BR-R451
| Series | SHIMANO | ||
|---|---|---|---|
| Model no. | |||
| Color | 1 | Black | |
| 2 | Silver | ||
| Type | SUPER SLR Dual Pivot | ||
| Reach (mm) | 57 | ||
| Brake shoe | Standard | R50T2 | |
| Optional choice | - | ||
| Compatibility | SUPER SLR | ||
| Assembly pivot nut (mm) | Front (mm) | 10.5 | ✔ |
| 12.5 | ✔ | ||
| 18.0 | ✔ | ||
| 27.0 | ✔ | ||
| 32.0 | - | ||
| Rear (mm) | 10.5 | ✔ | |
| Cartridge shoe holder | - | ||
| Tire guide bumpers | - | ||
| Quick release lever | ✔ | ||
| Shoe angle adjusting | ✔ | ||
| Spring tension adjusting | - | ||
| Maximum tire size | 32C | ||
| Rim width (mm) | 19-26 | ||
| Cartridge shoe holder | Material | - | |
| Finish | - | ||
| C-arm | Material | Aluminum | |
| Finish | Painted | ||
| Y-arm | Material | Aluminum | |
| Finish | Painted | ||
| Gate | Material | Aluminum | |
| Finish | Painted | ||
| Quick release lever | Material | Resin | |
| Finish | - | ||
| Titanium cable fixing screw | - | ||
| Titanium pivot bolt | - | ||
| Average weight (g) | - | ||
| Note | Quick release lever wider open Maximum tire size: 32 mm | ||