Shimano Cues RD-U4000 9spd Shadow Medium Cage Rear Derailleur Underwear it's also ultralight

it's also ultralight

are designed for cyclists who demand the highest quality and performance

but we call it the Crux DSW

Hope Seat Post Carbon - 27

Shimano Cues RD-U4000 9spd Shadow Medium Cage Rear Derailleur Underwear it's also ultralightExpand your trail riding comfort zone with smooth operation and dependable performanceThis 1x9 speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail riding comfort zone. Its low profile design and chain stabilisation will give them the confidence to choose rougher routes. Model Number: RD U4000Series: CUES U4000 SeriesColor: Series colorRemarks: E bike ratedRear speeds: 9Compatible chain: LINKGLIDE,