Size:18-24 Speed Material type:Steel Batteries included?:No Product Dimensions:1 x 1 x 1 cm; 305 Grams Features: - Hollow-out design delivers super light weight, also easy to get the internal silt out while during working period, difficult to get stuck. - High-grade steel construction is strong and reliable, durable for long term use. - The anti rust coating can increase the chain life and reduce rust affecting the running of your chain. - The chain is stretch-proof and is able to withstand a little more wear and tear which means you can get more mileage of the bike chain. - Compatible for most mountain bike and road bike. F90 8/9 chain is suitable for 21/24/27 speed. Specification: Item Type: Bike Chain Material: High-grade Steel Optional Style: 27 Speed, 18-24 Speed Size: Approx. 25 * 15 * 10cm / 9.8 * 5.9 * 3.9inch Weight: Approx. 305-331g Package List: 1 * Bike Chain About this item [Easy to Install]: Chain joints for the magic buckle, easy to disassemble, easy to clean and reusable [Material]: High-grade steel construction is strong and reliable, durable for long term use [High Performance]: The anti rust coating can increase the chain life and reduce rust affecting the running of your chain [Compatibility]: Compatible for most mountain bike and road bike; F90 8/9 chain is suitable for 21/24/27 speed [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on weekdays [Easy to Install]: Chain joints for the magic buckle, easy to disassemble, easy to clean and reusable [Material]: High-grade steel construction is strong and reliable, durable for long term use [High Performance]: The anti rust coating can increase the chain life and reduce rust affecting the running of your chain [Compatibility]: Compatible for most mountain bike and road bike; F90 8/9 chain is suitable for 21/24/27 speed [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on weekdays