• Optimized for 20% higher stopping power (than BR-M585) by servo wave
• Opposed 2-piston system
• New designed rotor
| Model Number | BR-M665 |
| Series | SLX |
| Brake Type | Hydraulic Disc Brake |
| Compatible Brake Lever | BL-M665 |
| Reinforced Parallel Push | |
| M System Brake Pad | |
| Brake Pad Types | metallic / resin |
| Cartridge Shoe Holder | |
| Spring Tension Adjuster | |
| Hydraulic Fluid | Shimano genuine mineral oil |
| Brake Hose Type | SM-BH59 |
| Caliper Mount Type | International standard Post mount |
| Caliper Material | aluminum |
| Caliper Finish | painted |
| Piston Type | Opposed 2-piston |
| Average Weight | 300g (pair) |
