ZTTO Ultralight 11S 9-50T XD ULT pro Rainbow Cassette

Material: Steel
Weight: about 371g(11 speed)
Ratios: 9-11-13-16-20-24-28-32-36-42-50T
Color:Rainbow(Every cassette cog has different color)
XD 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.