1. Bicycle Rims For Sale
  2. sku: 17571247059568604
  3. QUARQ 146-000

QUARQ 146-000 Dub Crank Arms Road Bike Rings Sl 172.5MM

146-000 Quarq Dub Sl Crank Arms 172.5mm Aluminum Road Bike Black Silver No Rings

( Brand: Quarq ), ( Manufacturer Part Number: 146-000 ), ( Part Type: Crank Bike Ring ), ( Crankarm Length: 172.5 Mm ), ( Color: Black, Silver ), ( Compatible Bike Type: Road Bike ), ( Number Of Chainrings: No Rings ), ( Material: Aluminum ), ( Set Includes: Crank Arms )

Review QUARQ Dub Crank Arms 172.5mm Aluminum Road Bike Black Silver No Rings

The **Quarq 146-000 DUB SL Crank Arms (172.5mm Q-factor)** represent the pinnacle of precision engineering and performance optimization for road cyclists seeking an uncompromising power transfer system. Designed exclusively for Shimano s revolutionary Di2 electronic shifting system, these crank arms are crafted from a high-grade, lightweight aluminum alloy, meticulously forged to deliver an ideal balance between stiffness, weight savings, and durability. The **172.5mm Q-factor** ensures a natural, ergonomic pedal stroke, reducing knee strain while maximizing power efficiency ideal for climbers and time trialists who demand both speed and comfort. The **DUB (Dual Bearing Upright) design** eliminates the need for a bottom bracket shell, replacing it with a robust, integrated bearing system that not only reduces weight but also enhances chainline consistency and reduces friction, resulting in smoother, more efficient pedaling. Engineered with Shimano s proprietary **Quarq technology**, these crank arms feature a **100% carbon fiber reinforced composite spider**, which absorbs vibrations and micro-movements, further enhancing comfort and power transfer. The **smooth, polished finish** and **precision-machined surfaces** ensure minimal drag and optimal aerodynamics, making them a standout choice for competitive cyclists and disc brake road bikes. Whether tackling grueling climbs or sprinting for the finish line, the **Quarq 146-000 DUB SL crank arms** provide the ultimate blend of responsiveness, reliability, and performance, setting a new benchmark for electronic road cycling components.

Buying the **Quarq 146-000 DUB SL crank arms (172.5mm, road bike rings)** a high-end carbon fiber component designed for road cycling offers several advantages but also comes with notable drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Quarq 146-000 DUB SL Crank Arms**

1. **Ultra-Lightweight Construction**

The crank arms are made from **Quarq s proprietary carbon fiber material**, which is engineered to be exceptionally stiff while maintaining minimal weight. This reduces rotational mass, improving pedal efficiency and acceleration, especially in sprints or climbs. The 146-000 model is part of Quarq s high-performance lineup, prioritizing aerodynamics and stiffness over traditional road crank designs.

2. **Superior Power Transfer and Efficiency**

Quarq cranks are known for their **high stiffness-to-weight ratio**, which translates to better energy transfer from the rider to the drivetrain. This is particularly beneficial for competitive cyclists or those seeking marginal gains in performance. The DUB SL model, in particular, is optimized for road use, with a design that minimizes flex and vibration.

3. **Aerodynamic Optimization**

The **DUB SL** designation suggests a focus on aerodynamics, likely featuring a more streamlined profile compared to standard road cranks. This can reduce drag, though the impact on overall aerodynamics is often overshadowed by other components like wheels and frame. Still, for riders prioritizing every possible advantage, this is a notable feature.

4. **Durability and Longevity**

Quarq s carbon fiber is designed to withstand high stresses without delaminating or failing prematurely. The cranks are built to last for many years, especially if maintained properly (e.g., avoiding extreme impacts or over-tightening bolts). This makes them a cost-effective investment for serious riders who plan to keep them for the long term.

5. **Compatibility with High-End Drivetrains**

These cranks are engineered to work seamlessly with **SRAM s XX1 or XX eTap drivetrains**, which are among the most advanced and precise systems available. The integration with SRAM s technology ensures smooth shifting, reduced chain wear, and optimal performance, especially when paired with other SRAM components.

6. **Customization and Fit**

Quarq offers cranks in various lengths and Q-factor (distance between pedals) options, allowing riders to fine-tune their setup for comfort and efficiency. The 172.5mm length is a standard road bike measurement, but Quarq s designs may offer slight adjustments for a more personalized fit.

7. **Brand Reputation for Innovation**

Quarq is a subsidiary of **SRAM**, which has a strong reputation for pushing the boundaries of cycling technology. While Quarq is a niche brand, its components are often at the forefront of materials science and engineering, making them attractive to riders who want cutting-edge gear.

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### **Cons of the Quarq 146-000 DUB SL Crank Arms**

1. **Extremely High Cost**

Quarq components are **notoriously expensive**, with these crank arms likely costing **$1,000 $1,500 or more** depending on market fluctuations and retailer markup. This price point is justified by the materials and technology but is prohibitive for casual or recreational riders. For most cyclists, the performance gains may not warrant the investment.

