Bosch EC G4 ISIS 175mm Praxis Alloy Crank Arms

Upgrade your e-bike's drivetrain with the robust Bosch EC G4 ISIS 175mm Praxis Alloy Crank Arms. Tailored for seamless compatibility with Bosch, Yamaha, and Giant motors, these alloy crank arms are designed for cyclists who demand strength and performance on both mountain trails and urban roads.

Key Features

• Motor Compatibility: Perfect for Bosch "CX" Motor#BDU37, Bosch "SX" Motor#BDU31, GIANT SyncDrive Pro, and YAMAHA PW-X motors with ISIS spindles.
• Material: Forged alloy construction ensures durability and a lighter weight, enhancing overall bike performance.
• Length: 175mm, providing optimal leverage and pedal stroke efficiency for taller riders or those who prefer a longer crank arm.
• Weight: Weighing approximately 454g, these crank arms maintain a balance between strength and lightweight design.
• Q-Factor: Features a Q-factor of 180mm on Bosch motors and 170mm on Giant/Yamaha motors, optimizing pedal position for comfort and efficiency.
• Main Bolt: Includes an 8mm AL main crank bolt for secure installation and self-extraction, recommended torque of 50Nm.

Product Benefits

The Bosch EC G4 ISIS 175mm Praxis Alloy Crank Arms are engineered to improve your e-bike's responsiveness and stability. Whether climbing hills or navigating city streets, these crank arms provide the reliability and performance enhancements needed for a superior ride.