Feature

●Material: The center shaft of the bicycle is made of aluminum alloy for a comfortable step, reducing noise, and maintaining strength while remaining lightweight. This bicycle center shaft is made of high strength aluminum alloy, which enhances lateral stability and is less likely to loosen and eliminate noise
●Integrated Sealing: This bike center shaft uses an integrated seal to keep lubricant in the bearing. Bike crank bottom bracket is dustproof and waterproof, which extends service life and is suitable for harsh riding environments
●Sturdy and Stable: High strength aluminum alloy, enhance lateral stability, press bottom bracket is not easy to loosen and eliminate noise
●2 Fine Adjustment Washers: Two fine adjustment washers allow you to adjust the chain center line distance of the crank ring for convenient use
●PRECISION MACHINING: Our motorcycle center shaft is precision machined to extend service life and high strength center shaft provides excellent sealing performance


Description

Specifications:
Item Type: Bike Center Shaft
Material: Aluminum Alloy, Shield Bearing, Nylon
Total Weight: 134g/4.7oz
Outer Diameter: 49mm/1.9"
Inner Diameter: 30mm/1.2"
Compatible Frame Bottom Bracket Width: 86.5mm/3.4in

Package list: 1 x bike center shaft 2 x washers