rim brakes are the tried-and-true option. The Dura-Ace Di2 ST-R9250 Shift/Brake Levers provide Shimano's 12-speed electronic shifting to riders who want to stick with the simplicity and low weight of mechanical brakes. ...

placed anywhere on your extensions or drop bar without having to worry about proper wire length or internal routing. Pair through your primary shifter, place wherever you want and go ride.

Shimano Di2 Shift Mechanism: Electronic (Wired) Front Derailleur Style: Down Swing (High Clamp/Traditional) Cable Pull: - Max Chainring: 38T Derailleur Capacity: 10T Chainline: - Chainstay Angle: 66 - 69° Color: Silver/Black Weight: ...

rim brakes are the tried-and-true option. The Ultegra Di2 ST-R8150 Shift/Brake Levers provide Shimano's 12-speed electronic shifting to riders who want to stick with the simplicity and low weight of mechanical brakes. ...

brake and shift lever set. With a shift and brake quality that is on par with the top-level Dura-Ace, these Ultegra shift/brake levers vastly outperform their price. The short and light lever ...