Shimano Tiagra FD-4500-B 9Spd DoubleRing Front

5019-054

Description

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This top-swing, bottom-pull front derailleur is from the mid-range Tiagra line, and fits road bikes with 2 front chain rings. A quality component at an excellent price.

  • Shifting cable is routed from the bottom.
  • 34.9mm easy access clamp design.
  • Comes with multiple shims to fit a range of seat tube sizes.
  • Compatible clamp sizes: 28.6, 31.8mm.
  • Top gear teeth capacity is 50–56T.
  • Crank/front derailleur/shifter compatibility: road double (2 x 9 speed).
  • Compatible with 9-speed chains.

Tech specs

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Mounting

Braze-on mounting uses fittings permanently mounted to the frame. Collar mounted derailleurs secure around the seat tube with a clamp. Direct mount are fastened to the chainstay.

Collar
Cable pull

Bottom-pull are operated by a cable running from below. Top-pull are operated by a cable running down from above. Dual-pull are equipped to be operated by either top or bottom.

Bottom
Crankset compatability

A double is ideal for cranksets with two chainrings. A triple is designed for cranksets with two or three chainrings.

Double
Made in Japan