120/90 BCD Chainrings

Get lower gearing on your road/gravel/cyclocross bike with the new 120/90mm BCD spider from Cannondale. Get as low as a 30t inner ring so you can spin right up the big hills!

The spider is compatible with Cannondale Si, Hollowgram Si, and Hollowgram SiSL2 crank arms. The chainrings are made in pairs so look for the matching big and small ring as you look for your new lower gearing! Note that you will need 8 male chainring bolts as the spider is threaded and each ring mounts independently. 

The crank setup pictured below is on a 2018 Synapse Carbon Ultegra with 50/34t chainrings. Get as low as a 46/30t setup. 

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