The R3 shell combines carbon and nylon with a Kium hollow rail for incredible strength-to-weight ratio

Finished with carbon rails and Fibra-Tek material

and also keeps your internal wires and hoses from rubbing on the crank spindle

Designed to stand alone and eliminate the need for those needlessly bulky layers

The spacers and bearings can be rearranged for Q factors of 51

De Rosa Corum Disc - Black/White - Size 49 (54.5 TT) Frameset Look The R3 shell combines carbonDe Rosa Corum Disc SUPER sale at $2,500 off! 54. 5 cm top tube. Black White Logo Livery. Warranty included. Frameset includes frame, fork, axles, and headset. Custom steel frameset with carbon fork, handbuilt in Italy. Contact us to add an Ultegra Di2 8170 12 speed groupset for $2,500!