Bike Derailleur Cassette Removal Tool - Contents: 1 x chain whip, 1 x crank puller, 1 x crank puller, 1 x sprocket puller. High quality steel construction, rust protected and durable. Indispensable tool for fitting and removing the crankset or bottom bracket bearing on the bike. The 5 tools fulfill their function perfectly. Crank extractor One end can be used to remove the square-hole crankset; one end can be used to remove the bolt from the old bottom bracket bearing. You must bring your own 58 or 16mm wrench or just use an adjustable wrench. Suitable for ordinary square cranksets. 3 in 1 sprocket wrench with chain - Made of high quality steel, with a weight of approximately 210g. It is mainly used for assembly and disassembly of the drive shaft integrated with thread. If you disassemble the freewheel, block it so that it does not turn. Remove the old spline shaft, assemble and disassemble the single-stage freewheel. Sprocket puller It is made of carbon steel with the surface treated against rust. It has a long lifespan and is easy to use. It is used to remove or install a freewheel from a sprocket cassette. Crank Arm Puller This can be used to disassemble the crankset from the bicycle and carry out daily maintenance of the bicycle without damaging the components. The crank arm puller can be used with a spanner or wrench. Suitable for cranksets of any brand.