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| Model Number | BR-M446-W |
| Series | Non-Series |
| Brake Type | Disc-brake |
| Compatible Brake Lever | BL-M445 / BL-M505 / BL-T445 |
| Reinforced Parallel Push | |
| M System Brake Pad | |
| Brake Pad Types | B01S Resin |
| Cartridge Shoe Holder | |
| Spring Tension Adjuster | |
| Hydraulic Fluid | Shimano Mineral |
| Brake Hose Type | SM-BH59 |
| Caliper Mount Type | International standard / Post mount |
| Caliper Material | |
| Caliper Finish | |
| Piston Type | Opposed 2-piston |
| Average Weight |
