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Load image into Gallery viewer, e*thirteen Helix Race Carbon Crankset - 175mm, 73mm, 30mm Spindle, 8-bolt Chainring Interface

SKU: CKST3594

e*thirteen Helix Race Carbon Mountain Bike Crankset - Lightweight 175mm Carbon Fiber Arms, DUB 30mm Spindle, ASTM 4 Strength, 8-Bolt Chainring Interface, High-Performance MTB Cranks for Trail & All-Mountain Rigs

Regular price $459.95
$511.95 Sale price $459.95 Regular price
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Description
Specifications

Upgrade your mountain biking setup with the ethirteen Helix Race Carbon Crankset - the ultimate choice for riders seeking superior strength-to-weight ratio, innovative technology, and versatile performance on aggressive trails and XC races.

Materials & Construction

Engineered with high-grade carbon fiber, the Helix Race Carbon Cranks deliver exceptional durability and stiffness while maintaining ultralight weight. The 30mm aluminum DUB spindle enhances rotational efficiency and strength, ensuring reliable performance in demanding mountain biking conditions. Weighing just 335 grams (at 170mm length), these crankarms are designed for weight-conscious riders who refuse to compromise on strength.

Performance & Engineering

Built to exceed ASTM 4 standards, the Helix Race Carbon Crankset combines industry-leading engineering with advanced materials to provide unmatched resilience against impacts and stress. The optimized carbon layup and lightweight alloy DUB interface deliver crisp power transfer and high responsiveness, making them suitable for aggressive trail riding, all-mountain adventures, and competitive XC racing.

Components & Technology

Featuring an innovative four-bolt locking mechanism, the Helix Race 8-Bolt Chainring interface reduces weight while enhancing durability and longevity-compatible with standard 8-bolt chainrings (sold separately). The crankset includes molded crank boots for added protection, an APS adjuster for fine-tuning, captive pedal washers for easy setup, and a self-extractor system for simplified maintenance.

Style & Use Case

The sleek carbon finish complements any bike style, from aggressive trail rigs to lightweight XC builds. With a 55mm chainline optimized for SRAM DUB interface and compatible with 141/148 Boost hubs, these cranks are designed for riders who demand peak performance during intense rides and races.

Innovative & Differentiating Features

- Ultralight carbon fiber crank arms with superior strength-to-weight ratio

- 30mm aluminum DUB spindle for enhanced durability and smooth spindle interface

- Four-bolt Helix Race 8-Bolt Chainring interface for reduced weight and increased chainring longevity

- Industry-approved ASTM 4 strength standards, ensuring maximum reliability

- Complete with protective crank boots, APS adjuster, and self-extractor system for effortless installation and maintenance

Specifications

- Crank Length: 175mm (also available in 165mm and 170mm)

- Drivetrain Compatibility: 11/12-speed SRAM, Shimano, and other 8-bolt chainring systems

- Chainline: 55mm, designed for SRAM DUB interface on 141/148 Boost hubs

- Pedal Compatibility: 9/16" spindles

- Not included: Chainrings and bottom bracket

Elevate your mountain biking performance with the ethirteen Helix Race Carbon Crankset-combining cutting-edge carbon technology, lightweight engineering, and high durability for riders who demand the best on every ride.

  • Lightweight yet ultra-durable carbon crank arms engineered from advanced high-strength materials for optimal performance on aggressive trail, enduro, and XC mountain biking disciplines.
  • Utilizes innovative 8-bolt Helix Race chainring interface with a unique four-bolt locking mechanism, reducing weight while enhancing chainring longevity and compatibility with standard 8-bolt rings.
  • Features a precision-machined 30mm aluminum DUB spindle with industry-leading strength-to-weight ratio, designed for seamless integration with 55mm chainline hubs on 11 and 12-speed drivetrain setups.
  • Designed for versatility and durability, these 175mm crank arms include molded crank boots, an APS adjuster, and a self-extractor system for easy installation, maintenance, and long-term reliability.
  • Optimized for style and performance, the carbon finish complements mountain bike frames while their high-performance engineering ensures responsive power transfer and lightweight handling on technical terrain.
Number of ChainringsNo Rings Included
Drivetrain Speeds11
Drivetrain Speeds12
Chainring BCDDirect Mount SRAM 8-Bolt
Chainline/Hub Compatibility141/148 Boost Hubs
ColorCarbon
Crank Length (mm)175
Crank Intended UseMountain
BB IncludedNo
Pedal Spindle9/16"
Defined ColorCarbon
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