Durable carbon steel crank puller for reliable service - Made of carbon steel for strength, rust and corrosion resistance, and long-lasting performance - Not easy to break, reliable and stable for easy disassembly of bicycle cranks Complete repair kit included - Includes 1 crank puller, 1 bottom bracket remover, and 1 wrench - Bottom bracket remover can be used with a 23mm socket, standard wrench, or adjustable wrench Easy to use and time-saving - Practical design allows smooth application of force and better leverage - Helps save effort and time during crank removal and bottom bracket maintenance - A solid choice for home bicycle mechanics and routine maintenance Ergonomic and user-friendly - Non-slip handle on the bottom bracket wrench with smooth edges to prevent palm scratches - Lightweight, comfortable to use, and suitable for outdoor cycling and home repair Practical use scenarios - At-home bike maintenance: remove worn or damaged cranks and service bottom brackets in your own workshop - Routine upkeep during outdoor cycling trips: perform quick crank removal and bottom bracket checks on the road - Home garage setup: a reliable, all-in-one tool kit for any bicycle mechanic's needs Key attributes - Function: crank puller and bottom bracket remover toolkit - Compatibility: bottom bracket remover works with 23mm sockets/wrenches/adjustable wrenches - Material: carbon steel - Performance: durable, rust- and corrosion-resistant, easy to disassemble crank arms