Description:

Made of aluminum alloy material, CNC workmanship, solid, firm and high strength.
Compatible with 40T - 52T Mountain Bike Cassette
Expand the flywheel speed change more smoothly.
Adding this product in the original bicycle eral dial hook the converter, you can easily solve the troubles you encounter.
Great accessory for cycling enthusiasts.

Specification:

Material: Aluminum Alloy
Size (Length): 63mm/2.48inch
Aperture:41mm/1.61inch

Package Includes:

1 Piece Bike Tail Hook with Accessories

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful on-line shopping!