Description
Will this work?
- Shimano Ultegra 9-speed triple front derailleur
- 31.8mm clamp-on mount — fits modern road and touring frames
- Bottom pull cable routing — confirm frame routing before ordering
- Compatible with 8, 9, and 10-speed Shimano STI drivetrains
- Max chainring: 52t outer
- All hardware included, ready to install
Condition: Very good plus. Light scuffs from light use only. Logo is clean and clear. Cage and springs are tight.
Notes from MyBikeThing: The FD-6503 is the go-to Ultegra triple front derailleur for 9-speed road and touring builds — and increasingly hard to find in this kind of shape. Ultegra-grade construction with clean shifting action. Whether you’re restoring a period-correct triple build or converting a double, this is the correct part to reach for.
Workshop Wisdom: Triple front derailleurs are more sensitive to cage height than doubles — set the outer cage plate 1–3mm above the largest chainring teeth before setting limit screws. Too high and shifts will be slow; too low and you’ll get cage strikes. Get the height dialed first, then limit screws, then cable tension.
Guarantee: You put in the miles, we put in the work! 30-day Guarantee, rest assured of fit, function and condition. 🙂
Keywords: Shimano Ultegra, FD-6503, triple front derailleur, 31.8mm, bottom pull, 9-speed, road triple, touring bike, clamp-on, 6500 series, 3×9









