The high torque loads of E-MTBs require tough components

The straighter chain line EX1 offers allows the use of a chain that is wider and more robust than those found on drivetrains not specifically engineered for E-MTBs

The EX1 chain has been engineered to run quiet across the gear range and transmit more power to the rear wheel.

EX1 chain is wider and designed for the high-torque, heavy-duty use of E-MTB