ZTTO Bike Steel Colorful Variable Speed Chain Accessory for Mountain Road Bicycle(Semi Hollow Body

Feature: 1. The chain elongation prevention structure reduces the frictional force to the cassette and gear. Even in the upper slope where the load is high, the chain will not ride on gears, and it can make a sure and quick gear change at that time. 2. Titanium nitride coating makes it free from rust to provide durability. 3. Easy to install and remove, please use chain cutter, gloves and grease when you replacing. 4. Wonderful accessory for mountain bike, road bike. 5. 4 different speed chains for you to choose, meet your different needs. Specification: Item type: Bike Variable Speed ChainCondition: 100percent brand newMaterial: SteelColor: colorful Options: 9 speed(116 section), 10 speed(116 section), 11 speed(116 section), 12 speed(126 section). Package List: 1 x Bike Variable Speed Chain2 x Bicycle chain linksThe chain elongation prevention structure reduces the frictional force to the cassette and gear. Even in the upper slope where the load is high, the chain will not ride on gears, and it can make a sure and quick gear change at that time. Titanium nitride coating makes it free from rust to provide durability. Easy to install and remove, please use chain cutter, gloves and grease when you replacing. Wonderful accessory for mountain bike, road bike. 4 different speed chains for you to choose, meet your different needs.