Boaby 7-Speed Freewheel,14T/16T/18T/20T/22T/24T/28T Bike High Carbon Steel Freewheel Mountain Bicycle Free Wheel, 7Speeds Cassette Sprocket, for MTB Cycling Flywheel Replacement

• 【100% TOP Material】Constructed of high strength Stainless steel, anti-rust, no deformation, wear-resistant, high performance of durability, smooth surface, smooth rotation, make your bike run better.
• 【100% Top Craft】High precision thread ensures close connection with the bike hub and smooth operation, It can promise smooth rotation of chain without much noise.
• 【Universal Replace】Applicable to almost all mountain bike freewheel, 6-speed freewheel can provide convenient and efficient gear shifting for all riders, universal suitable for the chain link between 14T-28T; the driving speed is fast and it is a labor-saving product.
• 【Perfect Ridding Experience】Bike freewheel rides more labor-saving and faster after installation, and rides the farthest distance with the least effort, the link switching is smooth during riding, and it is not easy to make a sound, making your riding easier and safer.
• 【APPLICATION】Reliable to use, suitable for mountain bike flywheels; suitable for mountain bikes, folding bikes, city bikes, fat bikes, etc.

Specification: Material: Stainless steel Weight: 430g/15.2oz Variable speed: 7 speed Size: 11.5 * 11.5cm / 4.5 * 4.5in Package List: 1 x Bike Freewheel Set