Shimano Dura-Ace ST-R9270 Di2 Shift/Brake Lever & Caliper

No, the ST-R9270 levers are specifically designed for Shimano's 12-speed Di2 road drivetrains. They will not function with older 11-speed components.

The levers use coin-style CR1632 batteries that typically last between 1.5 and 2 years. Because the shifting itself is wireless, you only need to monitor these small batteries, while the main derailleur battery remains separate.

The wider pad clearance significantly reduces the likelihood of rotor rub, which is a common annoyance with hydraulic disc brakes. This ensures your wheel spins freely without that persistent ticking sound, even after the brakes heat up during long descents.

Yes, the levers feature adjustable reach, allowing you to customize the distance between the lever blade and the handlebar. This is a key feature for ensuring comfortable, safe braking control regardless of your hand size.

Absolutely. By using a single-piece construction, the caliper gains significant structural rigidity compared to two-piece designs. This translates to a firmer, more responsive feel at the lever and more consistent, powerful braking under heavy load.

The new design features a raised hood visor and a slightly longer body, which provides a more secure and ergonomic grip. This shape allows for a more natural hand position, reducing fatigue in your palms and wrists during long hours in the saddle.