HPI One Way Bearing For HPI Nitro Star G3.0 / S-25 / F Series Engine 1430

This is the One-Way bearing for the HPI Nitro Star 21BB engine.        

 ** Also fits the Roto Start for the Savage.**                

This One-Way Bearing allows the recoil starter to grab             

 the crankshaft to start the engine and spin freely in the opposite direction.

Features:     

Steel construction

Includes: 

• One one-way bearing                                                  
• One installation instruction sheet

Required:  

• Installing in recoil unit     

Specifications: 

• Overall Length:   12mm (.472")                                       
• Hex Width:        12mm (.472")                                       
• Inner Diameter:    6mm (.218")