Shimano Dura Ace RD-R9100-SS 11-Speed Rear Derailleur Speed_10 Featuring a robust 6066-T6 alloy

Featuring a robust 6066-T6 alloy shell and high-strength 7075-T6 axle and freehub body with stainless steel insert to prevent gouging and wear

THE PERFECT RACER

Conforms to major airline regulations

Tubeless valve MTB/road 40 mm

0 87 700x28c * 5

Shimano Dura Ace RD-R9100-SS 11-Speed Rear Derailleur Speed_10 Featuring a robust 6066-T6 alloyDURA ACE Rear Derailleur 11 speed RD R9100 SS DURA ACE 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. FEATURES Stable shifting performance Pulley follow up in certain distance SHIMANO SHADOW RD construction Low profile rear derailleur design Race endurance for less damage in crash Adapted