SRAM 00.6118.638.000 Force Carbon Crankset Sync Chainring 175MM 42T

( Brand: Sram ), ( Compatible Brand: For Sram ), ( Color: Black ), ( Bottom Bracket Shell Type: Bb30 ), ( Material: Carbon ), ( Set Includes: Crankset, Chainring ), ( Item Length: 172.5 Mm ), ( Number Of Speeds: 1 Speed ), ( Crankarm Length: 175 Mm ), ( Compatible Bike Type: Gravel Bike ), ( Number Of Chainrings: Single ), ( Item Weight: 1 Lb 9 Oz ), ( Part Type: Crankset With Chainring ), ( UPC: 006118638000 )

Review SRAM Force Carbon Crankset 175mm 42t X sync Chainring

The **SRAM 00.6118.638.000 Force Carbon 175mm 42T X-Sync Chainring** represents the pinnacle of modern road cycling engineering, meticulously crafted to deliver unparalleled power transfer, efficiency, and durability for performance-oriented riders. Part of SRAM s elite Force Carbon line, this crankset embodies a fusion of cutting-edge materials and precision aerodynamics, designed to minimize rotational weight while maximizing stiffness and responsiveness. The **175mm Q-factor** strikes an optimal balance between stability and agility, ensuring a natural, efficient pedal stroke that reduces fatigue over long rides and climbs. The **42-tooth X-Sync chainring** is engineered with SRAM s proprietary **X-Sync technology**, which features a unique, asymmetrical tooth profile that enhances chain engagement, reduces skipping, and improves overall drivetrain efficiency critical advantages for riders pushing the limits of speed and endurance. Constructed from **high-modulus carbon fiber**, the crank arms are not only ultra-lightweight but also exhibit exceptional torsional rigidity, translating every watt of rider input into forward motion with minimal energy loss. The **Force Carbon** branding signifies a commitment to performance, with a design that integrates seamlessly with SRAM s Red eTap AXS or mechanical groupsets, offering riders the flexibility to customize their setup for optimal performance. Whether tackling grueling time trials, sprinting for the line in a race, or climbing steep gradients with precision, this crankset ensures that every pedal stroke is efficient, powerful, and true to the rider s intent. Built to withstand the demands of competitive cycling, it combines aerodynamics, weight savings, and structural integrity to redefine what s possible on the road.

**Pros and Cons of buying a SRAM 00.6118.638.000 Force Carbon Crankset (175mm, 42t X-Sync Chainring)**

### **Pros**

1. **Lightweight Construction** The carbon fiber material reduces overall weight, improving pedal efficiency and climbing performance. This is particularly beneficial for road and endurance cycling where weight savings matter.

2. **High Strength-to-Weight Ratio** Carbon cranks offer stiffness and durability comparable to aluminum but with less mass, reducing fatigue and improving power transfer.

3. **Compatibility with SRAM Drivetrains** The X-Sync chainring is designed to work seamlessly with SRAM s 12-speed drivetrains (e.g., Force, Rival, NX, or AXS), ensuring smooth shifting and reduced chain wear.

4. **Durability** SRAM s Force line is built for performance and longevity, with reinforced carbon weaves to handle high stress from aggressive riding styles.

5. **Aesthetic Appeal** The sleek, modern design of the Force line adds a premium look to the bike, which may be appealing for riders who prioritize aesthetics alongside performance.

6. **Compatibility with Wide Q-Factor Forks** The 175mm BCD (Bolts Circle Diameter) is standard for most modern road bikes, making it a versatile choice for a wide range of frames.

7. **Reduced Vibration** Carbon dampens road vibrations better than aluminum, leading to a smoother ride and less hand fatigue during long rides.

8. **Future-Proofing** SRAM s X-Sync chainrings are engineered to work with their latest drivetrains, including wireless electronic shifting (e.g., AXS), making upgrades easier if you expand your setup later.

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### **Cons**

1. **Higher Cost** Carbon cranks are significantly more expensive than aluminum alternatives (e.g., SRAM s Force aluminum crankset or Shimano s Ultegra/105 aluminum cranks). The price difference can be substantial, especially for budget-conscious riders.

