SRAM XX Eagle T-Type DM E-MTB BroseDesigned 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. Steel and Aluminium construction. Compatible with Brose motor systems. SRAM Model ID: CR XX BR D1 Attributes Chainring Comp. Eagle Transmission (T Type) BCD Direct Mount Primary Color Black Narrow Wide Design X Sync 2 Speed 12 Material