Park Tool CWP-7 Crank Puller for Bicycle Maintenance Introducing the versatile Park Tool CWP-7 Crank Puller. This essential bicycle maintenance tool features two rotating tips with sizes of 11.3mm and 16.3mm. This Crank Wrench and Puller is designed to be compatible with a wide range of bottom bracket interfaces, making it a must-have tool for every cycling enthusiast. With built-in wrench flats, the Park Tool CWP-7 ensures a firm grip and easy crank removal. Whether you're working on a square taper, Octalink, ISIS Drive, Power Drive or Power Spline bottom bracket interface, this tool guarantees a seamless operation. Compatible with a variety of bottom bracket interfaces Features two rotating tips (11.3mm and 16.3mm) Incorporates built-in wrench flats for a firm grip Designed for easy and efficient crank removal