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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  • Sram Bb Gxp Team Cups Bottom BracketSram Bb Gxp Team Cups Bottom Bracket

    Sram Bb Gxp Team Cups Bottom Bracket

    Bb Gxp Team Cups English
    £33.00
    £38.00
    £33.00
    Save £5.00
  • Race Face Cinch Bb92 Bottom Bracket 24Mm External Seal Bottom Bracketrace face bottom bracket cinch bb92 bottom bracket 24mm external seal p124019

    Race Face Cinch Bb92 Bottom Bracket 24Mm External Seal Bottom Bracket

    Allows use of all Race Face, Shimano and select FSA 24mm diameter spindle cranksets (MTN or ROAD) in 41mm diameter Press-Fit (Shimano Type) BB Shell Frames. Precision CNC machined and anodized aluminum alloy cups: More accurate, durable and stable press-fit interfaces than the competitors'...
    £37.76
    £49.95
    £37.76
    Save £12.19
  • Wheels Manufacturing Bb90 Abec-3 Bearings For 24Mm Cranks Bottom BracketWheels Manufacturing Bb90 Abec-3 Bearings For 24Mm Cranks Bottom Bracket

      Wheels Manufacturing Bb90 Abec-3 Bearings For 24Mm Cranks Bottom Bracket

      Replacement ABEC-3 Bearings for Trek BB90 bottom brackets Featuring an internal diameter of 24mm and an external diameter of 37mm High quality steel cartridge bearings for a high quality repair Where most bearings available after market are grade 300 (up to 3/10 of a...
      £16.99
      £16.99
    • Shimano Bottom Bracket Saint Bottom Bracketshimano bottom bracket bottom bracket saint p42470

      Shimano Bottom Bracket Saint Bottom Bracket - Gold

      Genuine Shimano HollowTech II bottom bracket assembly Length of screw thread is increased to enable the fitment of chain devices 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...
      from £27.00
      £39.99
      from £27.00
      Save £12.99
      • Gold
    • Shimano Bottom Bracket 5500 Bottom BracketShimano Bottom Bracket 5500 Bottom Bracket

      Shimano Bottom Bracket 5500 Bottom Bracket

      Splined bottom bracket designed for use with Shimano road Octalink crankset Oversize BB spindle - large 22 mm diameter chrome-moly hollow pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle/crank arm interface - results in a more rigid crank assembly compared...
      £48.44
      £56.99
      £48.44
      Save £8.55
    • Race Face Cinch Pf30 Bottom Bracket 83Mm 30Mm External Seal Bottom BracketRace Face Cinch Pf30 Bottom Bracket 83Mm 30Mm External Seal Bottom Bracket

      Race Face Cinch Pf30 Bottom Bracket 83Mm 30Mm External Seal Bottom Bracket

      FEATURES Standard 6806 retainer bearings Bearings are external to the BB shell resulting in a stiffer wider stance Bearings are factory filled with Phil wood grease Cups are machined for a high tolerance frame fit SPECIFICATION Built for: XC/AM/FR/DH Weight: 106g Colours: Black Compatibilty:...
      £37.76
      £49.95
      £37.76
      Save £12.19
    • Race Face Cinch Bb107 Bottom Bracket 30Mm External Seal Bottom Bracketrace face bottom bracket cinch bb107 bottom bracket 30mm external seal p123993

      Race Face Cinch Bb107 Bottom Bracket 30Mm External Seal Bottom Bracket

      Race Face Cinch BB92 Bottom Bracket FEATURES Custom 19 ball flanged retainer bearings Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size Bearings races are fully coated for improved corrosion resistance Bearings are factory filled with...
      from £41.00
      £64.95
      from £41.00
      Save £23.95
    • Race Face Cinch Bb92 Bottom Bracket 30Mm Double Row External Seal Bottom Bracketrace face bottom bracket cinch bb92 bottom bracket 30mm double row external seal p123973

      Race Face Cinch Bb92 Bottom Bracket 30Mm Double Row External Seal Bottom Bracket

      Race Face Cinch BB92 Bottom Bracket 30mm Double Row External Seal FEATURES Custom 19 ball flanged retainer bearings Allow the use of a 30mm spindle with Shimano press fit shells without decreasing ball bearing size Bearings races are fully coated for improved corrosion resistance...
      from £49.10
      £64.95
      from £49.10
      Save £15.85
    • Shimano Bb-7700 Dura-Ace Bottom Bracketshimano bottom bracket bb 7700 dura ace bottom bracket p109683

