Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur GRAVEL so your family will thank

so your family will thank you during those early morning rides

and an utter buzzkill with a flat tire

Featuring a sintered metallic compound

Given that tire volume varies with rim width

Sizes: 38cm

Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur GRAVEL so your family will thankThe 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