HUIOP Bike Bottom Bracket, MTB Mountain Bike Bicycle Cycling Thread Type Bottom Bracket Aluminum Alloy 68mm/73mm BB Crank Set Bearing Parts
$10.88
Description
For 66-73mm bottom bracket shell and 24mm crank shaft..bearing provide smooth rotation..Thread type BB fit for mountain bike, and thread type is 1.37*24T..Aluminum alloy construction for long service time.
