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
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 Un300 Bs Bottom Bracketshimano bottom bracket un300 bs p99818

    Shimano Un300 Bs Bottom Bracket - Silver

    A good quality bottom bracket for traditional chainsets Super-accurate bearings for smooth operation and improved durability Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life Fast and...
    from £13.48
    £23.99
    from £13.48
    Save £10.51
    • Silver
  • Yst Ext Threadless Bb Bottom BracketYst Ext Threadless Bb Bottom Bracket

      Yst Ext Threadless Bb Bottom Bracket

      A great solution for repairs on bicycles with External type BB cranksets where the bicycle frame has damaged or stripped threads in a 68mm English type bottom bracket. The YST BB-0901 (BB-2010) threadless unit threads to itself and has a bevelled cup for a...
      £39.00
      £45.00
      £39.00
      Save £6.00
    • Sram Am Bb Dub Bb30 (Road Wide) 68Mm 2021: Black Bb30 Bottom BracketSram Am Bb Dub Bb30 (Road Wide) 68Mm 2021: Black Bb30 Bottom Bracket

        Sram Am Bb Dub Bb30 (Road Wide) 68Mm 2021: Black Bb30 Bottom Bracket

        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...
        £44.00
        £51.00
        £44.00
        Save £7.00
      • Trek Integrated Bb90/95 Bearing Spacer Seal Bottom BracketTrek Integrated BB90/95 Bearing Spacer Seal Black 7.5mm x 24mm

          Trek Integrated BB90/95 Bearing Spacer Seal Black 7.5mm x 24mm

          BB Trek BB90/BB95 Bearing Spacer Seal
          £2.00
          £2.00
        • Shimano Bb-Rs500 Bottom Bracket Cups Bottom BracketShimano Bb-Rs500 Bottom Bracket Cups Bottom Bracket

          Shimano Bb-Rs500 Bottom Bracket Cups Bottom Bracket

          Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsets Minimal bearing interface gives superbly smooth rolling Easy installation Italian thread
          £22.99
          £22.99
        • Campagnolo Outboard Cups Pro-Tech Bottom Bracketcampagnolo bottom bracket outboard cups pro tech p95409

          Campagnolo Outboard Cups Pro-Tech Bottom Bracket

          The Ekar bottom bracket is designed specifically for gravel and all road riding. Featuring a patented ProTech- system with an external sealing ring and internal sleeve protects from water, grit and dirt ingress. Oversized, protected external stainless steel bearings attach directly to crank arms...
          from £25.00
          £30.00
          from £25.00
          Save £5.00
        • Cane Creek Hellbender 70 Bottom BracketCane Creek Hellbender 70 Bottom Bracket

          Cane Creek Hellbender 70 Bottom Bracket

          Reliability and Performance for Every Ride PLEASE NOTE: CANE CREEK HAVE MADE A ROLLING CHANGE TO THE 70 SERIES, IT IS NOW FINISHED IN ALL BLACK RATHER THAN BLACK AND GOLD The Hellbender 70 bottom bracket is a premium bottom bracket designed for riders...
          £119.00
          £140.00
          £119.00
          Save £21.00
        • Wheels Manufacturing Bsa Threaded Frame Abec-3 Bearings For 29Mm Cranks (Sram Dub) Teal Bottom Bracket

            Wheels Manufacturing Bsa Threaded Frame Abec-3 Bearings For 29Mm Cranks (Sram Dub) Teal Bottom Bracket

            Introducing the new anodized bottom brackets from Wheels Mfg !! Our solution for running a 29mm spindle crankset (SRAM DUB) in a BSA threaded frame Machined aluminium cups thread in to a standard threaded frame and feature Enduro 6806 ABEC-3 sealed bearings outboard of...
            £97.74
            £114.99
            £97.74
            Save £17.25
          • Wheels Manufacturing Bb86/92 Threaded Abec-3 Bearings 24Mm Purple Bottom Bracket

              Wheels Manufacturing Bb86/92 Threaded Abec-3 Bearings 24Mm Purple Bottom Bracket

              Introducing the new anodized bottom brackets from Wheels Mfg !! BB86/92 Outboard featuring ABEC-3 graded bearings to suit 24mm axle cranks Serviceable, double lip sealed, Enduro bearings The two machined aluminium cups thread together ensuring the bottom bracket remains stable in the frame, increasing...
              £97.74
              £114.99
              £97.74
              Save £17.25
            • Sram Bottom Bracket Shield And Wave Washer Assy Pressfit Gxp Road Bottom BracketSram Bottom Bracket Shield And Wave Washer Assy Pressfit Gxp Road Bottom Bracket

