e*thirteen Helix Race Alloy GR Crank Mountain Bike

Gravity-ready Cranks with Astonishing Strength

Developed in collaboration with World Cup DH (Downhill) and Enduro athletes, e*thirteen's Helix Race GR Cranks are designed to withstand the rigors of downhill, bike park, enduro, and freeride use.

Despite their beautiful finish, these cranks are built to endure intense impacts.

Key Features

• Ultimate Durability: Exceeds ASTM 5 standards with ease for downhill, bike park, enduro, and freeride applications.
• Material and Design: Uses forged and CNC-machined AL-6066-T6 aluminum arms for an optimized strength-to-weight ratio.
• Low Profile Design: Shares the same spindle design and low-profile shape as e*thirteen's top-end carbon and alloy cranks.
• Optimized for Gravity Use: Offers 83mm and 73mm spindle options suitable for downhill and enduro.
• Enhanced Protection: Includes molded crank boots for rock strike protection, protective polymer decals, and an easy-to-adjust Adaptive Preload System (APS) and self-extractor system.
• Connection Standard: Utilizes the proven P3 Connect polygon spindle interface.

Product Specifications

Weight

Compatibility and Chainring Requirements

These cranks are designed for mountain and gravel bike applications.

Note: 73mm cranks are not compatible with SL or UL chainrings.

Included Accessories 

• Crankset body
• APS adjuster
• BB/lockring tool
• Crank boots (x2) (molded crank boots)
• User manual

Warranty Information

This product is warranted to be free from defects in material or workmanship for 5 years from the original date of purchase.