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.

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  • 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 £20.39
    £23.99
    from £20.39
    Save £3.60
    • Silver
  • 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...
    £27.34
    £32.99
    £27.34
    Save £5.65
  • 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

      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...
      £95.30
      £114.99
      £95.30
      Save £19.69
    • Wheels Manufacturing T47 Inboard Angular Contact Bearings For 30Mm Cranks Bottom BracketWheels Manufacturing T47 Inboard Angular Contact Bearings For 30Mm Cranks Bottom Bracket

        Wheels Manufacturing T47 Inboard Angular Contact Bearings For 30Mm Cranks Bottom Bracket - Orange

        T47 threaded BB cups for T47 frames and 30mm diameter spindle compatible cranks. Cups have internal bearings, and can be used in BB shells with widths from 86mm to 121mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily...
        £107.73
        £129.99
        £107.73
        Save £22.26
        • Orange
        • Red
        • Teal
        • Blue
      • 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...
          £38.03
          £45.00
          £38.03
          Save £6.97
        • Sram Am Bb Dub Bb30 (Road Wide) 68Mm 2021: Black Bb30 Bottom BracketSRAM BB DUB BB30 (Road Wide) 68mm (including 2.5, 5.5 DUB spacer) 2021:

            SRAM BB DUB BB30 (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...
            £42.90
            £51.00
            £42.90
            Save £8.10
          • 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...
            £157.95
            £180.00
            £157.95
            Save £22.05
          • Fsa Pf30 Road Bottom BracketFSA PF30 Road BB

              FSA PF30 Road BB

              For SL-K Light, Energy, Gossamer Pro, Gossamer, Assault, Vision TriMax and Omega BB30 crankset Chrome steel BB30 cartridge bearings 84g
              £36.08
              £42.00
              £36.08
              Save £5.92
            • 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

                £42.90
                £50.00
                £42.90
                Save £7.10
              • 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
                • Fsa Bb30 Wave Spring Washer Mw083 Spares & AccessoriesFSA BB30 & 386evo Wave Spring Washer MW083

                    FSA BB30 & 386evo Wave Spring Washer MW083

                    BB30 Wave Spring Washer MW083
                    £3.30
                    £4.00
                    £3.30
                    Save £0.70
                  • 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
                    £18.97
                    £22.99
                    £18.97
                    Save £4.02
                  • 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 £24.38
                    £30.00
                    from £24.38
                    Save £5.62
                  • 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...
                    £116.03
                    £140.00
                    £116.03
                    Save £23.97
                  • Enduro Bearings Spacer Kit Spares & Accessoriesenduro bearings bottom bracket parts bottom bracket spacer kit p108824

                    Enduro Bearings Spacer Kit Spares & Accessories

                    Bottom Bracket Spindle Spacer KitSPK-54104 - 22mm SRAM GXPSPK-54101 - 24mmSPK-54116 - 29mm DUBSPK-54119 - 30mm
                    £12.38
                    £15.00
                    £12.38
                    Save £2.62
                  • Wheels Manufacturing Pf30A Out Abec-3 30 Bottom BracketWheels Manufacturing PF30A Outboard ABEC-3 Bearings For 30mm Cranks

                      Wheels Manufacturing PF30A Outboard ABEC-3 Bearings For 30mm Cranks

                      The two machined aluminium cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement Specifically designed for installing 30mm spindle cranks...
                      £111.87
                      £134.99
                      £111.87
                      Save £23.12
                    • Wheels Manufacturing Bsa Threaded Frame Abec-3 Bearings For 29Mm Cranks (Sram Dub) Purple Bottom Bracket

                        Wheels Manufacturing BSA Threaded Frame ABEC-3 Bearings For 29mm Cranks (SRAM DUB) - Purple

                        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...
                        £95.30
                        £114.99
                        £95.30
                        Save £19.69
                      • Wheels Manufacturing Bb86/92 Threaded Abec-3 Bearings 24Mm Purple Bottom Bracket

                          Wheels Manufacturing BB86/92 Threaded ABEC-3 Bearings For 24mm Cranks - Purple

                          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...
                          £95.30
                          £114.99
                          £95.30
                          Save £19.69
                        • Race Face Cinch Bsa30 Bottom Bracket 83Mm Bottom BracketRace Face Cinch Bsa30 Bottom Bracket 83Mm Bottom Bracket

                          Race Face Cinch Bsa30 Bottom Bracket 83Mm Bottom Bracket

                          FEATURES Standard 6806 retainer bearings Bearings are factory filled with Phil Wood grease Cups are machined for a high tolerance frame fit Includes an industry exclusive inner sleeve to protect against water ingress Race Face BSA30 cups are installed with a RF BSA30 cup...
                          £36.82
                          £49.95
                          £36.82
                          Save £13.13
                        • Praxis Works Bb Conv Shimano 24Mm T47 I.B. Road 85.5Mm Bottom BracketPraxis - BB CONV - Shimano 24mm T47 I.B. Road 85.5mm

