road and Road Wide) 77mm (including 2.5, 3.0, 5.5 DUB spacer): 77MM

                            Sram: The new SRAM DUB™ bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB™ spindle to be the one true unifying component. One oversized...
                            £42.90
                            £51.00
                            £42.90
                            Save £8.10
                          • Shimano Bottom Bracket MTB Press Fit 92/89.5Mm Bottom BracketShimano SM-BB71 MTB press fit bottom bracket with inner cover, for 92 or 89.5 mm

                              Shimano SM-BB71 MTB press fit bottom bracket with inner cover, for 92 or 89.5 mm

                              Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage Set includes left and right hand cups, 2.5 mm spacer, inner cover, and inner...
                              £27.34
                              £32.99
                              £27.34
                              Save £5.65
                            • Placeholder image

                                FSA FSA BB Spacer MS319

                                £3.30
                                £4.00
                                £3.30
                                Save £0.70
                              • Wheels Manufacturing 386Evo Abec-3 Bb For 29Mm Cranks (Sram Dub) Black Spares & AccessoriesWheels Manufacturing 386EVO Threaded ABEC-3 Bearings For 29mm Cranks (SRAM DUB)

                                  Wheels Manufacturing 386EVO Threaded ABEC-3 Bearings For 29mm Cranks (SRAM DUB)

                                  Thread together bottom bracket for 386EVO and bottom bracket frames and 29mm spindle diameter cranks (SRAM DUB). Machined Aluminium cups thread together for stability, increased bearing life, and simple installation and maintenanceNo more creaking. Smooth operation. Fast bearing replacement Bearings: Enduro ABEC-3 Bottom Bracket/Frame...
                                  £95.30
                                  £114.99
                                  £95.30
                                  Save £19.69
                                • Campagnolo Ultra Torque Bearing Circlip 1Pcs Spares & AccessoriesCampagnolo Ultra Torque Bearing Circlip 1Pcs Spares & Accessories

                                    Campagnolo Ultra Torque Bearing Circlip 1Pcs Spares & Accessories

                                    Campagnolo Ultra Torque b/b replacement clip. * Bearing Circlip supplied as 1pcs * Cup Circlip supplied as 1pcs
                                    £0.83
                                    £1.00
                                    £0.83
                                    Save £0.17
                                  • Campagnolo Fc-Re012 Ultra Torque Bearings (Pr) Spares & AccessoriesCampagnolo Fc-Re012 Ultra Torque Bearings (Pr) Spares & Accessories

                                      Campagnolo Fc-Re012 Ultra Torque Bearings (Pr) Spares & Accessories

                                      Replacement bearing kit for Campagnolo Ultra Torque bottom brackets.
                                      £26.33
                                      £32.00
                                      £26.33
                                      Save £5.67
                                    • enduro bearings bottom bracket spares smr 9227 llb stainless steel angular contact p71234

                                        Enduro Bearings SMR 9227 LLB Stainless Steel - Angular Contact Silver/Green 7mm MR 9227 22mm Stainless Steel

                                        Angular contact bearings provide maximum load distribution across all of the ball bearings unlike standard bearings which load only those at the bottom of the bearing. This load distribution ensures bearing life is increased drastically allowing for more time spent in the saddle than...
                                        £13.20
                                        £16.00
                                        £13.20
                                        Save £2.80
                                      • enduro bearings bottom bracket spares 2437 bearing inner guide p71208

                                          Enduro Bearings 2437 Bearing Inner Guide

                                          Bearing press inner race guide for 2437 bearings. For use with EB8420 bearing press.
                                          £8.25
                                          £10.00
                                          £8.25
                                          Save £1.75
                                        • enduro bearings bottom bracket spares 6800 llu max bo abec 3 max p71153

                                            Enduro Bearings 6800 LLU MAX BO - ABEC 3 MAX 5mm 6800 19mm 10mm

                                            MAX berings are designed without retainers and 40% more balls than standard ABEC 3 or 5 bearings. This enables them to carry a much higher load and makes them perfect for frame pivots. They are also packed with CRC Marine Grease, which will not...
                                            £7.43
                                            £9.00
                                            £7.43
                                            Save £1.57
                                          • Enduro Bearings Mr 22378 Llb-E Abec 3 Spares & AccessoriesEnduro Bearings MR 22378 LLB-E - ABEC 3 MR 22378 ABEC 3 LLB-E

                                              Enduro Bearings MR 22378 LLB-E - ABEC 3 MR 22378 ABEC 3 LLB-E

                                              The entry standard for Enduro bearings. Enduro ’s ABEC 3 bearings offer improved quality and performance over ABEC 1 bearings fitted by many OE manufacturers. Only the finest cycling components come standard with Enduro ’s ABEC 3 bearings. With hardened chromium steel races, balls,...
                                              £8.25
                                              £10.00
                                              £8.25
                                              Save £1.75
                                            • Placeholder image

                                              Enduro Bearings Maxhit BB Seal Kit - Green

                                              Replacement seal kit for Maxhit BBs.
                                              £7.42
                                              £8.99
                                              £7.42
                                              Save £1.57
                                              • Green
                                            • Enduro Bearings Bottom Bracket Spacer 29mmEnduro Bearings Bottom Bracket Spacer 29mm

                                              Enduro Bearings Bottom Bracket Spacer 29mm - Black

                                              Nylon BB spindle spacers for 29mm cranks.
                                              £1.64
                                              £1.99
                                              £1.64
                                              Save £0.35
                                              • Black
                                            • Cane Creek Hellbender 70 Bottom BracketCane Creek Hellbender 70 Bottom Bracket

                                              Cane Creek Hellbender 70 Bottom Bracket - Purple

                                              Value Meets PerformanceThe Hellbender 70 bottom bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance.Providing excellent durability and corrosion resistance, the...
                                              £120.11
                                              £139.99
                                              £120.11
                                              Save £19.88
                                              • Purple
                                              • Black
                                            • Enduro Bearings MR 19285 LLB - Ceramic Hybrid - 19x28x5

                                              Enduro Bearings MR 19285 LLB - Ceramic Hybrid - 19x28x5 Silver 5mm MR 19285 28mm Ceramic Hybrid - Silver

                                              CH MR 19285LB - ABEC-5, Ceramic-Hybrid, radial bearing (C3 clearance) - 19mm x 28mm x 5mm -This ABEC-5, Ceramic-hybrid bearing features deep-groove design 52100 High-Carbon chromium alloy races, with Grade 5 Silicon-Nitride Ceramic balls, dual-lip labyrinth (LLB) seals to withstand the outside elements, and...
                                              £34.31
                                              £39.99
                                              £34.31
                                              Save £5.68
                                              • Silver
                                            Recently Viewed Products

                                            Why Swinnerton Bikes

                                            Free UK Shipping Over £50

                                            Fast free shipping on all UK orders over £50
                                            Price Match

                                            *Seen it cheaper, let us know & we'll match it.
                                            Spread The Cost with Klarna

                                            Pay in instalments or pay later with Klarna.