Defy the norms.
The hollow Si crankset, paired with the any SpideRing, is an impressive upgrade for any mountain or road bike.
Where it thrives
Challenging trails, the open road, up and down hills
What it's built for
Durability, efficiency
Highlights
- Compatible with all SpideRings and HollowGram spindles
- Self extracting bolts for easy removal
- 172g/arm including hardware
Track every ride with the Cannondale app
Learn more
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