yotijar Bike Bottom Bracket Portable Threaded BB for Mountain Bike Cycling Accessory.This bike bottom bracket is made of aluminum alloy material, which is solid and sturdy with a long service time.This bottom bracket features an integrated hollow design that effectively reduces weight, makes the more lightweight and flexible during riding.This bottom bracket is easy to install and easy to use, and the press fit design can improve rigidity.Length measure about 9.5cm/3.74inch, suitable for 68-73mm bottom bracket shell.Thread type bottom bracket fit for mountain bike, road bike, BMX bike, etc.Thread Type Mountain Bike Bottom Bracket. Screw in Bottom Bracket Crankset Parts. Mountain Road Bike Axis Bottom Bracket. Aluminum Alloy Bike BB Replacement with Washer. Crankset Repair Component Parts Accessory.
