Cycling Frame Gear Tail Hook Extenders Bicycles Rear Derailleur Hanger Extension Bicycles Frame Gear Tail Hook Extenders

Features: Suitable for a wide ranges of cassettes, from 40T to 52T mountain bike cassettes, to 34T to 42T road bike cassettes. By extending the derailleur hanger by 40mm, this derailleur hanger extension effectively prevents interferences between the guide wheel and the large gear. Make of aluminum alloys, with excellent tensile and torsional resistance. The adjustable design of the bike derailleur hanger extenders can easily adjust the front and rear angles to accommodate different cassettes size and speeds. This bike frame tail hook use hollows cut design to strikes a balance between strength and weight.

Specifications: Component: Aluminum alloys Color: Red Color/Black Size: about 63x23mm/2.48x0.91inch Applicable: 34-52T flywheel

Package Includes: 1set Bike Rear Derailleur Hanger extenders

note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.