This chainring was specifically designed for compatibility with brose motor systems and optimized by sram drivetrain engineers to withstand the high torques and heavy wear associated with e-bike riding. The aggressive t-shaped tooth profile ensures better chain retention resulting in a smoother more efficient pedaling experience while also extending the chainring’s service life. - material: steel - aeroguard-compatible and meets the en 15194:2017 standard - backward compatible with other eagle technologies - compatible with brose motor systems: drive 3 peak drive s mag - t-type chainring available in 34t 36t