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
- Compatible with all Cannondale Si Spiders and SpideRings
- Refined shapes and 30mm spindle for ultimate in stiffness-to-weight
- 135g/arm including hardware
Model NameHollowGram SiSL2 Crank Left Arm