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SKU: EBCS0155

e*thirteen Helix Race e*spec 32T Aluminum Chainring for Bosch SX/Gen 4 CX E-Bikes | 11/12 Speed Narrow-Wide Direct Mount, 15mm Offset, Black, Lightweight Stiffness & Cross-Compatibility

Regular price $86.51
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Description
Specifications

Upgrade your e-bike performance with the ethirteen Helix Race espec Chainring - the perfect blend of engineering ingenuity and sleek style. Designed specifically for Bosch SX and Gen 4 CX systems, this high-performance, direct-mount chainring is engineered to optimize power transfer, durability, and chain retention on e-mountain bikes and commuter bikes alike.

Materials & Construction

Constructed from premium 7075 Aluminum, the Helix Race espec Chainring offers exceptional strength-to-weight ratio, ensuring lightweight durability without sacrificing stiffness. The precision forging process enhances the structural integrity, while the sleek black anodized finish adds a professional, rugged look that resists corrosion and wear.

Performance & Engineering

Featuring a 15mm offset and a 32-tooth round profile, this chainring is engineered for optimal compatibility with 11 and 12-speed drivetrains, including Shimano, SRAM, and TRP T-Type systems. Its innovative narrow-wide M4 profile significantly boosts chain retention, reducing derailments and enhancing riding confidence on demanding trail rides or daily commutes. The custom metal dust cover not only elevates style but also helps prevent debris and seal contamination, ensuring smooth, reliable shifting.

Components & Technology

The direct mount design simplifies installation and reduces weight by eliminating conventional chainring bolts. Combined with the high-precision machining and proprietary manufacturing processes, this chainring guarantees precise chain engagement and even wear, prolonging component lifespan.

Style & Use Case

Sporting a sleek black aesthetic, the Helix Race espec Chainring complements any high-performance e-MTB or e-road bike setup. Its durable construction and advanced technology make it ideal for aggressive trail riding, cross-country racing, or everyday urban commuting. Whether you're tackling rugged terrain or smooth pavement, this chainring delivers reliable power transfer and enhanced efficiency.

Innovative Features

- Compatible with Bosch SX and Gen 4 CX e-bike systems

- Versatile 11/12-speed drivetrain compatibility

- Custom metal dust cover for style and protection

- Narrow-wide M4 profile for superior chain retention

- Designed for lightweight durability and stiffness

Elevate your electric mountain bike or commuter bike's drivetrain with the ethirteen Helix Race espec Chainring - engineered for precision, built for performance. Optimize your ride today and benefit from cutting-edge engineering and sleek style combined into one high-quality component.

  • Optimized for Bosch SX and Gen 4 CX e-bike systems, the e*thirteen Helix Race e*spec Chainring combines advanced engineering and lightweight durability with high-performance 7075 aluminum construction for superior stiffness and longevity.
  • Featuring a custom metal dust cover, this chainring offers enhanced style and protection against dirt and debris, ensuring reliable operation in tough riding conditions.
  • The M4 narrow-wide tooth profile maximizes chain retention and cross-compatibility with 11/12-speed drivetrains, including Shimano, Sram, and TRP T-Type, making it ideal for versatile e-bike setups.
  • Designed with a 15mm offset and a 32T round configuration, this direct mount chainring provides optimal gear engagement and smooth power transfer for aggressive trail riding and XC performance.
  • Its sleek black finish complements modern e-bike aesthetics while offering enhanced durability and resistance to corrosion, making it a perfect upgrade for serious e-bikers seeking performance and style.
Tooth Count32
Round or OvalRound
Drivetrain Speeds11
Drivetrain Speeds12
MaterialAluminum
Designed for ebikeYes
Defined Color ListBlack
Defined ColorBlack
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Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

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Ben Berman Founder & CEO of 365 Cycles


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