Factory Cannondale Hollowgram Spidering in a 46/30t Mid Compact configuration. NEW in factory packaging. Chainrings are 10, 11 and 12 speed compatible, perfect for your 2x Gravel or CX bike. Mounts to all Hollowgram crank arms, both Si, SL and SiSL2. Any Questions? Just ask!
One Cannondale Hollowgram OPI Spidering, 46/30t