These upper assemblies are the perfect combination of value and quality

Fit: Relaxed fit for on-bike performance and off-bike styling

Exchangeable padding

Chain retention is greatly improved thanks to the Dynamic Chain Engagement tooth profile and the 178mm Q-factor and 55mm chainline is compatible with 148mm (Boost) rear hub spacing

Shimano E-Tube Satellite On Off Switch EW-SW100 Needs Images These upper assemblies are theShimano STEPS E Tube Satellite System On Off Switch for E Bikes The Shimano STEPS EW SW100 Satellite System On Off switch features a compact, semi integrated design and minimizes frame open holes for STEPS E Bikes. Features: Compact, semi integrated frame charging port Minimum frame open hole Connector connection same as EW SD50 25g weight 1,100mm cable length