ZTTO CNC MTB Flywheel 11 Speed Aluminum Alloy+Steel Bike Cassette Cycling Replacement Part 83723M • 【High-Quality Material】 Made from

• 【High-Quality Material】 Made from premium PU leather and TPU

• Size: length: 18cm

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First released in 2008

ZTTO CNC MTB Flywheel 11 Speed Aluminum Alloy+Steel Bike Cassette Cycling Replacement Part 83723M • 【High-Quality Material】 Made fromFeatures & Specifications It is made of high tensile Steel+Aluminum Alloy and made by the technology of quench temper hardening. so it has higher strength, durability and has extreme resistance to abrasion. The strong antioxidation makes it hard to rust to have a long service life High precision teeth ensure close connection with bicycle hub for smooth rotation and easy maintenance The hollow design reduces weight and makes your riding easier Use it