Sunrace RDMS100 10sp Rear Derailleur Med Cage w/Bolt Black 126 and connect with your wireless

and connect with your wireless headphones for phone-free listening

crashes included

stretch-poly palm

cool in the summer and warm in winter

Extremely heat resistant - certified for rim brakes

Sunrace RDMS100 10sp Rear Derailleur Med Cage w/Bolt Black 126 and connect with your wirelessDirect mount medium cage Alloy cage with adjustable chain stabilizer Alloy cage and forged alloy links 13t lower pulley and 13t upper pulley Max rear sprocket is 51t with 1X setup; 11 51t Total Capacity 41t 10 speed compatible TECH SPECS model RDMS100 mount 10x1 standard speed 10sp cage medium retention no min max 10 51t capacity 41t weight 366g color black