Take it to 11.
It’s the cherry on top. The hollow SiSL2 crankset, paired with the SpideRing SL, is the pinnacle of upgrades for any bike.
Where it thrives
Challenging trails, the open road, up and down hills
What it’s built for
Durability, efficiency
Key Features:
- Compatible with all Cannondale Si Spiders and SpideRings
- Refined shapes and 30mm spindle for ultimate stiffness-to-weight
- 135g/arm including hardware




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