Shimano Dura Ace Di2 ST-R9270 STI Disc

The hydraulic STI shift-brake lever for disc brakes for the new 9200 Dura Ace 12-speed series

The components of the pros: the high-end Dura Ace wireless 12-speed series made from the finest materials – titanium, carbon and aluminium.

The new Dura Ace ST-R9270 Di2 Disc Dual Control shift and brake lever offers improved modulation and control thanks to Shimano’s proven Servo Wave technology. The brand-new Di2 platform is used on Dura Ace and Ultegra, where it ensures the world’s fastest and most reliable wireless shifting.

The new Di2 platform for Dura Ace 12-speed components requires no cable connection between the shift levers and the rear derailleur and front derailleurs. The Di2 Dual Control shift levers ST-R9270 have the necessary wireless module integrated. Power is supplied by CR1632 batteries, which have a service life of up to two years. The Di2 12-speed rear derailleur, with its additional wireless unit, acts as a receiver and distributor of shift signals and is connected to the battery and front derailleur for power supply and shift command transmission. Additional wireless components, including those from third-party manufacturers, can also be paired with the rear derailleur. The shifting logic and speed of the shifting operations, semi-automatic or fully automatic shifting, etc., can be personalised using the E-Tube app.

Shimano Dura-Ace Di2 Disc shift/brake levers ST R9270:

The Di2 Disc wireless shift/brake levers, featuring a new ergonomic shape, are characterised by higher horns that are also slightly angled inwards. Furthermore, the clearance between the brake lever and the handlebar has been slightly increased to enable the optimal balance of comfort and control. Road cyclists will be able to grip the new levers better and more securely with their thumb and index finger, whilst the remaining three fingers can be comfortably positioned between the handlebars and the brake lever. However, thanks to adjustments and enlargements to the design of the shift buttons, these remain easy to reach from the lower handlebar position. Furthermore, the two shift buttons on each STI lever are now positioned at a greater height difference from one another, enabling more intuitive operation, particularly with wet, cold fingers or full-finger gloves. In addition, the shift-brake levers feature classic cable connections for mounting additional shift levers.

Shimano 12-speed Di2 installation:

Shift commands are transmitted wirelessly from the shift levers to the rear derailleur. Only the rear derailleur and front derailleur are now wired to the battery. This ensures a clean look and significantly reduces the installation effort. The shift levers are powered by CR1632 batteries. The shift levers feature an additional cable connection, allowing for the connection of additional shifters. Traditional cabling from the shift levers to the battery is also possible. The new battery has three slots.

Shimano Dura Ace Di2 Shift/Brake Levers ST R9270 Technical Specifications:

• For 12/2-speed drivetrains
• Carbon composite
• Wireless function
• 1 x SD300 connector
• CR1632 batteries
• Adjustable grip width
• Compatible with 12-speed Dura-Ace and Ultegra Di2 rear derailleurs and front derailleurs
• Equipped with programmable Multishift function
• Brake fluid required: mineral oil
• Required brake line: SM-BH90-JK-SSR
• Weight: 175 g

Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com