Crank Puller - Square Tapered• Suitable for all cranks using 22 mm x 1 threads and square tapered bottom brackets• Fits SRAM® Power Spline™ cranks using the 8 mm threaded bolt • Compatible with BNI cranks on Bosch® life electric bikes : For cranks using the ISIS Drive™ or Octalink® system, use the CCP-44 or the CWP-7.The CCP-22 is designed for cranks with M22 x 1.0 extractor threads. Cranks found on some fitness machines use non-standard extractor threads and are not compatible with Park Tool crank extractors. Please check with the equipment manufacturer for tool recommendations.