C-BEAR BB90/95 Trek Shimano MTB / Cyclocross Bottom Bracket 37 x 90.5-95.5 mm

C-BEAR BB90 Trek Shimano MTB / Cyclocross bottom bracket - for Trek framesGrab the C-BEAR BB90 Trek Shimano MTB / Cyclocross bottom bracket if you want to fit a Hollowtech II crank (or other 24 mm crank) into a Trek MTB or Road frame. The sealed, specially