Thru-Axle 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 12 mm Thru-Axle dropouts, Prevents the chain from slapping against delicate and painted frame surfaces, High-density, solvent resistant, bio-based PA56 roller is easy on your chain, yet incredibly durable, CNC machined aluminum body is corrosion-resistant and comfortable in-hand, Tool-free, easy-install design makes use simple and effective for beginner or professional bike mechanic, Sustainability Ability Group (SAG) approved - bio-based material, low packaging volume, and mono-material for easy recycling