Bosch EC G4 ISIS 172.5mm Praxis Carbon Crank Arms

Optimize your e-bike's performance with the Bosch EC G4 ISIS 172.5mm Praxis Carbon Crank Arms. These premium carbon crank arms are engineered specifically for e-bike systems from Bosch, Yamaha, and Giant, featuring a robust ISIS spindle interface for unmatched durability and efficiency.

Key Features

• Motor Compatibility: Perfectly fits Bosch "CX" Motor#BDU37, Bosch "SX" Motor#BDU31, GIANT SyncDrive Pro, and YAMAHA PW-X motors with ISIS spline spindles.
• Material: High-quality carbon fiber construction ensures minimal weight and maximum strength.
• Length: 172.5mm crank arm length ideal for optimizing pedal efficiency without compromising ground clearance.
• Weight: Lightweight at only 380g for the carbon version, reducing overall e-bike weight and improving handling.
• Q-Factor: Provides a Q-factor of 170mm when installed on Giant/Yamaha motors, ensuring a comfortable riding position.
• Installation: Comes with an 8mm AL main crank bolt for easy self-extraction and installation at a recommended torque of 50Nm.

Product Benefits

The Bosch EC G4 ISIS Praxis Carbon Crank Arms are designed to deliver superior performance and reliability. The use of carbon fiber material not only reduces weight but also enhances the overall responsiveness of your e-bike. These crank arms are an excellent upgrade for any cyclist seeking to improve their e-bike's efficiency and durability.