BAOSITY Bike Single Speed Conversion , Chain Tensioners Portable Repairing Easy Installation Speed Converter Single Speed Cassette Black 17T

[Premium and Reliable]: Bike chain tensioner and kit packages are made of high quality aluminum alloy and stainless steel material, which is wear resistant, sturdy, and durable. [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. [Package Contains]: 5 Spacers, 1 Flywheel Cover, 1 Flywheel, 1 Double Guide Wheel Chain Tensioner, 3 Wrenches, 1 Torque Adjuster. [High Performance]: Ensures perfect tension for your chain to make you pedal with less effort, suitable for long time outdoor riding. [Functional]: Bike single speed conversion kit can change multi speed bike into single speed bike. Specification:Material: Aluminum Alloy, Stainless SteelSize Chart:10cmx6.4cmx2.75cm/3.94inchx2.52inchx1.08inchPackage Includes:5 Base Spacers1 Flywheel Cover1 Flywheel1 Double Guide Wheel Chain Tensioner3 Wrenches1 Torque AdjusterNote:Please allow slightly errors due to manual measurement and different monitors.