ZTTO MTB Ultimate 11 Speed 9-42T L XD Cassette 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.

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