DESCRIPTION The 7-speed X - HORIZON â„¢ rear derailleur makes shifting smooth and reliable no matter where you ride. Engineered to maintain consistent chain gap across all seven gears, X - HORIZON â„¢ eliminates vertical movement for faster shifting, reduced force and an end to ghost shifting shift. ROLLER BEARING CLUTCH â„¢ technology and the 12-tooth X - SYNC â„¢ pulley wheels hold the chain in place, reducing bounce and chain slap. And CAGE LOCK â„¢ technology makes wheel removal and installation easier than ever. Paired with the X 01 DH 7 - speed shifter, X - HORIZON â„¢ forms the backbone of X - ACTUATION â„¢ technology-and that means completely smooth shifting action. ~X - HORIZON â„¢ technology provides more responsive shifting and eliminates ghost shifting, common problem on DH bikes ~X - ACTUATION â„¢ with more cable pull delivers optimized system performance and durability ~Two cage lengths for various applications, including abnormally long chain stay growth ~ROLLER BEARING CLUTCH â„¢ with CAGE LOCK â„¢ sets the industry standard Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER