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Compatible with HollowTech cranks, supports 36V/48V systems, and is suitable for most electric bikes. The model is BZ-10C, please check carefully. 3Pin interface, standardized design, stable signal transmission and easy installation. Real-time detection of pedal rotation, accurately output power assist signals, and improve riding efficiency. No complex tools are required, they can be replaced or installed directly, suitable for bicycle upgrades and modifications.