CeramicSpeed OSPW Pulley Wheel System
Best high performance upgrade for dedicated competitive cyclists.
This upgrade replaces standard derailleur pulleys with a larger, more efficient system designed to minimize drivetrain drag. By utilizing high-grade ceramic bearings and a stiff carbon cage, it provides a noticeable reduction in friction for competitive cyclists seeking marginal gains.
$629.00
at
Airpark Bike Co
Who it's for
- Competitive cyclists looking to maximize every bit of energy efficiency
- High-mileage riders who want components that withstand heavy use
- Performance-oriented road racers requiring consistent and snappy gear transitions
Who should skip it
- Modern bike owners using the latest twelve-speed or electronic groupsets
- Budget-conscious cyclists seeking more cost-effective performance gains
- Low-maintenance riders who prefer a simple set-and-forget setup
Performance breakdown
Drivetrain Efficiency
Reduces frictional drag to the absolute minimum for competitive cycling.
Bearing Smoothness
Silicon nitride ceramic balls provide an incredibly fluid, low-resistance rotation.
Weight Optimization
Carbon fiber construction keeps the system light without sacrificing structural integrity.
Shift Precision
Oversized pulleys maintain crisp, reliable shifting under high-wattage pedaling loads.
Build Durability
Robust polyamide and carbon blend handles rigorous racing conditions with ease.
Installation Complexity
Requires precise mechanical knowledge to ensure perfect alignment and performance.
Key Specs
Material
Carbon fiber and polyamide
Weight
131.54 grams
Compatibility
Shimano 9000/6800 series
Max Rear Cog
28 teeth
Drivetrain Speeds
11
Pulley Material
Aluminum
Bearing Type
Ceramic
Know before you buy
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