1. Bicycle Rims For Sale
  2. sku: 17246596448752861
  3. THIRTEEN CS5HRA-101

E-THIRTEEN CS5HRA-101 Helix Race Carbon Mountain Bike 4711280345663 E.thirteen E13 170MM Crankset 30T Chainring

Cs5hra-101 E Thirteen E.thirteen E13 Helix Race Carbon Mountain Bike 170mm Crankset With 30t Chainring

( Brand: E-thirteen ), ( Manufacturer Part Number: CS5HRA-101 ), ( Part Type: Bike ), ( Compatible Brand: For Mtb ), ( Color: Black ), ( Bottom Bracket Shell Type: Bsa ), ( Set Includes: Crankset, Chainring ), ( Material: Carbon, Aluminum ), ( Crankarm Length: 170 Mm ), ( Compatible Bike Type: Mountain Bike ), ( Number Of Chainrings: Single ), ( Country Of Origin: Taiwan ), ( UPC: 711280345663 )

Review E THIRTEEN E.thirteen E13 Helix Race Carbon Mountain Bike 170mm Crankset 30t Chainring

The **Thirteen CS5HRA-101 E.Thirteen E13 Helix Race Carbon Mountain Bike Crankset (170mm BCD, 30T Chainring)** is a precision-engineered component designed to elevate the performance of modern gravel, cyclocross, and light trail riding. Crafted from high-grade carbon fiber, this crankset embodies a perfect blend of stiffness, weight savings, and aerodynamic efficiency, making it an ideal choice for riders seeking both speed and responsiveness. The **E.Thirteen E13 Helix** platform features a refined geometry that optimizes power transfer, ensuring every pedal stroke is converted into forward motion with minimal energy loss. The **170mm BCD (Bolt Circle Diameter)** provides a balanced pedal stroke, enhancing pedal efficiency while maintaining a natural, ergonomic feel critical for riders who demand both comfort and performance over varied terrain.

At the forefront of this crankset is the **30-tooth chainring**, a versatile option that strikes an excellent balance between climbing efficiency and sprinting capability. The compact yet aggressive tooth profile is designed to minimize chain slap and reduce friction, allowing for smoother, more consistent gear engagement especially beneficial when tackling technical or fast-paced sections. The carbon construction not only reduces weight but also dampens vibrations, delivering a quieter, more refined ride experience compared to traditional aluminum or steel cranksets. This makes the E13 Helix particularly well-suited for riders who prioritize both performance and comfort over long distances or in rough conditions.

The **CS5HRA-101** model incorporates **E.Thirteen s signature Helix Drive** technology, which enhances chainline precision and reduces lateral play, ensuring optimal chain alignment and longevity. This attention to detail extends to the **spindle design**, which is engineered for durability while maintaining a lightweight profile. Whether paired with a single-speed setup, a compact drivetrain, or a more extensive cassette, this crankset delivers a seamless riding experience that adapts effortlessly to different riding styles. Its sleek, aerodynamic shape also contributes to a cleaner, more streamlined look, making it a standout choice for riders who appreciate both form and function.

Ideal for riders who demand the best in modern cycling technology, the **Thirteen CS5HRA-101 E.Thirteen E13 Helix Race Carbon Crankset** is a testament to the brand s commitment to innovation and performance. Whether navigating gravel roads, racing cyclocross, or exploring light trail sections, this crankset provides the stiffness, efficiency, and reliability needed to push boundaries without compromise. For those seeking a premium, high-performance component that enhances every pedal stroke, the E13 Helix is a standout addition to any serious rider s setup.

### **Pros and Cons of buying a Thirteen CS5HRA-101 E.Thirteen E13 Helix Race Carbon Mountain Bike with 170mm Crankset and 30T Chainring**

#### **Pros**

1. **High-Quality Carbon Frame** The E.Thirteen Helix Race frame is built with premium carbon fiber, offering a lightweight yet stiff and responsive ride. This reduces weight transfer and improves efficiency, making it ideal for aggressive riding styles.

2. **Performance-Oriented Geometry** The CS5HRA-101 is designed for downhill and freeride disciplines, featuring a more aggressive trail angle, shorter reach, and lower bottom bracket for better control at high speeds and in technical terrain.

3. **170mm Crankset** A longer crank arm (170mm) provides better leverage for climbing and pedaling efficiency, which is beneficial if you plan to ride mixed terrain rather than purely downhill.

4. **30T Chainring** A single 30T chainring simplifies drivetrain maintenance and reduces weight. While it limits gearing options, it s sufficient for aggressive riding where high torque isn t the primary concern.

5. **E.Thirteen s Reputation** Thirteen is known for high-performance, durable, and well-engineered bikes, particularly in the downhill and enduro sectors. Their components are often built to withstand extreme conditions.

6. **Lightweight Construction** Carbon fiber reduces overall weight, making the bike easier to maneuver in technical sections and improving fatigue resistance during long rides.

7. **Compatibility with High-End Components** The bike is designed to work well with premium suspension (e.g., Fox, RockShox) and brakes (e.g., SRAM Guide, Shimano XTR), allowing for future upgrades if needed.

8. **Durability** Carbon frames are resistant to corrosion and can handle the stresses of aggressive riding better than aluminum in some cases.

9. **Aesthetic Appeal** The Helix Race line has a sleek, modern design that appeals to riders who value both performance and style.

10. **Specialized Downhill Build** If you re primarily riding downhill or aggressive trail riding, this bike is optimized for that purpose, offering better handling and control than a cross-country or enduro bike.

