LANXUANR 9 Speed Mountain Bicycle Cassette Fit for MTB Bike, Road Bicycle，Super Light (11-40T)

• 【Note】A variety of specifications are available for your choice, please carefully check the specifications you need before purchasing. Choose the one that suits you best.(Includes 25T to 50T, 8 specifications)
• 【Best Choice】Bike flywheel is made of quality steel material,high temperature resistance,corrosion resistance, anti-rust, non-deformation, wear-resistant,high performance of durability,good impact performance,high-precision tooth shape,loss- tooth design, strong compatibility,make riding increase more possible
• 【Feature】Provide fast and accurate index conversion function through special tooth profile and ramp, it delivers smooth gear steps across its 9 speed range,Accurate positioning
• 【Easy to Install】Professional manufacturing, directly replace your old or broken freewheel.Wonderful accessory for mountain bike and Road cycling.Easy installation, no need to make any adjustments to the transmission
• 【Compatibility】 Sram and Shimano 9 Speed System.Recommended Use: Road cycling（ 25T and 28T）, Mountain biking（32T-36T-40T-42T-46T-50T),LanXuanr commit for great affortable bicycle parts to improve your performance and experience

9-Speed Gears Colour: silver/black. Transmission speed: 9 speeds Sprocket material: nickel-plated, corrosion resistant. Support Material: High Strength Steel Recommended use: Cycling,Mountain Bike Specifications: 9speed, 11-12-13-15-17-19-21-23-25T, silver, 236g 9speed, 11-13-15-17-19-21-23-25-28T, silver, 283g 9speed, 11-13-15-17-19-21-24-28-32T, silver, 318g 9speed, 11-13-15-18-21-24-28-32-36T, silver, 401g 9speed , 11-13-15-18-21-24-28-34-40T, silver black, 417g 9speed , 11-13-16-20-24-28-32-36-42T, silver black, 429g 9speed, 11-13-16-20-24-28-34-40-46T, silver black, 489g 9speed, 11-13-16-20-24-30-36-42-50T, silver black, 535g LANXUANR is committed to providing fantastic and comfortable bicycle parts to improve your performance and experience