Bosch EC G4 ISIS 172.5mm Praxis Alloy Crank Arms

Enhance your e-biking experience with the Bosch EC G4 ISIS 172.5mm Praxis Alloy Crank Arms, specifically engineered for top-tier performance. These crank arms are designed to integrate seamlessly with Bosch, Yamaha, and Giant motor systems, making them a versatile choice for both mountain and road e-bike enthusiasts.

Key Features

• Motor Compatibility: Compatible with Bosch "CX" and "SX" motors, GIANT SyncDrive Pro, and YAMAHA PW-X motors, all with ISIS spindle interfaces.
• Material: Constructed from high-strength forged alloy, providing durability and a lightweight advantage.
• Length: 172.5mm crank arm length, ideal for riders seeking a balance between power and comfort.
• Weight: Alloy set weighs approximately 454g, offering a sturdy yet efficient setup.
• Q-Factor: Delivers a Q-factor of 180mm on Bosch motors and 170mm on Giant/Yamaha motors, optimized for ergonomic efficiency.
• Main Bolt: Features an 8mm AL main crank bolt for secure installation and self-extraction, recommended torque of 50Nm.

Product Benefits

The Bosch EC G4 ISIS 172.5mm Praxis Alloy Crank Arms are crafted to boost performance, reduce weight, and increase the durability of your e-bike's drivetrain. Suitable for serious e-bike riders looking to upgrade or replace their existing crank arms for improved cycling dynamics.