Bicycle Chain, 21/24/27 Speed Bike Chains Steel Hollow Chains for Mountain Bike.(27)

【COMPATIBILITY】F90 8/9 chain is suitable for 21/24/27 speeds. Suitable for most mountain and road bikes. 【ANTI TEAR】: The chain is resistant to stretching and is able to withstand a little more wear, which means you can get more mileage from the bike chain. Reasonable design: The hollow design offers super light weight, but also easy to eliminate internal siltation during the working period, difficult to block. 【PREVENT RUST】: By using high quality steel, the anti-rust coating can increase the life of the chain and reduce the rust that affects the operation of your chain. 【GUARANTEE】: If you are not satisfied with the product you received, you can request unconditional return and refund within 180 days. Regarding any issues related to this product, you can email us at any time. We will answer you as soon as possible.