Ultraight Freewheel For mountain Bike

XD Compatible
Color :Silver
Ratios:9-11-13-15-18-21-24-28-32-36-42T
Material :High strength steel
Weight :about 437g(ULT)

*The material of high tensile steel made by the technology of quench-temper hardening, makes it more durable and has extreme resistance to abrasion.
*The unique design of the gear sprocket exclusively for mountain bike, provides you a better experience to control the shifter.
*We adopted the hollow design to reduce the weight to some extent.

ZTTO "L" Level

ZTTO Cassette offers a larger range, We provide the most practical and cost-effective products on the market. Now, our 11speed 9-42T L cassette has an improved structure for smoother shifting.

9-42T 466% RANGE

The new ZTTO 9-42T cassette weighs about 437 grams, and has a 466% gear range ,and it's cheaper than all competitors'.

9T ! We did it

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.

XD Compatible

Light Weight 437g(ULT)

Light weight and strong, a perfect balance

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

Attention

*We have got the reference description for you, please check the actual need with your bicycle before order this product.