FSA 1026372 Light Hollow Carbon Bcd Crank Set Exo Sl 170L 130 53/39T S10

( Brand: Fsa ), ( Manufacturer Part Number: 1026372 ), ( Part Type: Light Bcd Crank ), ( Compatible Brand: For Fsa ), ( Color: Black, Silver ), ( Bottom Bracket Shell Type: Megaexo ), ( Material: Carbon, Aluminum ), ( Set Includes: Crankset, Chainring ), ( Item Length: 170 Mm ), ( Number Of Speeds: 2 Speed ), ( Compatible Bike Type: Road Bike ), ( Number Of Chainrings: Double ), ( Country Of Origin: Taiwan )

Review FSA Sl k Light Hollow Carbon 130 Bcd 53/39t S10 Crank Set Mega Exo

The **FSA 1026372 SL-K Light Hollow Carbon 170mm Crank Set (130mm BCD, 53/39T)** is a premium, performance-oriented drivetrain designed for cyclists seeking a balance of weight savings, stiffness, and aerodynamic efficiency. Crafted from **FSA s proprietary SL-K hollow carbon fiber**, this crankset delivers an ultra-lightweight yet rigid platform, reducing rotational mass while maintaining exceptional power transfer. The **170mm Q-factor** provides a wider stance, enhancing pedal efficiency and comfort, particularly for riders with broader shoulders or those seeking a more stable platform during aggressive pedaling. The **130mm BCD (bolt circle diameter)** ensures compatibility with a wide range of road and gravel frames, making it a versatile choice for both road racing and endurance riding.

The **53/39T gearing** offers a classic road setup, ideal for climbers who prioritize a higher cadence and efficiency on rolling terrain while still maintaining a strong low gear for tackling steep ascents. The **hollow carbon construction** eliminates the need for heavy metal components, significantly reducing overall drivetrain weight without compromising durability. This design also contributes to a smoother, more responsive ride by minimizing vibrations and flex, allowing for better power delivery and precision in pedal strokes. The **Exo (External Oil Seal)** technology incorporated into the bottom bracket ensures long-term reliability by protecting internal components from dust, moisture, and debris, extending the crankset s lifespan in demanding conditions.

Perfect for competitive cyclists, gravel enthusiasts, or anyone seeking a high-performance drivetrain, this crankset excels in both speed and endurance applications. Its aerodynamic profile and lightweight construction make it a standout choice for riders who demand every ounce of efficiency without sacrificing strength or durability. Whether navigating tight corners at high speeds or grinding up steep climbs, the **FSA SL-K Light Hollow Carbon 170mm crankset** delivers a seamless, high-performance experience that elevates both comfort and power output.

### **Pros and Cons of buying a FSA 1026372 SL-K Light Hollow Carbon 170mm Crankset (Exo, 53/39T, S10)**

1. **Lightweight Construction** The hollow carbon design reduces weight significantly compared to steel or aluminum cranks, improving pedal efficiency and acceleration.

2. **High Strength-to-Weight Ratio** Carbon fiber provides stiffness while minimizing weight, which is beneficial for climbing and sprinting.

3. **Exo (External Offset) Design** The Exo crank arm positioning improves chainline stability, reducing chain slap and improving drivetrain efficiency, especially on rough terrain.

4. **Compatibility with Modern Drivetrains** The 170mm BCD (Bolt Circle Diameter) is standard for most road and gravel bikes, ensuring compatibility with a wide range of bottom brackets and chainrings.

5. **Durability** Carbon cranks are less prone to fatigue failure compared to steel, though they require careful handling to avoid impact damage.

6. **Aesthetic Appeal** The carbon finish gives a premium look, which may be appealing for riders who prioritize visual presentation.

7. **Smooth Pedaling Feel** The hollow carbon design reduces vibration transmission, leading to a more comfortable ride.

8. **Compatibility with 1x and 2x Setups** The 53/39T configuration works well for both 1x and 2x drivetrains, offering versatility in gearing options.

1. **Higher Cost** Carbon cranks are significantly more expensive than aluminum or steel alternatives, which may not be justified for casual riders.

2. **Fragility Compared to Metal** While durable, carbon is more susceptible to damage from impacts (e.g., dropping the bike, hitting potholes). Unlike steel, it cannot be welded or repaired easily.

3. **Limited Aftermarket Support** Some aftermarket chainrings or bottom brackets may not fit as seamlessly as with steel or aluminum cranks, requiring careful selection.

4. **Maintenance Sensitivity** Carbon is prone to micro-cracks if subjected to excessive heat (e.g., from poor lubrication or extreme friction). Proper chain and drivetrain maintenance are essential.

5. **Less Common in Entry-Level Bikes** If you plan to upgrade or sell the bike later, finding replacement carbon cranks may be harder than for steel/aluminum.

6. **Potential for Chainline Issues** While Exo helps, some riders report slight chainline inconsistencies depending on the bike s frame and fork setup.

7. **Noisy in Some Cases** Hollow carbon can sometimes transmit more noise from the drivetrain compared to solid aluminum or steel.

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### **Conclusion and Recommendation**

The **FSA SL-K Light Hollow Carbon 170mm crankset** is an excellent choice for **serious road or gravel riders** who prioritize weight savings, stiffness, and a premium feel without sacrificing durability. Its Exo design enhances chainline stability, making it a strong option for riders who demand performance and efficiency.

However, if **budget is a concern** or if you frequently ride on rough terrain where impact risks are higher, a **high-quality aluminum crankset** (e.g., FSA Omega, Shimano Hollowtech II, or SRAM DUB) may offer a better balance of cost, durability, and performance. Steel cranks (e.g., FSA Campagnolo) are also a great option for riders who prioritize longevity and repairability over weight savings.

- **Buy it if:** You ride primarily on smooth roads, prioritize weight and stiffness, and can afford the premium cost. It s ideal for climbers, sprinters, or performance-oriented riders.

- **Avoid it if:** You re on a tight budget, ride frequently on rough terrain, or prefer the reliability and repairability of metal cranks.

For most **casual or intermediate riders**, a mid-range aluminum crankset would be a more practical and cost-effective alternative. The FSA SL-K is best suited for those who want the absolute best in terms of weight and feel without compromising too much on durability.

Details:

FSA SL-K LIGHT HOLLOW CARBON 170L 130 BCD 53/39T S10 CRANK SET MEGA EXO.

part #: 1026372 prices

• $75.00-$99.99

specifications ribicycl:

• brand: Fsa
• mpn: 1026372
• part type: Light Bcd Crank
• compatible brand: For Fsa
• color: Black, Silver
• bottom bracket shell type: Megaexo
• material: Carbon, Aluminum
• set includes: Crankset, Chainring
• item length: 170 Mm
• number of speeds: 2 Speed
• compatible bike type: Road Bike
• number of chainrings: Double
• country of origin: Taiwan

payments ribicycl:

• credit card: Diners-club
• wallet: Apple-pay
• other

returns ribicycl:

• policy: No Returns

offer ribicycl:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True
• started: May 9, 2026

shipping ribicycl:

• class: Standard
• carrier: USPS
• type: Calculated
• cost: $9.94
• transit: 5-10 Days
• service: USPS Ground Advantage

seller ribicycl:

• city: Butler, New Jersey
• # reviews: 45
• rating: 0.0%

general ribicycl:

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

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