SHIMANO - CENTER LOCK - Disc Brake Rotor - ICE TECHNOLOGIES - 203/180/160/140 mm
SHIMANO's SM-RT81 compact and lightweight disc brake rotors feature rapid heat dissipation thanks to a deeper disc area and ICE TECHNOLOGIES heat management system. Installing and removing the rotors is quick and easy thanks to SHIMANO's CENTER LOCK design.
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FEATURE
- New compact and light weight rotor with sufficient heat management capacity
- Hyper-efficient heat dissipation
- Rapid heat dissipation with deeper disc area
BENEFIT- Rider tuned brake rotors
- Minimize weight with compact rotors
- Sustain braking performance under high demands
- Size: 140 mm
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | SM-RT81 |
|---|---|
| SERIES | SHIMANO DEORE XT M780 Series |
| Average weight | 173.0 g (203 mm) 149.0 g (180 mm) 122.0 g (160 mm) 100.5 g (140 mm) |
| Remarks | *for rear only in MTB usage |
| Ice technology | ✔ |
|---|---|
| Alloy lock ring | ✔ |
| CENTER LOCK | ✔ |
| Outside diameter_140mm | X* |
| Outside diameter_160mm | ✔ |
| Outside diameter_180mm | ✔ |
| Outside diameter_203mm | ✔ |
| Pad compatibility_Metal | ✔ |
| Pad compatibility_Resin | ✔ |
SERIES LINE-UP
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Front Derailleur FD-M780-A-B
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Front Derailleur FD-M780-A-E
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Front Derailleur FD-M781-A-B
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Front Derailleur FD-M785-E2