                            Praxis - BB CONV - Shimano 24mm T47 I.B. Road 85.5mm

                            The NEW T47 I.B. Shimano BB for installing a Shimano Hollowtech II cranks into a T47 I.B. 85.5mm internal bearing frames. ¢ ‚¬ ¢ For Shimano Hollowtech II cranks only. ¢ ‚¬ ¢ 7075 T6 AL cups | For T47 I.B. 85.5mm road frames....
                            £43.88
                            £50.00
                            £43.88
                            Save £6.12
                          • FSA Bottom Bracket - BB30/PF30 to 24mm BB V15FSA BB30/PF30 to 24mm BB

                              FSA BB30/PF30 to 24mm BB - Black

                              Allows the installation of FSA ˜24mm axle MegaExo cranksets as wells as Shimano HollowTech II cranksets into BB30 & PF30 bottom braket shells Aluminium convered in plastic for Energy, Gossamer Pro, Gossamer and Vision TriMax megaExo crankset
                              £34.77
                              £40.99
                              £34.77
                              Save £6.22
                              • Black
                            • Sram Bottom Bracket Shield And Wave Washer Assy Pressfit Gxp Road Bottom BracketSRAM Road Spare - Bottom Bracket Shield and Wave Washer Assy PressFit GXP Road:

                                SRAM Road Spare - Bottom Bracket Shield and Wave Washer Assy PressFit GXP Road:

                                Sram Road Bottom Bracket Shield and Wave Washer Assy PressFit GXP Road
                                £9.90
                                £12.00
                                £9.90
                                Save £2.10
                              • 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

                                  Shimano BB-RS500 Road-fit bottom bracket 41 mm diameter with inner cover, for 86.5 mm

                                  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...
                                  £18.97
                                  £22.99
                                  £18.97
                                  Save £4.02
                                • 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

                                    Shimano BB-MT801 bottom bracket cups, English thread cups, 68 / 73 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 Compatible with 68 mm and 73...
                                    £29.00
                                    £34.99
                                    £29.00
                                    Save £5.99
                                  • Sram Bb Dub English/Bsa Threaded (MTB) 69/73Mm Bottom BracketSRAM BB DUB English/BSA 68/73mm/73 Road Wide (including 2.0, 3.0, 4.5 DUB spacer and 2.5 alu inner spacer):

                                      SRAM BB DUB English/BSA 68/73mm/73 Road Wide (including 2.0, 3.0, 4.5 DUB spacer and 2.5 alu inner spacer):

                                      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...
                                      £32.18
                                      £38.00
                                      £32.18
                                      Save £5.82
                                    • Enduro Bearings Bb86/92 Bb Xd15 Pro Dub Bottom BracketEnduro Bearings BB86/92 - BB - XD15 Pro A/C Silver 29mm XD-15 BB86/92 Lifetime

                                        Enduro Bearings BB86/92 - BB - XD15 Pro A/C Silver 29mm XD-15 BB86/92 Lifetime

                                        BKC-7022 - Press-In, Ceramic-Hybrid, XD-15, Flanged, Double-Row Bottom Bracket solution for BB86/92 framesets to SRAM DUB cranksetsThis press-in solution allows you to fit your SRAM DUB cranks directly into your BB86/92 frameset. It's a tight fit with the limiting factor of just 41mm inner...
                                        £240.83
                                        £275.00
                                        £240.83
                                        Save £34.17
                                      • 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):

                                          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
                                          £4.13
                                          £5.00
                                          £4.13
                                          Save £0.87
                                        • Fsa Bb30 Right Side Adjust Spacer Mw114 Spares & AccessoriesFSA BB30 RIGHT SIDE ADJUST SPACER MW114

                                            FSA BB30 RIGHT SIDE ADJUST SPACER MW114

                                            BB30 RIGHT SIDE ADJUST SPACER MW114
                                            £3.30
                                            £4.00
                                            £3.30
                                            Save £0.70
                                          • Ceramicspeed Ceramicspeed Threaded And Pf46Mm Cup Shimano Service Kit Spares & AccessoriesCeramicSpeed CeramicSpeed Threaded BSA, PF46, 24mm Shimano Service Kit

                                              CeramicSpeed CeramicSpeed Threaded BSA, PF46, 24mm Shimano Service Kit

                                              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.
                                              £13.20
                                              £16.00
                                              £13.20
                                              Save £2.80
                                            • Ceramicspeed Bb86 For Shimano Service Kit Spares & AccessoriesCeramicSpeed BB86 for Shimano Service Kit

                                                CeramicSpeed BB86 for Shimano Service Kit

                                                BB86 for Shimano Service KitCrank Compatibility: Shimano / 24mm spindleFrame/cup: BB86In the box: 2 bearing seals. 2 bearing dust covers. 5ml CeramicSpeed All Round Grease.
                                                £16.50
                                                £20.00
                                                £16.50
                                                Save £3.50
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