Suspension Extension Road Bike Rear Derailleur Hanger Extension Frame Tail Hook Extension

Features:
Made of premium aluminum alloy, CNC manufacturing, strong and firm, very durable.
Great accessory for cycling enthusiasts, perfect replacement for your old or worn one.
4 colors available, give your mountain bike some individuality.
It is easy to install and remove, even if you are a hobbyist.
Suitable for Shinano, Sramn, Sumrace 40T/42T/46T freewheel installation instead of long expansion screws, makes expansion freewheel change more smooth.

Specification:
Condition: 100% Brand New
Material: Aluminum Alloy
Color: Red
Size: Approx. 45 * 23mm / 1.7 * 0.9in
Package weight: approx. 13g
Application: Suitable for Shinano, Sramn, Sumrace 40T/42T/46T freewheel installation instead of long expansion screws, make expansion freewheel change smoother

Package included:
1 * derailleur hanger extension
1 * screw

Note:
1 . In principle, it is correct to use it when the road bike is equipped with a large MTB flywheel. But that also applies to most mountain bike shifts.
2. If it doesn't feel smooth, please use us to give you a special stainless steel extension screw! We will give you two ways to fit your 40/42T/46T shifting system!