Chainrings

Genuine replacement parts Prowheel: Crank it up! Shift smooth, use matching chainrings. - Bosch Generation 3 specific e-bike narrow wide chainring - Aluminum spider and steel chainring -104mm BCD

Genuine replacement parts Get your bike back on the road with new chainrings Replacement chainring for your Bosch Gen 2 equipped bike - Bosch Generation 2 specific steel chain rings - 3mm offset Boost compatible -Direct Mount