QiK Deraileur Oversize Pulley Wheel System - SRAM eTap

Description

Cages are made of Toray T700 high modulus carbon fiber, Ceramic bearing, Increases the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur Top Pulley : 12T, Lower Pulley : 18T, Total Weight: 49g, Fit with SRAM RED ETAP only Won't fit Regular Scram Red Mechanic Derailleur, Works with 40t Cassette Cog max, it will be a good choice for Road bike / CycloCross / Gravel Setup