SRAM NX Rear Derailleur 11-SpeedSRAM NX 1x11 Speed Rear Derailleur MTB Bike Bicycle NX Rear Derailleur CAGE (RD): Long CABLE PULL RATIO: X actuation SPEED (RD): 11s COLOR (RD): Black CAGE MATERIAL (RD): Steel

keyword search: Shimano2018

Dirt Jumper

KMC 9 speed \'missing link\'

the PD-T421 has a pop-up cage that makes stepping-in even easier

Material crank arms: aluminum

Virtual concave with 5 mm pins at edge and 4 mm pins at center

Brand: Shimano

Teeth: 32/34/36/38T

Pulley cage: Short Cage(SS) or Medium Cage (GS)

Shifter Type: Rapidfire Plus

and they will work well once properly installed

Newly designed slimmer axle saves weight without sacrificing the strength