High-quality Materials-The rear guide wheel is made of aluminum alloy and ceramic materials, so it is very .
Speed Shifting-Support various variable speed effects. Suitable for most mountain bikes, dont worry about not being suitable for your bike.
Applicable Size-The ceramic bearing rear pulley is suitable for 4/5/6 mm guide wheel screws.
Practical Tools-lightweight and , it is an essential accessory for . To provide you with a better riding experience.
Guarantee-If you are not satisfied with the received our products, you can send us an email at any time. We will reply you immediately and help you solve the problem.