Vòng Bi Ròng Rọc 11T 13T Bằng Nhôm Bền Chống Bụi Chống Nước Cho Xe Đạp Leo Núi

Quantity:1pc
Color:Black/Red/Blue/Green/Purple/Gold/Silver/Pink
Weight: 11T 6.9g 13T 8.8g
Brand new with high quality
Specification: Guide wheel with 4/5/6mm shaft
Material: 7075 high-strength aluminum alloy + metal Palin
7075 aluminum alloy material. Support most dialing on the market, support 7/8/9/10 speed!
For the purchase of 11T and 13T, 13T is usually considered for long-tail rear dialing, otherwise 11T guide wheels are used.
Size: 11T diameter of about 41mm, 13T diameter of about 49mm
Name: Rear guide wheel
Guide wheel selection rules:
Please try to use the same size as the original guide wheel. There is no difference, you can choose smaller than the original guide wheel, but you can not choose a large.
Selection principles:
1: Use the same size as the original guide wheel as far as possible, and there is no difference. You can choose smaller than the original guide wheel, and you can not use large ones.
2: The guide wheel and the tension wheel are not distinguished. Some original rear guide wheels and the tension pulley are not the same in size and can be replaced. It is necessary to re-adjust the length of the chain.
Package Include:
1pc Bike Pulley
Notice:
1.1cm=10mm=0.39inch.
2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.
3.Please understand that colors may exist chromatic aberration as the different placement of pictures.