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Load image into Gallery viewer, e*thirteen Helix Race Cassette - 12-Speed 13-52t, Gray
Load image into Gallery viewer, e*thirteen Helix Race Cassette - 12-Speed 13-52t, Gray
Load image into Gallery viewer, e*thirteen Helix Race Cassette - 12-Speed 13-52t, Gray

SKU: CASS0674

e*thirteen Helix Race 12-Speed 13-52t Cassette with Close Ratio Gearing, Lightweight Steel Construction, Patented 2-Part Design, Compatible with SRAM XD/XDR, Optimized for Steep Terrain & E-Bike Performance

Regular price $302.67
$345.95 Sale price $302.67 Regular price
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Description
Specifications

Upgrade your mountain biking performance with the ethirteen Helix Race 12-Speed Cassette - the perfect component for tackling steep climbs and exhilarating descents with confidence. Crafted from premium materials and engineered for precision, this gray 13-52t cassette offers exceptional durability and seamless operation on both analog and eBike setups.

Materials & Construction:

Constructed with a patented 2-part design, the ethirteen Helix Race Cassette combines high-strength steel cogs with lightweight, stiff alloy components. This innovative design maximizes strength and stiffness while reducing weight to just 467 grams, ensuring optimal power transfer and responsiveness. Compatibility with SRAM XD and XDR freehub bodies guarantees a secure fit and reliable performance across various drivetrains.

Performance & Engineering:

Designed specifically for steep terrain, the Helix Race cassette features close ratio gearing with cogs spaced precisely for smooth, reliable shifts under load. The 13-52t range provides a vast gear spectrum, allowing riders to maintain optimal cadence and torque whether climbing challenging inclines or descending at high speeds. Extensive testing confirms superior performance in rugged environments, making it ideal for mountain bikers and eBike riders seeking maximum efficiency and durability.

Components & Technology:

Seamlessly compatible with Shimano, SRAM, and TRP 12-speed drivetrains, the Helix Race cassette ensures easy installation and effortless integration into your existing bike setup. Its patented 2-part design enhances stiffness and strength, resulting in increased gear stability and reduced wear. Additionally, the cassette's design reduces shift force requirements, providing smoother gear changes even under heavy load and prolonged rides.

Style & Use Case:

With its sleek gray finish, the ethirteen Helix Race cassette complements any mountain bike aesthetic. Perfect for aggressive trail riders, enduro racers, and eBike enthusiasts, this cassette excels in demanding off-road conditions where gear range, reliability, and shift durability are paramount. Whether you're ascending steep climbs or cruising downhill, enjoy optimized cadence and extended ride range with this versatile, high-performance cassette.

Innovative & Differentiating Features:

- Close ratio gearing for improved shift performance under load

- Optimized for steep terrain and high shift frequency

- Patented 2-part design: unmatched strength, stiffness, and weight savings

- Tested extensively on both traditional and eBike platforms

- Compatible with SRAM XD and XDR freehub bodies

- Weighs only 467 grams for minimal weight penalty

Enhance your ride with the ethirteen Helix Race 12-Speed Cassette - engineered for serious riders demanding durability, efficiency, and seamless shifting on every adventure.

  • Optimized 12-speed cassette designed for steep terrain with a 13-52t gear range, ensuring maximum climbing efficiency and smooth, precise shifts under load on both analog and e-bikes.
  • Constructed with a patented 2-part design that offers exceptional strength, stiffness, and lightweight performance, making maintenance and service quick and effortless.
  • Engineered with close ratio gearing to minimize shift steps, improve torque transfer, and enhance cadence consistency during demanding ascents and rapid descents on mountain or gravel bikes.
  • Seamlessly compatible with SRAM XD and XDR driver bodies, and equally compatible with Shimano, SRAM, and TRP 12-speed drivetrains-perfect for versatile bike builds and upgrades.
  • Made from durable materials with tested performance for e-bike usage, this cassette delivers reliable, long-lasting performance in challenging conditions, ideal for enduro, trail, or gravity-focused cycling.
Range13-52
Cogs13-15-17-19-22-25-28-32-36-40-45-52
Cassette Body TypeSRAM XD
Cassette Body TypeSRAM XDR
Drivetrain Speeds12
ColorGray
Weight467
Designed for ebikeYes
Defined ColorGray
Defined ColorSilver
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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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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.

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Ben Berman Founder & CEO of 365 Cycles


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