https://cycolo.com/en-us/products/front-chainwheel-fc-r8100-ultegra-for-rear-12-speed-hollowtech-2-172-5-36-52 2026-09-26T16:52:14-07:00 daily https://cdn.shopify.com/s/files/1/0594/1061/2373/files/1e2cab311b786351f238178a6ece6a9c71eae4ca_51eb7971-9d36-49f9-b87e-a4bd63f647b5.png?v=1790444921 FRONT CHAINWHEEL, FC-R8100, ULTEGRA, FOR REAR 12-SPEED, HOLLOWTECH 2 172.5 36/52 https://cycolo.com/en-us/products/click-to-enlarge-front-chainwheel-fc-rx610-2-grx-for-rear-12-speed-165mm-46-30 2026-09-26T16:52:14-07:00 daily https://cdn.shopify.com/s/files/1/0594/1061/2373/files/cdb1290dd50ab53fed2997da3fb3d217be0299b7.png?v=1790445855 Click to enlarge FRONT CHAINWHEEL, FC-RX610-2, GRX, FOR REAR 12-SPEED 165mm 46/30