This thread type bottom bracket will provide you an easy and smooth riding experience.

Feature:
For 66-73mm bottom bracket shell and 24mm crank shaft.
Thread type BB fit for mountain bike, and thread type is 1.37*24T.
Sealed ceramic bearing provide smooth rotation.
Aluminum alloy construction for long service time.

Specification:
Material: Aluminum alloy & PP
Color: Black / Red (optional)
Model: Ceramic bearing / Ordinary bearing (optional)
Total length of BB: 98mm / 3.9in
Inner diameter of BB: 24mm / 0.9in
Outer diameter of BB: 41mm / 1.6in
Weight of BB: 104-107g / 3.7-3.8oz
Package weight: 109-113g / 3.8-4.0oz

Package list£º
1 * Bottom Bracket
3 * Gasket