1.[ Bike Tool Kit For The Removal And Installation Of The Flywheel ]: This bike repair kit is mainly used for the installation and removal of the bicycle flywheel. It can be used for road bikes, mountain bikes and other bycicles. It is an essential tool for your outdoor riding. 2.[ Bike Repair Kit Compatible With Any 20-tooth Splint Bottom Bracket]: The Bottom Bracket Tool is compatible with any 20-tooth splint bottom bracket. It is best to use with a 24mm socket, wrench or adjustable wrench. 3.[ Bike Tool Kit For 8, 9, and 10 Variable Speed Flywheels]: The flywheel chain remover in the bike repair kit is suitable for 8, 9, and 10 variable speed flywheels. When removing the flywheel, the flywheel must be fixed to prevent damage to the flywheel. 4.[ Bike Chain Tool With High-quality & User-friendly Design]: The bike tool is made of high-strength steel, which is very strong and durable. After heat treatment, the chain whip and cassette removal tool can effectively prevent bending during use. The non-slip coating on the surface of the chain whip and wrench makes it more comfortable and convenient to use. 5.[ Bike Chain Tool With Complete Tools ]: The bike tools includes a crank extractor, a bottom bracket remover, a 16mm wrench, a flywheel chain whip remover and a cassette removal tool. This makes it suitable for any brand of bicycle bottom bracket.