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SKU: EBCS0209

e*thirteen Helix Race e*spec 36T Chainring for Bosch Gen4 & Shimano/SRAM 11/12-Speed-Cold-Formed Steel, Heat-Treated, Narrow-Wide Design, Direct Mount, 13mm Offset, Durable, High-Performance MTB & Gravel Cycling Component

Regular price $84.95
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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

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$25 Gift Card

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$75 Gift Card

at 1,000 points

Description

Enhance your e-bike performance with the ethirteen Helix Race espec Chainring, 36T - the perfect upgrade for Bosch Gen4-powered e-MTBs and e-Cycles. Designed with cutting-edge engineering and premium materials, this direct mount chainring offers superior durability, reliability, and style for aggressive riding and demanding terrains.

Materials & Construction:

Crafted from cold-formed steel and heat-treated for exceptional strength and toughness, the Helix Race espec Chainring is built to withstand the rigors of intense riding. Its robust construction ensures long-lasting wear, even under high torque conditions common in e-bike riding.

Performance & Engineering:

Featuring a narrow-wide tooth profile for secure chain retention, this chainring minimizes chain drops and enhances drivetrain stability. The 13mm offset optimizes chain line compatibility, reducing pedal strike and increasing clearance for a smoother ride across rugged trails.

Components & Technology:

Designed specifically for Bosch Gen4 e-bike systems, the Helix Race espec is compatible with Shimano and SRAM 11- or 12-speed drivetrain setups. Its direct mount interface ensures a precise fit for Shimano/SRAM cranksets, enabling quick installation and reliable performance.

Style & Use Case:

With a sleek black finish, the Helix Race espec Chainring combines performance with a modern aesthetic. Ideal for e-mountain biking, trail riding, and all-mountain adventures, it provides the reliable power transfer and durability needed for aggressive cycling.

Innovative Features:

The narrow-wide tooth design enhances chain retention, while heat-treated steel construction prolongs wear life, making it an excellent choice for enthusiastic riders seeking durability and value. Plus, its optimized offset ensures perfect drivetrain alignment for enhanced efficiency.

Upgrade your e-bike's drivetrain with the ethirteen Helix Race espec Chainring - engineered for durability, optimized for performance, and built to elevate your riding experience.

  • Designed with Bosch Gen4 motor systems, the e*thirteen Helix Race e*spec Chainring ensures seamless integration and optimal power transfer for e-Mountain biking and upgraded e-bike builds.
  • Constructed from cold-formed steel and heat-treated, this 36T chainring delivers exceptional durability, wear resistance, and long-lasting performance even under high-torque e-bike riding conditions.
  • Featuring a narrow-wide tooth profile, the Helix Race chainring provides reliable chain retention across rough terrains, reducing dropped chains and enhancing riding confidence.
  • Compatible with Shimano and SRAM 11- and 12-speed drivetrains, this direct mount chainring offers versatile use and easy installation for a wide range of e-MTB and road e-bike setups.
  • With a 13mm offset and sleek black finish, the Helix Race e*spec Chainring combines high-performance engineering with style, making it an ideal upgrade for serious riders seeking durability, reliability, and optimized gear engagement.
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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

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If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

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.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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