Sorry, this product is no longer available!
Shimano Tiagra Rear Derailleur is no longer available at Merlin Cycles. However you may find an alternative or updated product below.

This item was discontinued 23rd September 2014.

If you require help finding an alternative to this product please contact customer services.

  • Offering pro-level features, the 9-speed compatible Tiagra rear derailleur gives high performance at a low price
  • Tiagra rear derailleurs are Mega9 compatible 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 withTwo fluorine-coated link pin bushings for low-friction performance.
  • 4400 is the slightly older 8/9 speed model, 4500 is the last 9 speed model
  • SS is short cage, GS medium cage



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Excellent part to replace a bent 105 very good price
I've just replaced the original Tiagra mech on my audax bike after about 30,000 miles. The new one was easy to fit, adjust and works perfectly (as you would expect from Shimano). Simply excellent.