PRO QUALITY CHAIN WHIP & PEDAL WRENCH: A DREAMING TOOL! 2 in 1 professional toolset of chain whip on one head, another head with two 15mm openings pedal wrench! It is perfectly designed for installing and removing cassettes off the hub body, as well as mounting and disassembling pedals from cranks without scratching the crank arms. The chain whip tool is compatible with all Shimano, SRAM, and HG System 7 12 speed cassettes. NOTE: This is NOT COMPATIBLE WITH screw-on type freewheel and Sram XD. VERSATILE LOCKRING TOOL: The lockring tool keeps the cassette from rotating while removing and installing the lockrings from thru-axle hubs, and its heat-treated steel base can be used in conjunction with a socket or wrench. Compatible with Shimano HG, Sram, and other 24mm diameters cassettes. MADE TO LAST: The toolset is made of durable heat-treated steel which prevents it from bending and wearing off through years of use, while the ABS plastic long handles of the chain chip pedal wrench tool provide a secure and comfortable grip as well as better leverage during the operation.