ATS High Speed Drive 1:2.5

ATS speed drive is a specialized crank set for high speed pedaling - up to 80km/h (50mph). It has a build in transmission with planetary system. The result is pedaling output 2.5x faster!

• 2.5x faster pedaling
• Heel switch for gear changing to 1:1 pedal ratio
• 34T ring
• 100mm bottom bracket
• offset crank arms