2. **Limited Availability and Long Wait Times**

Quarq products are **not mass-produced** like Shimano or SRAM s more mainstream components. This means they may be difficult to find in stock, and even when available, orders can take weeks or months to fulfill. This can be frustrating for riders who need replacements or upgrades quickly.

3. **Specialized Compatibility Requirements**

These cranks are **exclusive to SRAM s XX1 or XX eTap drivetrains**. If a rider uses a different brand (e.g., Shimano Di2, Campagnolo EPS) or a less advanced system (e.g., SRAM Force), these cranks won t be compatible without additional adapters or modifications. This limits their versatility.

4. **Maintenance and Repair Challenges**

Due to their specialized nature, repairing or replacing individual crank arms can be **costly and time-consuming**. Most bike shops may not carry Quarq-specific tools or parts, requiring riders to seek out specialized mechanics or SRAM-certified service centers. This adds to the long-term ownership cost.

5. **Overkill for Most Riders**

The performance benefits of Quarq cranks while real are **marginal** for the average cyclist. Unless you re a professional, elite amateur, or a rider chasing every possible watt of power, the gains from these cranks may be negligible compared to other upgrades (e.g., wheels, tires, or aero positioning). For most, the money could be better spent on other high-impact components.

6. **Risk of Overuse or Damage**

While Quarq cranks are durable, their **ultra-stiff design** means they are less forgiving of impacts or rough riding conditions. A single hard hit (e.g., from a curb or pothole) could cause micro-fractures or delamination, leading to premature failure. This makes them less ideal for gravel, cyclocross, or aggressive riding styles.

7. **Resale Value and Depreciation**

Like many high-end cycling components, Quarq cranks **depreciate quickly**. If you decide to upgrade or sell them later, you may not recover a significant portion of the original cost. This is a common issue with niche, high-tech cycling gear.

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### **Conclusion**

The **Quarq 146-000 DUB SL crank arms** are among the best-in-class components for **high-performance road cycling**, offering unmatched stiffness, weight savings, and compatibility with SRAM s premium drivetrains. They are the right choice for:

- **Elite or competitive cyclists** who prioritize marginal gains in power transfer and efficiency.

- **Riders with a fully SRAM XX1/XX eTap setup** who want to maximize their drivetrain s potential.

- **Those willing to invest heavily in cutting-edge technology** and accept the associated costs and limitations.

However, for **recreational riders, casual cyclists, or those on a budget**, these cranks are **overkill**. The performance benefits are unlikely to justify the cost, and the specialized nature of the product makes them impractical for most everyday use. If you re not racing or pushing the limits of your cycling, there are far more cost-effective ways to improve performance (e.g., upgrading wheels, tires, or your frame).

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### **Recommendation**

- **Buy if:**

- You are a **serious road racer or time trialist** with a full SRAM XX1/XX eTap system.

- You ve already optimized other components (wheels, frame, tires) and are looking for the last incremental gains.

- You re willing to accept the high cost, limited availability, and maintenance challenges.

- **Avoid if:**

- You re a **casual or recreational rider** who doesn t need the extreme performance of these cranks.

- You use a **non-SRAM drivetrain** or plan to switch brands in the future.

- You re concerned about **budget constraints** or the **long-term cost of ownership**.

- You ride in **rough or technical conditions** where impacts could damage the cranks.

**Alternative Recommendations:**

- For **high-end road riders on a budget**, consider **SRAM Force cranks** or **Shimano s latest road cranks** (e.g., Shimano DURA-ACE Di2), which offer similar performance at a fraction of the cost.

- If you re already using **SRAM s XX drivetrain**, the Quarq cranks are a logical next step but weigh whether the investment is justified by your goals.

- For **gravy or multi-discipline riding**, look for **more durable, less specialized cranks** (e.g., Enve, FSA, or Shimano s road cranks) that balance performance and practicality.

Details:

Quarq DUB SL Crank Arms 172.5mm Aluminum Road Bike Black Silver No Rings.

part #: 146000 price

  • $289.95

specifications ribicycl:

  • brand: Quarq
  • mpn: 146-000
  • part type: Crank Bike Ring
  • crankarm length: 172.5 Mm
  • color: Black, Silver
  • compatible bike type: Road Bike
  • number of chainrings: No Rings
  • material: Aluminum
  • set includes: Crank Arms

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • rating: 100.0%
  • # reviews: 33
  • city: Everson, Washington

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offer ribicycl:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: April 17, 2026

shipping ribicycl:

  • class: Standard
  • transit: 7-11 Days
  • carrier: USPS
  • service: USPS Ground Advantage
  • cost: $7.52
  • type: Calculated

general ribicycl:

  • condition: Used
  • Cycling > Bicycle Components Parts > Cranksets
part type: crank bike ring, crankarm length: 172.5 mm, compatible bike type: road bike, number of chainrings: no rings, set includes: crank arms,
category: sporting goods > cycling > bicycle components parts > cranksets, color: black silver, material: aluminum, sku: 17571247059568604,
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