      Shimano Bb-7700 Dura-Ace Bottom Bracket - Silver, Black

      Precision engineered Dura-Ace 7700 bottom bracket for road Octalink splined system 22 mm diameter chrome-moly hollow pipe billet axle reduces weight Splined interface provides a more rigid crank assembly compared to tapered counterparts Compound bearing structure - ball and needle bearings support the spindle...
      £97.74
      £114.99
      £97.74
      Save £17.25
      • Silver, Black
    • Shimano Bb-7700 Dura-Ace Bottom Bracket Without Seals Bottom BracketShimano Bb-7700 Dura-Ace Bottom Bracket Without Seals Bottom Bracket

        Shimano Bb-7700 Dura-Ace Bottom Bracket Without Seals Bottom Bracket

        Precision engineered Dura-Ace 7700 bottom bracket for road Octalink splined system 22 mm diameter chrome-moly hollow pipe billet axle reduces weight Splined interface provides a more rigid crank assembly compared to tapered counterparts Compound bearing structure - ball and needle bearings support the spindle...
        £59.49
        £69.99
        £59.49
        Save £10.50
      • Sram Bottom Bracket Dub Spacer Kit MTB/Road V3 (Including 2.0 4.5 5 6.0 6.5 7.5 8.5 9.0 10.5 & 2 Pieces Of 2.5 3.0 5.5Mm) & 2 Standard Bsa 68 Al Spacers Bottom BracketSram Bottom Bracket Dub Spacer Kit MTB/Road V3 (Including 2.0 4.5 5 6.0 6.5 7.5 8.5 9.0 10.5 & 2 Pieces Of 2.5 3.0 5.5Mm) & 2 Standard Bsa 68 Al Spacers Bottom Bracket

          Sram Bottom Bracket Dub Spacer Kit MTB/Road V3 (Including 2.0 4.5 5 6.0 6.5 7.5 8.5 9.0 10.5 & 2 Pieces Of 2.5 3.0 5.5Mm) & 2 Standard Bsa 68 Al Spacers Bottom Bracket

          Sram: Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. SPECIFICATIONSSpares Category: SPACER
          £16.00
          £16.00
        • Praxis Works Bb M30 Thru 386 Evo Bottom BracketPraxis Works Bb M30 Thru 386 Evo Bottom Bracket

            Praxis Works Bb M30 Thru 386 Evo Bottom Bracket

            M30 Thru BBThe Praxis M30 Thru BB is designed to be a proper bottom bracket (BB) for installing the Praxis Lyft Carbon Crank, RaceFace "Cinch", Rotor ¢ ‚¬Å“REX ¢ ‚¬  MTB Crank or CaneCreek eeWings. The Praxis patent pending design keeps the Enduro...
            £41.00
            £45.00
            £41.00
            Save £4.00
          • Praxis Works Bb M30 Road Bb386 Evo Bottom BracketPraxis Works Bb M30 Road Bb386 Evo Bottom Bracket

              Praxis Works Bb M30 Road Bb386 Evo 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,...
              £41.00
              £45.00
              £41.00
              Save £4.00
            • Praxis Works Bb M30 Bb86/Bb90/Bb92 Ceramic Bottom BracketPraxis Works Bb M30 Bb86/Bb90/Bb92 Ceramic Bottom Bracket

                Praxis Works Bb M30 Bb86/Bb90/Bb92 Ceramic Bottom Bracket

                This is the Praxis M30 Press Fit Bottom Bracket (ceramic) for installing a Praxis M30 crank into a BB30, PF30, BB86/90/92, 386EVO, BBRight or Specialized OSBB frame.
                £167.00
                £185.00
                £167.00
                Save £18.00
              • Praxis Works Bb M30 Road Bb386 Evo Ceramic Bottom BracketPraxis Works Bb M30 Road Bb386 Evo Ceramic Bottom Bracket

                  Praxis Works Bb M30 Road Bb386 Evo Ceramic 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,...
                  £144.00
                  £160.00
                  £144.00
                  Save £16.00
                • Praxis Works Bb M24/Sram/Gxp/Isis2 Bb86/Bb92 Bottom BracketPraxis Works Bb M24/Sram/Gxp/Isis2 Bb86/Bb92 Bottom Bracket

