Cannondale SI SL2 Bottom Bracket Spindle
Best lightweight upgrade for performance-focused road cyclists maintaining their drivetrain.
A lightweight, durable replacement spindle engineered for specific high-performance road cranksets. It provides a reliable, precise fit to ensure smooth power transfer and long-term drivetrain efficiency.
$49.99
Who it's for
- Weight-conscious climbers seeking faster acceleration
- Competitive cyclists demanding maximum power transfer
- Cannondale owners needing perfect component compatibility
Who should skip it
- Cyclists wanting universal aftermarket part compatibility
- Budget-focused riders looking for affordable upgrades
- Mechanics avoiding high-maintenance bearing systems
Performance breakdown
Weight Efficiency
Featherlight construction minimizes rotational mass for competitive road performance.
Structural Rigidity
Engineered to handle high-wattage sprints without sacrificing power transfer efficiency.
System Integration
Designed specifically for Hollowgram cranks, ensuring a perfect, seamless fit.
Durability
Robust materials withstand the rigors of consistent, high-intensity training sessions.
Installation Complexity
Requires specific tools and mechanical knowledge for proper BB30 seating.
Drivetrain Responsiveness
Direct power delivery makes every pedal stroke feel immediate and crisp.
Key Specs
Spindle Length
109mm
Weight
66g
Bottom Bracket Standard
BB30
Compatibility
SISL2 Road Crank, Hollowgram
Intended Use
Road
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