Item1: Ltwoo A3 Medium cage
Compatible max sprocket: 32T(3*8speed）
Shadow RD with slant design
2:1 tech, Shimano Compatible
Suit for MTB Bike / Folding Bike
Total capacity: 39T
Weight: about 243g
Item 2: Ltwoo A3 Long cage
Compatible max sprocket: 36T(3*8speed）
Shadow RD with slant design
2:1 tech, Shimano Compatible
Weight: about 250g