Box components Box One Titanium Square-Taper ENG Bottom Bracket 68mm SQR JIS MFPN=BAD2602 6 Upper Cup 42mm Primary

6 Upper Cup 42mm Primary Color Green

When you need to go really big reach for the 38

spindle CrMo size 9/16" color tan weight 325g

and a vastly superior range of adjustability

Box components Box One Titanium Square-Taper ENG Bottom Bracket 68mm SQR JIS MFPN=BAD2602 6 Upper Cup 42mm PrimaryWith 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