Designed specifically for use with Bosch motor systems, this chainring is the lightest, most advanced e-specific ring ever designed. Pairing performance and design aesthetic without compromising longevity, the ring is also compatible with SRAM's Aero-Guard to provide increased durability and protection through rough terrain. XX Eagle T-Type Bosch DU38 Chainring Features A perfect combination of lightweight ALU and the durability of a steel running surface Compatible with Bosch motor systems AeroGuard Compatible that fulfills EN 15194:2017 standard XX Eagle T-Type Bosch DU38 Chainring Specs Narrow-Wide Design Yes BCD Direct Mount Bosch DU38 Type Eagle Transmission (T-Type) Teeth 34t or 36t Material Steel Speed 12-Speed