ZTTO 11S46T Steel Cassette for Mountain Bike 11 Speed Bike Flywheel Cycling Replacement Part

• It is made of high tensile steel 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 to directly replace your old or broken flywheel. A wonderful accessory for most mountain bikes. Easy to install

Specification:

• SL Style Weight: 548g
• L Style Weight: 572g
• Teeth Rate: 11-13-15-18-21-24-28-32-36-40-46T