The best "DURA-ACE" grade Di2 dual control lever in ROAD COMPO. Outstanding control and reliability even in racing situations Ergonomic lever shape for easy operation. Intuitive quick shifting, clear click and ergonomic shift lever position. Lightweight design CFRP bracket, ideal ergonomic design cover shape for different riders Multi-switch ON/OFF function on each switch. Customizable features to fit your riding style. Brake cable included Type: Front & Rear Compatible Speeds: 2 x 11 Speeds; Lever Type: Dual Control Lever Shift Type: Electric Di2; Compatible Brakes: SLR EV (Cable Type) Clamp band diameter: 0.9 - 0.9 inches (23.8 - 24.2 mm); E-TUBE connector: None; Remote sprinter shift: 1 (each lever); Reference weight: 8.1 oz (230 g) / pair