                Sram Bottom Bracket Shield And Wave Washer Assy Pressfit Gxp Road Bottom Bracket

                Sram Road Bottom Bracket Shield and Wave Washer Assy PressFit GXP Road
                £12.00
                £12.00
              • Shimano Bb-Mt801 Bottom Bracket Cups English Thread Cups 68 / 73 Mm Bottom BracketShimano Bb-Mt801 Bottom Bracket Cups English Thread Cups 68 / 73 Mm Bottom Bracket

                  Shimano Bb-Mt801 Bottom Bracket Cups English Thread Cups 68 / 73 Mm Bottom Bracket

                  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 Compatible with 68 mm and 73...
                  £23.63
                  £34.99
                  £23.63
                  Save £11.36
                • Enduro Bearings Maxhit Bsa Bottom BracketEnduro Bearings Maxhit Bsa Bottom Bracket

                  Enduro Bearings Maxhit Bsa Bottom Bracket

                  MAXhit is Enduro's latest patent-pending innovation; where the bearing is actually the component. MAXhit bottom bracket bearings are designed to thread directly into your bicycles bottom bracket shell, eliminating the need for the aluminium cups that are traditionally used to carry the bearings. This...
                  £162.00
                  £180.00
                  £162.00
                  Save £18.00
                • Sram Spare Bottom Bracket Preload Adjuster Kit Dub (Including Screw Outerring And 2 Innerrings Non-Flanged & Flanged (Flanged Compatible With Xx1 And X01 Dub Cranks Except For Fat) Spares & Accessories

                    Sram Spare Bottom Bracket Preload Adjuster Kit Dub (Including Screw Outerring And 2 Innerrings Non-Flanged & Flanged (Flanged Compatible With Xx1 And X01 Dub Cranks Except For Fat) Spares & Accessories

                    Spare - Bottom Bracket Preload Adjuster Kit Dub (Including Screw, Outerring And 2 Innerrings Non-Flanged & Flanged (Flanged Compatible With Xx1 And X01 Dub Cranks, Except For Fat) BLACK
                    £5.00
                    £5.00
                  • Fsa Bb30 Right Side Adjust Spacer Mw114 Spares & AccessoriesFsa Bb30 Right Side Adjust Spacer Mw114 Spares & Accessories

                      Fsa Bb30 Right Side Adjust Spacer Mw114 Spares & Accessories

                      BB30 RIGHT SIDE ADJUST SPACER MW114
                      £4.00
                      £4.00
                    • Ceramicspeed Ceramicspeed Threaded And Pf46Mm Cup Shimano Service Kit Spares & AccessoriesCeramicspeed Ceramicspeed Threaded And Pf46Mm Cup Shimano Service Kit Spares & Accessories

                        Ceramicspeed Ceramicspeed Threaded And Pf46Mm Cup Shimano Service Kit Spares & Accessories

                        Crank Compatibility: Shimano / 24mm spindleFrame/cup: PF30. PF30a. BBright. EVO386. BSA. ITA. T45. T47-68mm. T47-86mm. In the box: 2 bearing seals. 2 bearing dust covers. 2 x 0,5mm spacers. 5ml CeramicSpeed All Round Grease.
                        £16.00
                        £16.00
                      • Shimano Bb-R60 Ultegra 6800 Bottom Bracketshimano bottom bracket bb r60 ultegra 6800 bottom bracket p43129

                        Shimano Bb-R60 Ultegra 6800 Bottom Bracket

                        HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability Use TLFC37 or TLFC25 in conjunction with TLFC36...
                        £28.04
                        £32.99
                        £28.04
                        Save £4.95
                      • 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...
                        £41.00
                        £50.00
                        £41.00
                        Save £9.00
                      • 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
                        £15.00
                        £15.00
                        • Chrome
                      • Praxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Bottom BracketPraxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Bottom Bracket

                          Praxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Bottom Bracket

                          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,...
                          £68.00
                          £75.00
                          £68.00
                          Save £7.00
                        • Fsa Pf30 Road Bottom BracketFsa Pf30 Road Bottom Bracket

