- Saint Shadow rear derailleur, low profile, super wide link, super tough, this is a must have component for any gravity rig. - Shadow design with smooth skid plate surface features a super low profile design that reduces the risk of damage from trail side hazards - Using a mode converter on the body this rear derailleur works with cassette ratio of 11-23 to 11-28 tooth, or 11-32 to 11-34 tooth - Single tension spring prevents contact with the chainstay resulting in a silent ride - Direct cable routing prevents snagging from any trail side hazards - Cold forged alloy links and pivot body's leads to lower weight without compromising strength and durability - Four fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trails - Super wide link gives awesome rigidity, bracing the mech body to increase pivot joint rigidity resulting in a crisp shift - Strong return spring for a positive shifting feel - Mega9, 8 & 7-speed compatible - Durable Ceramic bush and sealed bearing pulley wheels - Top normal spring uses the spring to select higher gears, best suited to use with Rapidfire shifters - For double ring use with a total capacity of 31 tooth, or 37 tooth with mode converter.