For Shimano STEPS E-Bike drive systems, the SM-CRE61 chainring features a modern design and the option of double, single, or no chain guards for 9/10/11-speed drive units.  
Discipline: E-Bike  
Compatible drive unit: E6100/E6180  
Compatible crank arms: FC-M8050, FC-E8050, FC-E8000, FC-E6100   
Speeds: 9/10/11-speed  
Chainline: 46.5mm  
Chainguard: No Chainguard  
Model number: SM-CRE61  
Chainring size: 38T  
Colour: Silver  Compatibility:  
Fits the following Shimano Steps E-Bike crank arms:  FC-M8050, FC-E8050, FC-E8000, FC-E6100  
Compatible with 9, 10 and 11-speed chains