Designed specifically for use with Brose motor systems, this chainring is the lightest, most advanced e-specific ring ever designed. Pairing performance and design aesthetic to give you the highest end E-MTB ring we produce, the ring is also compatible with our Aero-Guard.Features:- Steel and Aluminum construction.- Compatible with Brose motor systems.- AeroGuard Compatible that fufills EN 15194:2017 standardSpecifications:- Chainring Sizes: 34T/36T- Bolt Circle Diameter (BCD): Direct Mount (DM)- Speeds: 12s T-Type- Compat - Yaw: n/a- Material (Chainring): Aluminum- Weight (g): 185