High-Quality Material Crafted from durable materials, the ZTTO Ultralight CNC HGR Cassette promises longevity and reliability, ensuring your bike remains in top condition. Versatile Speed Compatibility With compatibility for 11/12 speed gravel bikes, this cassette ensures a smooth ride across various terrains, enhancing your cycling experience. Wide Range Gear Featuring a range of 11-28/30/32/34/36T sprockets, this cassette provides a wide selection of gears, allowing for efficient pedaling in different cycling scenarios. Sleek Silver Finish The sleek silver finish not only adds to the aesthetic appeal of your bike but also reflects light, enhancing visibility during night rides. Easy Installation Designed for convenience, this cassette offers an easy installation process, saving you time and effort during maintenance. ZTTO Ultimate 11/12 Speed Road Bike HG Cassette Ultraight Freewheel For Road Bike Color: Silver Material:high strength steel+aluminum alloy Compatibility: Road HG system(36.75mm hub body) Weight: 11s 28T about130g（±15g) 11s 30T about 135g（±15g) 11s 32T about 136g（±15g) 11s 34T about 132g（±15g) 11s 36T about 160g（±15g) 12s 28T about 140g（±15g) 12s 30T about 142g（±15g) 12s 32T about 145g（±15g) 12s 34T about 160g（±15g) 12s 36T about 170g（±15g) Attention:Because of process improvement issues, from the second batch onward, there are slight variations in the weight of batch of products. The weight difference is no more than 15 grams. The product option image displays a different current weight.Thank you for your understanding. The material of high tensile steel and aluminum alloy 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. Road HG Hub compatible Compatible with Road HG system(36.75mm hub body) Hollow design,steel+aluminum alloy combined,ultimate weight *We adopted the hollow design to reduce the weight to some extent.

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