Made of high quality metal material, it is durable and sturdy
The transmission for mountain bike 7 speed, 21 speed
Unique guide wheel screw, easy to operate the speed performance
Size: 14*7*6cm
GUARANTEE: If you have any problem with this product, you can just take advantage of our 180 days warranty. We will replace it or give your money back for any reason

Technical Details

Product Details

Package Dimensions
Width : 3.86 inch
Height : 3.15 inch
Length : 5.98 inch

Shipping Weight: 9.6 ounce (View shipping rates and policies)

ASIN : B073GJLHV2