SNAIL ใบจานหน้า ใบจานเดี่ยว จักรยานเสือภูเขา 40T/42T ส่งจากไทย

Product Description 40T , 42T Specifications: Material: 7075 T6 aluminum alloy Type: Single speed Shape: Round/Oval Size: 40T,42T Compatibility: 8,9,10,11 speed chain BCD: 104BCD Thickness: 4mm Feature: 1. The new narrow-wide teeth design increases chain retention, wear life and reduces friction and noise. 2. Super durable and lightweight 3. Easy to install and fits perfectly the 104mm bolt pattern. Installation Note: 1. This chainring fit for 8/9/10/11 speed, not fit XT M8000 2. Please determine your crank BCD specification carefully before buying.