FSA Unisex's Bosch E-Bike Sprocket, Black, Size 15T

14T, 15T, 16T, 17T, 18T, 19T, 20T. Weight : 13.1g (14T),19.4g (15T),25.2g (16T),31.7g (17T),38.0g (18T),45.5g (19T),53.0g (20T). MPN: Bosch E-bike. Style: ‎Bosch E-Bike. Heat treated chromoly chainring for Bosch powered E-Bike.

eBay