Cannondale 8 Arm Road Spidering SL Chainrings as beautiful as the cranks are, the most eye-catching feature of the cranks are the OPI SpideRings.

Inspired by auto racing wheels the one-piece design saves weight and reduces chainring deflection for crisper, more precise shifts. SpideRings are available in many different configurations .

There’s a formula Cannondale use to help their sponsored riders win races and take championship titles: System Integration. Cannondale shaves weight, improves stiffness, and use fewer moving parts than other competitors.


The Spider fits to all SI Hollowgram Cannondale cranks. 

 One-piece spider and rings are 3D forged and machined from a single block of aluminum


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