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RR MECH Tiagra R4000 11sp
Tax included.
- Offering pro-level features, the 11-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
- Two fluorine-coated link pin bushings for low-friction performance
- 36 tooth max cassette with double chainset
- Compatible with 11-speed chains, CSRS40011146 and ST-R4020/ ST-U6030 STI's only
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