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
For double chainsets with 28 tooth max cassette
Compatible with 4700 10-speed double road drive systems only