SHIMANO's SM-CRE50 STEPS E5000 chainring features a symmetric and narrow Q-factor design for 9/10/11-speed drive units. The 3-piece construction includes a Square bottom bracket axle serration and the chainring is offered in both 44T and 38T options.
- Symmetric and narrower Q-factor design than current E6000 series
- Normalization and unification of chainline for various system
- 3-pieces construction with Square bottom bracket axle serration
- Chain ring teeth: 44T, 38T