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Technical Documents
Features
- Improved surface treatment
- Wide link design
- 9-speed
- Multi clamp: 28.6mm/31.8mm, 34.9mm (w/ adapter)
Specifications
| Model Number | FD-4503-B |
| Series | TIAGRA |
| Cassette Compatibility | 9-speed |
| Top Gear Teeth | 50T |
| Maximum Capacity | 20T (triple) |
| Link Bushing | - |
| Spring Cover | yes |
| Chain Stay Angle | 63-66 |
| Mounting | band |
| Chain Line | 45mm |
| Band Mount | 28.6/31.8/34.9mm |
| Band Material | aluminum/clear coated |
| Outer Link | aluminum/clear coated |
| Inner Link | zinc/plated |
| Chain Guide | steel/pearl bright plated |
| Average Weight |