Ird Alpina-D Touring Front Derailleur (Braze-On)
- Bottom-pull
- Cold-forged aluminum body
- Works with touring triples (110 BCD), standard triples (130 BCD) and wide range doubles.
- Max chainring of 52T
- Derailleurs use IRD front derailleur clamps diameter: 28.6mm, 31.8mm, 34.9mm, and a stright-