Specifications
- Strong light alloy construction.
- Compatible with double-chainring cranksets.
- 1-1/8 clamp diameter.
- Our highest-end two-chainring front derailleur.
- Weight: 120 grams.
Features
- New "Advance Design" (AD) derailleurs use an exclusive cam function that gives the cable more leverage and lighter shifting.
- New "Align" (AN) derailleurs feature tighter tolerance for improved shifting.
- All derailleurs have high-low adjuster screws that are easy to access.
- Standard-pull and Top-Pull(TP0 derailleurs meet both kinds of cable routing.
- Small, medium and large clamps enable SunRace front derailleurs to fit any diameter seat tube, from 1 1/8" to 1 1/2".
- Upper-end SunRce derailleurs have a heat-treated chain guide for resistance to wear and bending.
- SunRace makes front derailleurs for bikes with only two chainrings and for bikes with downside big rings(44) or smaller.
| Model | Chainrings | Bigist chainring | Material | Weight(G) | Index/Friction | Clamp diameter | Capacity | Packing/shipping | Shimano compatible |
|---|---|---|---|---|---|---|---|---|---|
| SR-491 | 2 | 52T | Aluminum alloy | 120g | Friction | 1-1/8"/28.6mm | 18T/Bottom-Pull | 100pcs./1.03cft 11kg NW/12kg GW | YES |
Main Products
bicycle bike accessories component