
Crank Arms ACID MTB Hybrid ISIS Bosch Gen4
ACID MTB Hybrid e-bike crank arms for Bosch Gen4 motors, featuring an ISIS spindle interface, 185 mm Q-factor and 160–175 mm length options.
E-bike cranks are an important part of an electric bicycle drivetrain, transferring the rider's pedalling force through the motor system to the rest of the drivetrain. When choosing the right cranks, it is important to consider the motor system, mounting standard, crank length and compatibility.

ACID MTB Hybrid e-bike crank arms for Bosch Gen4 motors, featuring an ISIS spindle interface, 185 mm Q-factor and 160–175 mm length options.

ACID TREKKING Hybrid e-bike crank arms for Bosch Gen4 motors, with ISIS spindle interface, 178.5 mm Q-factor and 160–175 mm length options.

FSA CK-220 175 mm e-bike cranks for Bosch Gen3 systems. Durable die-cast aluminium alloy, BNI spindle interface and black graphic finish.

Lightweight and durable 175 mm ISIS crank arms for Bosch Gen 4 systems, made from high-strength AL 7075 T6 aluminium.

Shimano STEPS FC-E8000 170 mm crank arms deliver efficient power transfer and durable performance for demanding e-MTB riding.

Shimano STEPS FC-E5010 e-bike crank arms for E5000 systems, with Square Type interface, 185 mm Q-factor and durable solid aluminium construction.