【Premium and Reliable】: Bike chain tensioner and kit packages are made of high quality aluminum alloy and stainless steel material, which is wear resistant, rust resistant, sturdy, and durable.
【High Performance】: Ensures perfect tension for your chain to make you pedal with less effort, suitable for long time outdoor riding.
【Easy Installation】: This chain tensioner kit mounts right onto a mountain bike derailleur hanger to provide a simple, effective, and adjustable way to tension a single speed system.
【Functional】: Bike single speed conversion kit can change multi speed bike into single speed bike.
【Package Contains】: 1 Chain Tensioner, 5 Single Speed Spacer with Lock Ring, 2 Wrench with Spacers, 1 Single Speed Cassette, and 1 Torque Regulator.