DOWNTUBE STOPS

Split stops on the downtube reduce interference between the derailleur cable casing and the front brake housing. In-line adjuster recommended at least for the front derailleur.

HEADTUBE CABLE GUIDES

Great adjustability but may have interference with the brake cable housing.

Di2 ROUTING

Drilled and reinforced holes in the frame and modifications to run wires for Shimano Di2 shifting system. Hole guid the cables from the downtube through the bottom bracket and out the chainstay.

DOWNTUBE SHIFT BOSSES

This is the traditional method, even for STI or Ergo shifters. Requires a downtube shift adapter.