VGEBY1 21/24/27 Speed Bicycle Chains, Steel Hollow out Chains for Road Bike, Mountain Bike

Good design - Hollow-out design is easy to get the internal silt out while during working period. Clean and oil the chain after every venture down muddy tracks SuItable for - The chain is well constructed and the links move freely without play. F90 8/9 chain is suitable for 21/24/27 speed. Suitable for most mountain bike and road bike Very practical - You can use a chain link splitter tool to obtain a desirable chain length and tension Great replacement - It runs quietly and smoothly with crisp gear changes. This chain is a simple replacement. Warranty - If you have any questions about this product, please feel free to contact us, we will try our best to help you solve your problem