                    Praxis Works Bb M24/Sram/Gxp/Isis2 Bb86/Bb92 Bottom Bracket

                    This is our Praxis M24 BSA threaded bottom bracket for installing steel spindle Praxis M24, Oval Concepts M24, and SRAM Gxp cranks into BSA Threaded 68/73mm Road or MTN frame.
                    £41.00
                    £45.00
                    £41.00
                    Save £4.00
                  • Praxis Works Bb M30 Bb Right Road 79Mm R-Collet Ceramic Bottom BracketPraxis Works Bb M30 Bb Right Road 79Mm R-Collet Ceramic Bottom Bracket

                      Praxis Works Bb M30 Bb Right Road 79Mm R-Collet Ceramic 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,...
                      £167.00
                      £185.00
                      £167.00
                      Save £18.00
                    • Praxis Works Bb M30 Bb Right Road 79Mm R-Collet Bottom BracketPraxis Works Bb M30 Bb Right Road 79Mm R-Collet Bottom Bracket

                        Praxis Works Bb M30 Bb Right Road 79Mm R-Collet Bottom Bracket

                        M30 BOTTOM BRACKETS ARE FOR PRAXIS M30 CRANKS WITH 30/28MM STEPPED AXLES. STRAIGHT 30MM AXLES WILL NOT FIT. The Praxis Works M30 BBRIGHT ROAD bottom bracket is our M30 BB for installing M30 spindle based road cranks on BB Right Cervelo road frames. Steel...
                        £68.00
                        £75.00
                        £68.00
                        Save £7.00
                      • Praxis Works Bb M30 Thru MTB 73Mm Bb30/Pf30 R- Collet Bottom BracketPraxis Works Bb M30 Thru MTB 73Mm Bb30/Pf30 R- Collet Bottom Bracket

                          Praxis Works Bb M30 Thru MTB 73Mm Bb30/Pf30 R- Collet Bottom Bracket

                          The Praxis M30 thru bottom bracket is designed to be a proper bottom bracket (BB) for installing the Praxis Lyft Carbon Crank. It will also work with RACE FACE "CINCH" or Rotor "REX" MTB cranks into 73mm BB30/PF30 mountain frames. The Praxis patent pending...
                          £68.00
                          £75.00
                          £68.00
                          Save £7.00
                        • Praxis Works Bb M30 MTB 73Mm Bb30/Pf30 R-Collet Bottom BracketPraxis Works Bb M30 MTB 73Mm Bb30/Pf30 R-Collet Bottom Bracket

                            Praxis Works Bb M30 MTB 73Mm 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
                          • Praxis Works Bb Conv Sram/Gxp/Isis2 MTB 73Mm Bb30/Pf30 Bottom BracketPraxis Works Bb Conv Sram/Gxp/Isis2 MTB 73Mm Bb30/Pf30 Bottom Bracket

                              Praxis Works Bb Conv Sram/Gxp/Isis2 MTB 73Mm Bb30/Pf30 Bottom Bracket

                              The Praxis Works SRAM bottom bracket converter GXP/ISIS 2 is designed to be a proper bottom bracket BB for installing SRAM GXP/ISIS2 cranks in either BB30, PF30, or Specialized €™s OSBB road frames. Our patent pending design keeps the cartridge bearings outboard of the...
                              £68.00
                              £75.00
                              £68.00
                              Save £7.00
                            • Praxis Works Bb Shimano 24Mm MTB 73Mm Bsa Bottom BracketPraxis Works Bb Shimano 24Mm MTB 73Mm Bsa Bottom Bracket

                                Praxis Works Bb Shimano 24Mm MTB 73Mm Bsa Bottom Bracket

                                Our standard BSA English threaded BB is Shimano „¢ compatible. The 7075 T6 alloy cups feature CNC finishing and standard anodizing. Smooth and durable, the high-grade Enduro 2437 steel bearings are fully sealed and are a fantastic replacement BB for your Shimano „¢ drivetrain....
                                £41.00
                                £45.00
                                £41.00
                                Save £4.00
                              • Praxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Ceramic Bottom BracketPraxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Ceramic Bottom Bracket

                                  Praxis Works Bb M30 Road 68Mm Bb30/Pf30 R- Collet Ceramic 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,...
                                  £167.00
                                  £185.00
                                  £167.00
                                  Save £18.00
                                • Praxis Works Bb M30 Bsa Ceramic 68/73Mm Threaded Bottom BracketPraxis Works Bb M30 Bsa Ceramic 68/73Mm Threaded Bottom Bracket

