PARK TOOL HCW-16. 3 CHAIN WHIP/PEDAL WRENCHI WHIP MY CHAIN BACK AND FORTHPedals can be tough to take off and require a lot of torque. Cassettes are also tough to get off and require special tools for removal. The Park Tool HCW-16. 3 Chain Whip/Pedal Wrench is a combination 15mm pedal wrench and chain whip so you can remove your pedals and your cassette. The chain whip portion is compatible with 5-speed to 12-speed mountain and road bike cassettes and freewheels. At 10. 75" long, you'll have no issues using this tool. Features15mm pedal wrench for the installation and removal of your pedals Chain whip that is compatible with 5 to 12-speed cassettes and freewheels Manufacturer's part number: HCW-16. 3UPC: 763477003683 | Park Tool | Hcw-16. 3 Chain Whip/pedal Wrench 5-12 Speeds Chain, 15Mm Pedal Wrench