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#### **Cons**

1. **Expensive** Carbon mountain bikes, especially high-performance models like this one, come with a significant price tag. The cost may be prohibitive for casual riders or those on a tight budget.

2. **Limited Gearing** The single 30T chainring means you ll struggle with steep climbs or technical uphill sections. While the 170mm crank helps, you may still need to walk or push in extreme cases.

3. **Not Ideal for Long-Distance Riding** The aggressive geometry and lack of climbing efficiency make this bike less suitable for long enduro rides or cross-country touring. It s built for speed and control, not endurance.

4. **Maintenance Costs** Carbon frames require careful handling to avoid scratches or damage, and high-end components (e.g., suspension, drivetrain) can be costly to repair or replace.

5. **Weight Sensitivity** While the carbon frame is lightweight, the aggressive nature of the bike means it may feel less stable at slow speeds or in rough, loose terrain compared to a more neutral-geometry bike.

6. **Resale Value** High-end carbon bikes can depreciate quickly, especially if they re built for niche disciplines like downhill. Resale value may not justify the initial cost for some buyers.

7. **Learning Curve** The aggressive geometry requires confidence and skill to ride effectively. Beginners or riders transitioning from cross-country may find it intimidating or difficult to control.

8. **Component Wear** The bike s performance-oriented nature means components (e.g., tires, suspension, drivetrain) may wear out faster than on a more forgiving bike, increasing long-term costs.

9. **Limited Versatility** If your riding style varies between downhill, enduro, and cross-country, this bike may not be as versatile as a more adaptable model (e.g., a trail or enduro bike with a wider gear range).

10. **Potential Overkill for Casual Riders** If you don t ride aggressively or frequently, the performance benefits may not be worth the investment. A more affordable aluminum or carbon trail bike might suffice.

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### **Ending Conclusion**

The **Thirteen CS5HRA-101 E.Thirteen E13 Helix Race Carbon Mountain Bike** is a **high-performance downhill/freeride bike** designed for riders who prioritize speed, control, and aggressive trail riding over climbing efficiency or long-distance comfort. Its carbon frame, aggressive geometry, and single 30T chainring make it an excellent choice for **advanced riders** who focus on descending technical terrain, jumps, and high-speed sections. However, its **high cost, limited gearing, and lack of versatility** mean it may not be suitable for everyone.

If you **ride primarily downhill, freeride, or aggressive trail** and can afford the investment, this bike is a **top-tier option** that delivers exceptional performance. For **casual riders, climbers, or those on a budget**, a more versatile trail or enduro bike with a wider gear range would likely be a better fit.

### **Recommendation**

- **Buy it if:** You re an **experienced rider** who rides **mostly downhill, freeride, or aggressive trail**, you prioritize **speed and control**, and you can justify the cost. The bike s carbon frame and geometry will give you a **competitive edge** in technical descents.

- **Avoid it if:** You **climb frequently**, ride **long enduro routes**, or need a **versatile bike** for mixed terrain. In these cases, consider a **trail or enduro bike** with a **wider gear range (e.g., 28-36T)** and more neutral geometry.

- **Alternative Considerations:**

- For **downhill-focused riders**, look at **YT Capra, Trek Marlin, or Specialized Demo** for similar performance.

- For **versatile aggressive riding**, a **Thirteen CS5HRA with a wider chainring (e.g., 32T)** or an **enduro bike (e.g., YT T cnica, Trek Fuel EX)** may be better.

- If budget is a concern, a **used or entry-level carbon trail bike** (e.g., Trek Fuel EX, Specialized Stumpjumper) could offer a balance of performance and affordability.

Ultimately, this bike is a **specialized tool** for **high-performance descending** not a jack-of-all-trades. Ensure your riding style aligns with its strengths before committing.

Details:

170mm crankset with 30T chainring and BSA bottom basket.

part #: cs5hra101 price

  • $409.99

specifications ribicycl:

  • brand: E-thirteen
  • mpn: Cs5hra-101
  • part type: Bike
  • compatible brand: For Mtb
  • color: Black
  • bottom bracket shell type: Bsa
  • set includes: Crankset, Chainring
  • material: Carbon, Aluminum
  • crankarm length: 170 Mm
  • compatible bike type: Mountain Bike
  • number of chainrings: Single
  • country of origin: Taiwan
  • upc: 711280345663

returns ribicycl:

  • time: 14 Days
  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted

general ribicycl:

  • condition: Used
  • Cycling > Bicycle Components Parts > Cranksets

shipping ribicycl:

  • class: Standard
  • carrier: USPS
  • type: Calculated
  • cost: $8.87
  • transit: 4-8 Days
  • service: USPS Ground Advantage

payments ribicycl:

  • credit card: Mastercard
  • wallet: Google-pay
  • other

seller ribicycl:

  • city: Denver, Colorado
  • rating: 100.0%
  • # reviews: 808

offer ribicycl:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: March 23, 2026
part type: bike, compatible brand: for mtb, bottom bracket shell type: bsa, set includes: crankset, chainring, crankarm length: 170 mm, compatible bike type: mountain bike, number of chainrings: single, country of origin: taiwan,
category: sporting goods > cycling > bicycle components parts > cranksets, color: black, material: carbon, aluminum, sku: 17246596448752861,
E-thirteen CS5HRA-101 Is Similar To:
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1 offer $409.99 USD
  • New. Offer #1 priced at $409.99 + $0.00 shipping estimate = $409.99* total. Featuring highly optimized carbon crank arms and lightweight 30mm aluminum spindle, these cranks dramatically reduce weight while maintaining incredible strength.It features. E.thirteen Helix Race Carbon Crankset - 73mm x 170mm - Graphite.FREE SHIPPING

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