Offering pro-level features, the 10-speed compatible Tiagra rear derailleur gives high performance at a low price Wide link design increases rigidity and service life Advanced light action for low-friction shifting up or down the block Alloy body’s and outer link leads to lower weight without compromising strength and durability 11-tooth pulleys for reduced pulley wear and chain noise Two fluorine-coated link pin bushings for low-friction performance Compatible with 4700 10-speed road drive systems only Product Type: Rear Derailleurs Speed: 10 Speed Discipline: Road Colour: Grey Di2: No GS Medium Cage – 32 tooth max with triple, 34 tooth max with double chainset SS Short Cage – 28 tooth max capacity
