11 speed

2x11 speed, max 34T

2 x 12 speed, long cage, max 36T

1 x 8 speed, max 45T, min 11T, compatible with regular 8 speed gear shifters and chains, compatible with CS-HG400-8 11-45T cassette

1 x 9 speed, direct mount, medium cage, max 46T, capacity 35T, compatible only with Linkglide drivetrain systems