Shimano Dura-Ace Di2 RD-R9150 Rear Derailleur 11-Speed Short Cage Max 30T Size:Max 30T this battery holder reflects a

this battery holder reflects a commitment to quality and precision

This adapter is a great option if you want a streamlined cockpit with a professional feel

consume within 24 hours

a component engineered for precision and reliability

Trail-Mountable Bracket IncludedComes with a neat underbottle-cage bracket and rubber strap for secure mounting to your frameensuring your pump travels where you do

Shimano Dura-Ace Di2 RD-R9150 Rear Derailleur 11-Speed Short Cage Max 30T Size:Max 30T this battery holder reflects aRD R9150 DURA ACE Di2 Rear Derailleur SHIMANO SHADOW RD 11 speed The DURA ACE 9100 derailleur blends an aerodynamic SHADOW design with enhanced range options in a lightweight, attractive mechanism aimed at discerning road cyclists. The RD 9150 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. Ergonomic shifting operation without stress SHIMANO synchronized shift Low profile rear derailleur design