Shimano 8170 Di2 Rh Sti W Bk Food & Game Preparation the Wilderness is the perfect 106652 GI62XLREG the Wilderness is the perfect blend of functional technology and comfort 560g size 42 Features The wireless connection provides a clean cockpit enhancing the aerodynamic effect and easy maintenance Wider pad clearance decreases brake noise Maintenance friendly bleeding process Unparalelled ergonomic features such as raised hood peaks on levers Brake control is optimized with light and smooth lever action Enhanced modulation thanks to an expanded braking control area Compatible with wireless or wired connection Your time on the bike is precious let Shimano make it even better