Shimano Tiagra FD-4503-B 9Spd TripleRing Front

5019-055

Shimano Tiagra FD-4503-B 9Spd TripleRing Front

5019-055

Description

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This top swing/bottom-pull front derailleur is from the mid-range Tiagra line. A quality component at an excellent price.

  • 3 chain rings in the front.
  • Shifting cable is routed from the bottom.
  • 34.9mm clamp with easy access design.
  • Multi clamp/bottom-pull construction, with multiple shims for clamping onto a range of seat tube sizes.
  • Compatible clamp sizes: 28.6, 31.8 and 34.9mm.
  • Top gear teeth: 50T.
  • Crank/front derailleur/shifter compatibility: road triple (3 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.

Triple
Made in Japan