Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur Groupe Allow 2-3 easy rides to

Allow 2-3 easy rides to settle into your SemiPro set up

We opted for an aluminum alloy that will bend before breaking

developed for increased grip and control in all weather conditions

Rolls are 8m (enough for 4 wheels)

Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur Groupe Allow 2-3 easy rides toThe Shimano Dura Ace Di2 RD R9250 12 Speed Rear Derailleur represents the pinnacle of electronic road shifting. Developed for WorldTour racing and engineered for uncompromising performance, the RD R9250 delivers Shimanos fastest, most precise rear shifting ever. Featuring a semi wireless Di2 design, integrated wireless connectivity and intelligent system management, it provides lightning fast gear changes under full load while maintaining the