KCNC sprocket set red for 11-36 to 11-40 upgrade, Shi/Sr comaptible

Update your 10S cassette (11-36T) to a wide range with these replacement teeth. Compatible with 1x10 or 2x10 drivetrains, replacement for Shimano or Sram 10S cassette 10 speeds: 11-13-16-19-21-24-28-32-36-40 sprocket material: AL7075 (40T), SUS420 (16T)