Speed:11/12 speed
Material: Steel
Color:Rainbow,Silver,Black,Gold
Ratios:
9-11-13-15-18-21-24-28-32-36-42T(11s 9-42T)
9-11-13-16-20-24-28-32-36-40-46T(11s 9-46T)
9-11-13-16-20-24-28-32-36-42- 50T(11s 9-50T)
9-11-13-15-18-21-24-28-32-36-40-46T(12s 9-46T)
9-11-13-15-18-21-24-28-32-36-42-50T(12s 9-50T)
10-12-14-16-18-21-24-28-32-36-42-50T (12s 10-50T)
10-12-14-16-18-21-24-28-32-36-42-52T (12s 10-52T)

XD hub only compatible!!

9-50T 556% RANGE

The new ZTTO 9-50T cassette weighs in at 375 grams, and has a 556% gear range For comparison, SR's 10-50 tooth X01 cassette weights 360 grams with a 500% gear range, cost about 340USD. while Shi's 11-51 tooth cassette weighs 367 grams with a 510% gear range. cost about 315 USD.

XD Hub driver compatible

Good performance with xd hub driver.

Ultralight weight 375g

Weighs about 375g