Durable material: The crank remover is made of high-quality carbon steel material and hardened to increase the hardness of the remover. It will not damage the threads of the cranks and will be used for a long time. Standard size: each bicycle crank puller measures approx. 8 x 2.4 x 2 cm/ 3.15 x 0.94 x 0.79 inches, compact size and light weight. With them, you can store it in a small space and carry it outdoors. Convenient to use: The bicycle crank puller removal tool has a dual-function removable cap, which allows the pulley to be installed on oversized spindles. Longer lever makes it easier to use and much more convenient for your use. Necessary tool: The bicycle crank arm puller is designed to separate the crank from the bicycle's bottom bracket. You can easily repair the bicycle yourself. Widely used: The bicycle crankset remover is used to remove the crank arms from the bottom bracket. The removable head allows installation in a conical design and thus ensures a wide range of applications.