SEALED CARTRIDGE BB

 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...

 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 bracket Each bottom bracket is hand assembled with a chromoly spindle, sealed bearings, forged and CNC-machined alloy cups and a composite center spacer/seal 68mm ENG SQR JIS 108mm Chromoly

 Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel cups Double snap seals for water and dirt protection Compatible with FSA Powerdrive cranks 68mm ENG PWD 113mm Steel 325g

 Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel cups Double snap seals for water and dirt protection Compatible with FSA Powerdrive cranks 73mm ENG PWD 113mm Steel 325g

 Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel cups Double snap seals for water and dirt protection Compatible with FSA Powerdrive cranks 68mm ENG PWD 118mm Steel 325g

 Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel cups Double snap seals for water and dirt protection Compatible with FSA Powerdrive cranks 73mm ENG PWD 118mm Steel 325g

 Forged hollow SCM4130 chromoly spindle Industrial 600KRS cartridge sealed bearings with oversized diameter 3/16 Cold forged steel cups Double snap seals for water and dirt protection Compatible with FSA Powerdrive cranks 68mm ENG PWD 108mm Steel 325g

 Cold forged aluminum cups Forged hollow chromoly spindle Three industrial sealed cartridge bearings  Composite anti-creak sleeve External water seals 100mm ENG ISIS 148mm Alloy

 Cold forged aluminum cups Forged hollow chromoly spindle Three industrial sealed cartridge bearings  Composite anti-creak sleeve External water seals 68mm ENG ISIS 108mm Alloy 225g

 Cold forged aluminum cups Forged hollow chromoly spindle Three industrial sealed cartridge bearings  Composite anti-creak sleeve External water seals 68mm  ENG ISIS 118mm Alloy 225g

 Cold forged aluminum cups Forged hollow chromoly spindle Three industrial sealed cartridge bearings  Composite anti-creak sleeve External water seals 68mm ENG ISIS 113mm Alloy 225g