Cannondale SI SL2 Bottom Bracket Spindle
Cannondale
Cannondale

Cannondale SI SL2 Bottom Bracket Spindle

4.3

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

Out of stock

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.

Excellent

Structural Rigidity

Engineered to handle high-wattage sprints without sacrificing power transfer efficiency.

Excellent

System Integration

Designed specifically for Hollowgram cranks, ensuring a perfect, seamless fit.

Excellent

Durability

Robust materials withstand the rigors of consistent, high-intensity training sessions.

Excellent

Installation Complexity

Requires specific tools and mechanical knowledge for proper BB30 seating.

Good

Drivetrain Responsiveness

Direct power delivery makes every pedal stroke feel immediate and crisp.

Excellent

Key Specs

Spindle Length

109mm

Weight

66g

Bottom Bracket Standard

BB30

Compatibility

SISL2 Road Crank, Hollowgram

Intended Use

Road

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Cannondale SI SL2 Bottom Bracket Spindle

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