Key benefits Durable 45 steel construction provides sturdy, longlasting performance for reliable crankshaft pulling. 16/22 tooth design optimizes gear ratio for smooth power delivery and improved engine performance. Wide compatibility with 50cc and 80cc engine models supports maintenance or upgrades across different displacements. Standardized, user friendly design enables easy installation, reducing downtime and installation costs. Specifications and features Material: grade 45 steel for strength and durability Gear teeth: 16 and 22 tooth design for optimized transmission Compatibility: suitable for 50cc and 80cc engine models Installation: easy, standardized design to simplify maintenance Use scenarios Routine maintenance on 50cc or 80cc motorcycles during engine rebuilds or part replacement Upgrading older 50cc/80cc engines to improve power delivery and engine smoothness Workshop use for quick, standardized crankshaft pulling rod replacements to minimize downtime and labor costs