                            Fsa Pf30 Road Bottom Bracket

                            For SL-K Light, Energy, Gossamer Pro, Gossamer, Assault, Vision TriMax and Omega BB30 crankset Chrome steel BB30 cartridge bearings 84g
                            £37.00
                            £42.00
                            £37.00
                            Save £5.00
                          • Fsa Bb-4000 Omega Drive Megaexo Bottom BracketFsa Bb-4000 Omega Drive Megaexo Bottom Bracket

                              Fsa Bb-4000 Omega Drive Megaexo Bottom Bracket

                              Oversized cartrdige bearings Forged steel and CNC machined external cups Composite centre sleeve with double o-ring seals Compatibility: Omega MegaExo
                              £42.00
                              £48.00
                              £42.00
                              Save £6.00
                            • Ceramicspeed Preload Ring Alternative For Sram Dub Cranks Bottom BracketCeramicspeed Preload Ring Alternative For Sram Dub Cranks Bottom Bracket

                                Ceramicspeed Preload Ring Alternative For Sram Dub Cranks Bottom Bracket

                                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...
                                £41.00
                                £46.00
                                £41.00
                                Save £5.00
                              • 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...
                                £27.00
                                £31.00
                                £27.00
                                Save £4.00
                              • Shimano Bb-Rs501 Bottom Bracket Cups English Thread Cups Bottom BracketShimano Bb-Rs501 Bottom Bracket Cups English Thread Cups Bottom Bracket

                                  Shimano Bb-Rs501 Bottom Bracket Cups English Thread Cups Bottom Bracket

                                  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
                                  £15.53
                                  £22.99
                                  £15.53
                                  Save £7.46
                                • Shimano Bb-Rs500 Road-Fit Bottom Bracket 41 Mm Diameter With Inner Cover For 86.5 Mm Bottom BracketShimano Bb-Rs500 Road-Fit Bottom Bracket 41 Mm Diameter With Inner Cover For 86.5 Mm Bottom Bracket

                                    Shimano Bb-Rs500 Road-Fit Bottom Bracket 41 Mm Diameter With Inner Cover For 86.5 Mm Bottom Bracket

                                    Complete press-fit bottom bracket assembly for Shimano HollowTech II road 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, inner cover, and inner O-rings Sealed cups keep out...
                                    £22.99
                                    £22.99
                                  • 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 Bottom Bracket

                                      Shimano Bb-Mt801 Bottom Bracket Cups For Fc-Mx70 / Mx71 Hollowtech Ii Chainset 68 Mm Bottom Bracket

                                      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...
                                      £29.74
                                      £34.99
                                      £29.74
                                      Save £5.25
                                    • Sram Bb Dub Pressfit (Road) 86.5Mm Bottom BracketSram Bb Dub Pressfit (Road) 86.5Mm Bottom Bracket

                                        Sram Bb Dub Pressfit (Road) 86.5Mm Bottom Bracket

                                        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
                                        £38.00
                                        £44.00
                                        £38.00
                                        Save £6.00
                                      • Sram Am Bb Dub English/Bsa (Road Wide) 68Mm 2021: Black Bsa Bottom BracketSram Am Bb Dub English/Bsa (Road Wide) 68Mm 2021: Black Bsa Bottom Bracket

                                          Sram Am Bb Dub English/Bsa (Road Wide) 68Mm 2021: Black Bsa Bottom Bracket

                                          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...
                                          £33.00
                                          £38.00
                                          £33.00
                                          Save £5.00
                                        • Shimano Bottom Bracket MTB Press Fit 92/89.5Mm Bottom BracketShimano Bottom Bracket MTB Press Fit 92/89.5Mm Bottom Bracket

                                            Shimano Bottom Bracket MTB Press Fit 92/89.5Mm Bottom Bracket

                                            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...
                                            £22.28
                                            £32.99
                                            £22.28
                                            Save £10.71
                                          • Trek Integrated Shimano Bb90/Bb95 Steel Bottom Bracket Kit Bottom BracketTrek Integrated Shimano BB90/BB95 Steel Bottom Bracket Kit Grey One size

                                              Trek Integrated Shimano BB90/BB95 Steel Bottom Bracket Kit Grey One size

                                              £44.00
                                              £50.00
                                              £44.00
                                              Save £6.00
                                            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.