Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur MTB ultra-compact seat bag that attaches

ultra-compact seat bag that attaches to the rails using the BOA® Closure System

Spanning 160 to 175 mm

Designed for use with a hex key L wrench allowing you to find the best possible angle for leverage

83g (110mm)

This combination of design characteristics produces a cage that has better retention on gravel and other harsh surfaces and has proven to be the superior design when mounted on the underside of the down tube

Shimano Dura-Ace Di2 RD-R9250 12 Speed Rear Derailleur MTB ultra-compact seat bag that attachesThe 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