FEEDBACK SPORTS Chain Keeper 17330

Chain Keeper Protects rear derailleur by maintaining chain tension when the rear wheel is removed, Ideal bike service tool for washing, tune-ups and traveling, Accommodates road bikes, cyclocross bikes, mountain bikes, electric bikes, fitness bikes and more, Fits standard 9 mm Quick-Release style dropouts, Fits 12 mm Thru-Axle dropouts, Prevents the chain from slapping against delicate and painted frame surfaces, High-density Delrin* roller is easy on your chain, yet incredibly durable, CNC machined aluminum body is corrosion-resistant and comfortable in-hand, Tool-free, single-hand design makes use simple and effective for beginner or professional bike mechanics