Hope Tech EBike E-Crankset - Standard Offset

Hope E-Bike Crankset – Standard Offset (ISIS Spline) | CNC E-MTB Crank Arms for Bosch & Yamaha

The Hope E-Bike Crankset – Standard Offset is precision engineered to deliver exceptional strength, low weight, and reliable performance for modern electric mountain bikes. Designed primarily for Bosch Gen 2 & Gen 4 motor systems and Yamaha PW-X motors, this premium crankset provides the ideal balance of durability, optimized Q-factor, and maximum ground clearance.

Manufactured in Barnoldswick, UK, each crank arm is forged from 7150-series aluminum alloy before being CNC machined to exacting tolerances. The integrated self-extracting system simplifies installation and maintenance, while the optimized offset ensures compatibility with a wide range of e-bike frames.

Available now at Monkamoo.

⚡ Key Features

Optimized for Bosch & Yamaha E-Bikes

Designed specifically for:

• Bosch Gen 2 motor systems
• Bosch Gen 4 motor systems
• Yamaha PW-X motor systems

Not compatible with Bosch Gen 3 BNI spindle interface.

Premium CNC Construction

Forged and CNC machined from 7150-series aluminum alloy for outstanding strength, stiffness, and lightweight performance.

Maximum Ground Clearance

Low-profile crank arm design minimizes pedal strikes on technical trails while maintaining efficient power transfer.

Self-Extracting Design

Integrated self-extracting crank system allows quick and easy installation or removal without specialized tools.

Optimized Q-Factor

Engineered to provide efficient pedaling ergonomics while maintaining compatibility with most Bosch and Yamaha-equipped e-bike frames.

Multiple Length Options

Available in two crank lengths to suit rider preference and bike fit.

Signature Hope Finish

Finished in Hope's renowned anodized colors for exceptional durability and premium appearance.

📏 Specifications

• Compatible with ISIS spline motor interfaces
• Designed for:
  • Bosch Gen 2
  • Bosch Gen 4
  • Yamaha PW-X
• Not compatible with Bosch Gen 3 BNI spindle interface
• Crank lengths:
  • 155mm
  • 165mm
• Material: Forged & CNC machined 7150-series aluminum alloy
• Weight: From 472g
• Colors:
  • Black
  • Blue
  • Orange
  • Purple
  • Red
  • Silver
  • Smoke
• Designed, tested, and manufactured in Barnoldswick, United Kingdom

🚵 Why Choose the Hope Standard Offset E-Bike Crankset?

E-bike cranksets must withstand significantly higher torque than traditional mountain bike components. The Hope Standard Offset Crankset is built to meet those demands with premium materials, precision machining, and proven engineering.

Benefits include:

• Optimized fit for Bosch Gen 2, Gen 4, and Yamaha PW-X systems
• Lightweight yet exceptionally strong construction
• Increased ground clearance for technical terrain
• Self-extracting system for simple maintenance
• Efficient power transfer with an optimized Q-factor
• Premium UK manufacturing and Hope reliability

If you're upgrading your Bosch or Yamaha-powered e-MTB, the Hope Standard Offset Crankset delivers professional-level performance built to last.