e*thirteen Helix Race Alloy e*spec Crank for ISIS Spindle - 165mm, Black

e*thirteen Helix Race Alloy e*spec Crank for ISIS Spindle - 165mm, Black

Forged and CNC-machined 6066-T6 aluminum e-MTB crank arms for ISIS spindle e-bike motors, offered as a tough alternative to carbon fibre. The cranks have a 182.9mm Q-factor and the shorter 155mm, 160mm and 165mm lengths help avoid pedal strikes on low bottom bracket frames.

Integrated alloy self-extractors, an APS preload adjuster and custom crank boots are included, and the cranks pair with Helix Race e*spec direct mount chainrings.

Key Features

• 165mm arm length
• Black anodized finish
• Weight: 433g
• Forged and CNC-machined AL-6066-T6 aluminum arms
• 24mm ISIS spindle interface
• 182.9mm Q-factor
• 7075 aluminum hardware
• Integrated alloy self-extractors for tool-free crank removal
• e*thirteen Adaptive Preload System (APS) adjuster for play-free bearing setup
• Custom impact-resistant crank boots included
• Tested to E-Enduro standards and suitable for EN17406 Class 5 applications
• Full CNC finish with a low overall profile
• Warranty: 5 years

Compatibility

• 24mm ISIS spindle e-bike motor systems
• Listed motor platforms: Bosch CX Gen4/Gen5, Bosch SX, TQ HPR50, Brose S Mag, DJI Avinox, Yamaha

In the Box

• Crankset
• 2 custom crank boots
• Sticker
• User manual

Good to Know

• Pairs with Helix Race e*spec direct mount chainrings (sold separately).
• Available in 155mm, 160mm and 165mm lengths; shorter arms give more pedal clearance on low bottom bracket frames.