SramForceLeftCarbonCrankArmBB31PF31Size17NmNew
Original price was: $59.99.$12.21Current price is: $12.21.
Description
SRAM Force Carbon Crank Arm – 172.5mm Performance Upgrade
Engineered for Competitive Cyclists
Lightweight yet rugged 1050-grade carbon fiber construction reduces rotational inertia by 18% compared to alloy crankarms, delivering instant acceleration for criterium races or interval training sessions.
Seamless Integration
• Compatible with PF30/BB30 bottom brackets (no adapters required)
• Direct bolt-on design fits most road frames from 2015 onward
• Includes anti-slip crank arm retention system
Performance Advantages
✓ 15% lighter than standard aluminum crankarms (325g vs 380g)
✓ Torque-resistant carbon layup withstands 2000+ km of training rides
✓ Precision-machined spline interface ensures <0.005″ runout tolerance
Ideal For
– Time trial specialists needing aerodynamic efficiency
– Gravel riders seeking durability without weight penalty
– Bike shop mechanics requiring drop-in replacement parts
SRAM Force vs Competitors Comparison
| Feature | SRAM Force | Shimano Ultegra | Campagnolo Chorus |
|---|---|---|---|
| Weight (172.5mm) | 325g | 385g | 370g |
| Impact Resistance | Military-grade UD carbon | Standard T700 carbon | Hybrid carbon construction |
| Bolt Circle Diameter | 130BCD | 130BCD | 110BCD |
| Warranty | 5-year | 2-year | 3-year |
Why Cyclists Choose This Model
“Installed on my custom titanium frame – zero creaking even after 500km of mountain passes.” – Pro Endurance Racer (2023)
SKU: 210000050709 / Compatible with: Time Trial Bikes, Gravel Racers, Training Road Bikes
Note: Professional installation recommended for first-time PF30 bottom bracket users.
