SQUARE TAPER

Affordable, high-performance square taper bottom bracketHand assembled with a chromoly spindle, sealed bearings and forged and CNC-machined alloy cups68mmENGSQR JIS108mmAlloyBlack

Affordable, high-performance square taper bottom bracketHand assembled with a chromoly spindle, sealed bearings and forged and CNC-machined alloy cups68mmENGSQR JIS113mmAlloyBlack

Box Two™ Square Taper Cromo Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracketEach bottom bracket is hand assembled with a chromoly spindle, sealed bearings, forged and CNC-machined alloy cups and a composite center spacer/seal68mmENGSQR JIS108mmChromoly

Affordable replacement bottom brackets with forged chromoly spindlesSteel cups with sealed cartridge bearings featuring oversized 3/16` ball bearings68mmENGSQR JIS103mmSteel295gSilver

Affordable replacement bottom brackets with forged chromoly spindlesSteel cups with sealed cartridge bearings featuring oversized 3/16` ball bearings68mmENGSQR JIS110mmSteel295gSilver

Affordable replacement bottom brackets with forged chromoly spindlesSteel cups with sealed cartridge bearings featuring oversized 3/16` ball bearings68mmENGSQR JIS113mmSteel295gSilver

Affordable replacement bottom brackets with forged chromoly spindlesSteel cups with sealed cartridge bearings featuring oversized 3/16` ball bearings68mmENGSQR JIS118mmSteel295gSilver

Affordable replacement bottom brackets with forged chromoly spindlesSteel cups with sealed cartridge bearings featuring oversized 3/16` ball bearings68mmENGSQR JIS122mmSteel295gSilver

Steel bodySteel cupsChromoly spindleSealed bearings88mmENGSQR JIS140mmSteel305-320g

 With precision sealed bearings and cold-forged, aluminum CNC machined cups, Box One Titanium Square Taper bottom brackets are the best option for young BMX racers and other users of three piece cranks in search of performance gains and weight savings Hollow, custom titanium-nitride coated titanium spindles and carbon fiber center seals, helping keep the weight down between 185 and 190 grams Other features include cups that are anodized black with anodized gold inner seals, and...

 With precision sealed bearings and cold-forged, aluminum CNC machined cups, Box One Titanium Square Taper bottom brackets are the best option for young BMX racers and other users of three piece cranks in search of performance gains and weight savings Hollow, custom titanium-nitride coated titanium spindles and carbon fiber center seals, helping keep the weight down between 185 and 190 grams Other features include cups that are anodized black with anodized gold inner seals, and...

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 113mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 73mm ENG SQR JIS 113mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 73mm  ENG SQR JIS 116mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 73mm  ENG SQR JIS 122.5mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR ISO-CMPY 115mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR ISO-CMPY 102mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR ISO-CMPY 111mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 103mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 107.5mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 110.5mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 116mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 118mm Alloy 220-240g

 CNC machined hollow chromoly spindle Sealed bearings Forged alloy cups 1.37` x 24 TPI English thread SHIMANO Equivalent BB-UN55 68mm  ENG SQR JIS 122.5mm Alloy 220-240g

 Designed for fat tire bikes Chromoly spindle Sealed bearings 100mm ENG SQR JIS 164mm Steel

 High quality cartridge bottom bracket for use on square taper cranks, and Sugino 75 109mm spindle with symetrical overhang Incredible strenth and durability Requires Sugino BB tool kit for installation (not included) 68mm ENG SQR ISO 109mm Chromoly

 Replacement fat bike bottom bracket with square taper chromoly spindle Sealed bearings Steel shell and cups 120 x 180mm length 1.37` x 24T english thread 120mm ENG SQR JIS 180mm Steel

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 103mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 111mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 113.5mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 115mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 118mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 122mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 127mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 111mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 113.5mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 118mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 122mm Steel 305-320g

 Steel body Steel cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 127mm Steel 305-320g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 107mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 111mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 113.5mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 115mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 118mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 122mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 127mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 107mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 111mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 113.5mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 115mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 118mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 70mm ITL SQR JIS 127mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 107mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 111mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 113.5mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 118mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 122mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 73mm ENG SQR JIS 127mm Alloy 290-300g

 Forged steel body Alloy cups Chromoly spindle Sealed bearings 68mm ENG SQR JIS 103mm Alloy 290-300g