ZTTO 11 Speed Bicycle Cassette 9-46T 50T MTB XD Hub Fit 11S ULT Steel Mountain Bike 11speed 9-42T 7K Sprocket Freewheel

ZTTO 11 Speed XD Cassette

Gear Ratio:
9-42T: 9-11-13-15-18-21-24-28-32-36-42T
9-46T: 9-11-13-16-20-24-28-32-36-40-46T
9-50T: 9-11-13-16-20-24-28-32-36-42-50T

Material :
9-46T/50T ULT Version: High strength steel and 7075 Alloy(46T/50T/52T)
9-42T L Version: High strength steel

Weight :
ULT Version about 378g(46T), about 381g(50T),
42T L Version: About 438g

Rb = Rainbow color
Sil = Silver color
Gd = Gold color

Ultra light Weight

ULT version weight only about 378g, light weight and strong, a perfect balance

XD Compatible

this cassette is compatible with XD hub only, just like XX1 XG1199 cassette, please note.

Upgrade locking ring

Newest version cassette upgrade to more stronger locking ring

ZTTO Ultimate series

ZTTO Cassette offers a larger range, more value and lighter weight than the competition. Now, our ULT cassette has an improved structure for smoother shifting.

9T not only increased the range, but also reduce the weight of the system, because there is a greater range allows you to use a smaller chainring, also reduces the risk chainring hit stone

CNC Made, Precise Shifting Performance

What is the difference between ULT and ULT pro?

ULT pro, The chain will not fall when the pedaling back. Increase 50T thickness to accommodate greater pedaling power.

9-42T L version

Experience the latest technology at an ultra-low price. Although the weight is relatively heavy, it is finally worth the price.