SHIMANO DURA ACE DI2 SHIFT SWITCH-SW-R9160Model : Dura Ace Di2 Thanks to the single and simple button design and the refined and ergonomic shape, the SW R9160 DI2 triathlon remote change control offers a quick change during the race with aerodynamic handlebars. Using the Shimano SYNCHRONIZED SHIFT program, each shift control at the handlebar end can be programmed to shift or shift with the shift while the DI2 computer decides when to make the derailleur crown changes for the optimal

Rear speeds: 9

Compatible with HG 12-speed chains

Pair it with a Minion DHF up front for the ultimate aggressive trail riding tire combo

Number of Teeth    ‎36

Model Number：SL-M3000

rear derailleur: RD-R7100

Seatpost bag for bikepacking

HG spline (ROAD 11-speed)            : Yes

- Faster retraction of the pistons

Drilling: Fore Carbon tapeless tubeless technology (front/rear 24 holes)

their innovative ergonomics are even more important to consider than adding additional gearing

Compatible brake type V-BRAKE: ✔