                                    Praxis Works Bb M30 Bsa Ceramic 68/73Mm Threaded Bottom Bracket

                                    M30 BOTTOM BRACKETS ARE FOR PRAXIS M30 CRANKS WITH 30/28MM STEPPED AXLES. STRAIGHT 30MM AXLES WILL NOT FIT. For 68mm ROAD/73mm MTB frames English Threaded BB for installing an M30 Spindle based crank in an English threaded/BSA frame. We based the new Turn cranks...
                                    £144.00
                                    £160.00
                                    £144.00
                                    Save £16.00
                                  • Praxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Ceramic Bottom BracketPraxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Ceramic Bottom Bracket

                                      Praxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Ceramic Bottom Bracket

                                      68mm for Shimano Road Cranks 73mm for Shimano MTB Cranks Ok...so you have BB30, PF30* (Please See Notes in Spec) or a Specialized OSBB frame, but you need to run a Shimano crank? No worries. Our Praxis Works Conversion Bottom Bracket is just what...
                                      £167.00
                                      £185.00
                                      £167.00
                                      Save £18.00
                                    • Praxis Works Bb M30 Thru 68Mm/73Mm Bsa W/Inner Sleeve Bottom BracketPraxis Works Bb M30 Thru 68Mm/73Mm Bsa W/Inner Sleeve Bottom Bracket

                                        Praxis Works Bb M30 Thru 68Mm/73Mm Bsa W/Inner Sleeve Bottom Bracket

                                        M30 Thru BBThe Praxis M30 Thru BB is designed to be a proper bottom bracket (BB) for installing the Praxis Lyft Carbon Crank, RaceFace "Cinch", Rotor ¢ ‚¬Å“REX ¢ ‚¬  MTB Crank or CaneCreek eeWings. The Praxis patent pending design keeps the Enduro...
                                        £41.00
                                        £45.00
                                        £41.00
                                        Save £4.00
                                      • Praxis Works Bb M30 Thru Road 68Mm Bb30/Pf30 R- Collet Bottom BracketPraxis Works Bb M30 Thru Road 68Mm Bb30/Pf30 R- Collet Bottom Bracket

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

                                          All Praxis Products View all bottom brackets Find a stockist M30 Thru BB The Praxis M30 Thru BB is designed to be a proper bottom bracket (BB) for installing the Praxis Lyft Carbon Crank, RaceFace "Cinch", Rotor "REX" MTB Crank or CaneCreek eeWings. The...
                                          £68.00
                                          £75.00
                                          £68.00
                                          Save £7.00
                                        • Praxis Works Bb Conv Sram/Gxp/Isis2 Road 68Mm Bb30/Pf30 Bottom BracketPraxis Works Bb Conv Sram/Gxp/Isis2 Road 68Mm Bb30/Pf30 Bottom Bracket

                                            Praxis Works Bb Conv Sram/Gxp/Isis2 Road 68Mm Bb30/Pf30 Bottom Bracket

                                            The Praxis Works SRAM bottom bracket converter GXP/ISIS 2 is designed to be a proper bottom bracket BB for installing SRAM GXP/ISIS2 cranks in either BB30, PF30, or Specialized €™s OSBB road frames. Our patent pending design keeps the cartridge bearings outboard of the...
                                            £68.00
                                            £75.00
                                            £68.00
                                            Save £7.00
                                          • Praxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Bottom BracketPraxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Bottom Bracket

                                              Praxis Works Bb Conv Shimano 24Mm Road 68Mm Bb30/Pf30 Bottom Bracket

                                              68mm for Shimano Road Cranks 73mm for Shimano MTB Cranks Ok...so you have BB30, PF30* (Please See Notes in Spec) or a Specialized OSBB frame, but you need to run a Shimano crank? No worries. Our Praxis Works Conversion Bottom Bracket is just what...
                                              £68.00
                                              £75.00
                                              £68.00
                                              Save £7.00
                                            • Praxis Works Bb M24/Sram/Gxp/Isis2 Road/MTB 68Mm/73Mm Bsa Bottom BracketPraxis Works Bb M24/Sram/Gxp/Isis2 Road/MTB 68Mm/73Mm Bsa Bottom Bracket

                                                Praxis Works Bb M24/Sram/Gxp/Isis2 Road/MTB 68Mm/73Mm Bsa Bottom Bracket

                                                This is our Praxis M24 BSA threaded bottom bracket for installing steel spindle Praxis M24, Oval Concepts M24, and SRAM Gxp cranks into BSA Threaded 68/73mm Road or MTN frame.
                                                £41.00
                                                £45.00
                                                £41.00
                                                Save £4.00
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