Teeth synchronized, (wide tooth - tooth narrow) XX1 Cannondale Hollowgram cranks
> Cannondale Hollowgram Si, SiSL, SiSL2, F-Si
> Material:cnc machined 7075 Txxx Aluminum. Long-lasting construction
> Finish: anodizing
Weight: 55g (28T); 56g (30T); 57g (32T); 70g (34T);
Spiderless chainrings allow for flawless single speed or Cannondale Hollowgram Si, SiSL, SiSL2, F-Si.
These chainrings save more than 150g over regular spider and chainring combo. Reliable, extremely light, stiff and clean looking on the bike.
Fear no more about loose chainring bolts or compatibility issues – go spiderless!
Chainring tooths optimized for greater chain retention while riding in rough terrain. In most cases chainkeeper is not necessary.
The lightest solution on the bicycle market