2. **Repairability Challenges** Carbon components are harder to repair than aluminum. If the crankset sustains damage (e.g., from a crash), replacement may be more cost-effective than professional repair.

3. **Limited Customization** Unlike aluminum cranks, which can sometimes be swapped with aftermarket parts (e.g., custom chainrings), carbon cranks are typically proprietary and less modular.

4. **Potential for Delamination** While rare, carbon can delaminate or crack under extreme stress (e.g., heavy impacts or poor installation). This risk is mitigated by SRAM s quality control, but it s still a consideration for aggressive riders.

5. **Compatibility with Non-SRAM Drivetrains** While the X-Sync chainring works well with SRAM drivetrains, pairing it with Shimano or other brands may require adjustments (e.g., chainline alignment) to avoid shifting issues or premature wear.

6. **Weight Sensitivity Trade-Off** While carbon is lighter, the savings may be negligible for casual riders or those on hybrid/e-trike setups where weight isn t a critical factor.

7. **Resale Value** Carbon components depreciate faster than high-end aluminum parts. If you plan to upgrade or sell your bike later, the resale value of a carbon crankset may not justify the initial cost.

8. **Installation Complexity** Carbon cranks require careful handling during installation to avoid scratches or damage. Improper torque or alignment can compromise performance or longevity.

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### **Conclusion**

The **SRAM 00.6118.638.000 Force Carbon Crankset (175mm, 42t X-Sync)** is an excellent choice for **serious road cyclists, racers, or endurance riders** who prioritize weight savings, stiffness, and premium performance. Its compatibility with SRAM s drivetrains, durability, and reduced vibration make it a strong option for those investing in a high-performance setup. However, the **higher cost, limited repairability, and niche appeal** mean it may not be justified for casual riders, commuters, or those on a tight budget.

If you re building a **competitive road bike, training for a race, or seeking a lightweight upgrade**, this crankset is a worthwhile investment. For **recreational riders or those who prefer aluminum**, a budget-friendly alternative (e.g., SRAM Force aluminum or Shimano Ultegra) may offer better value.

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### **Recommendation**

- You re riding a high-performance road bike and want to maximize efficiency.

- You re using or plan to use a **SRAM 12-speed drivetrain** (Force, Rival, AXS, etc.).

- You value **weight savings, stiffness, and a premium feel** over cost.

- You re comfortable with the higher upfront investment for long-term performance.

- You re on a **tight budget** and can achieve similar performance with an aluminum crankset.

- You prioritize **repairability or resale value** over weight savings.

- You re not committed to SRAM s ecosystem and may mix brands in the future.

- You ride primarily for **casual or fitness purposes** where the cost isn t justified.

For most **competitive or serious road cyclists**, this crankset is a **strong recommendation**. For others, weighing the cost against your riding goals will determine whether it s the right choice.

Details:

The chainring may need to be replaced soon as it has almost 4000 miles on. Used Sram Force crank set. Still in good condition, a lot of the wear on drive side crank is just skin. The actual crank is in good condition.

part #: 006118638000 price

• $1045.00

specifications ribicycl:

• brand: Sram
• compatible brand: For Sram
• color: Black
• bottom bracket shell type: Bb30
• material: Carbon
• set includes: Crankset, Chainring
• item length: 172.5 Mm
• number of speeds: 1 Speed
• crankarm length: 175 Mm
• compatible bike type: Gravel Bike
• number of chainrings: Single
• item weight: 1 Lb 9 Oz
• part type: Crankset With Chainring
• upc: 006118638000

shipping ribicycl:

• cost: $8.87
• transit: 5-11 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Calculated

general ribicycl:

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

returns ribicycl:

• policy: No Returns

seller ribicycl:

• # reviews: 48
• rating: 100.0%
• city: Colorado Springs, Colorado

offer ribicycl:

• quantity: 1
• started: April 7, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True

payments ribicycl:

• credit card: Diners-club
• other
• wallet: Paypal

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