The Shimano SLX / 105 / GRX SM-RT70 Center-Lock Ice-Tech disc rotor with excellent heat dissipation ensures powerful and consistent braking performance in all conditions.The ICE TECHNOLOGIES rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. SHIMANO’s CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.
Features – Shimano SLX / 105 / GRX Center-Lock Disc Rotor SM-RT70
- ICE TECHNOLOGIES Disc Rotor
- Stainless steel/Aluminum/Stainless steel 3-layer sandwich structure
- Longer pavement service life
- Significantly quieter braking
- 140mm and 160mm optimal for Road / Gravel
- Lockring type with internal (Internal Serration) or external (External Serration) toothing
Product features
- Use:Â MTB, Road, Gravel
- Group:Â SLX, 105, GRX
- Model:Â SM-RT70
- Disc:Â Center-Lock
- Pad compatibility:Â Metal / Resin (with BR-S700 and BR-S7000 Resin only!)
Diameter (choose variant)
- 140mm intern (SM-RT70-SS)
- 140mm extern (SM-RT70-SSE)
- 160mm intern (SM-RT70-S)
- 160mm extern (SM-RT70-SE)
- 180mm intern (SM-RT70-M)
- 180mm extern (SM-RT70-ME)
- 203mm intern (SM-RT70-L)
- 203mm extern (SM-RT70-LE)
Lockring type with internal or external tool holder!
Compatibility – Brake Caliper
- BR-M9100*, BR-M9120, BR-M9110-R**, BR-M9000, BR-M9020, BR-M8100, BR-M8120, BR-M8110-R*, BR-M8000, BR-M8020, BR-M7100, BR-M7120, BR-M7110-R*, BR-M7000, BR-M6100, BR-M6120, BR-M6000, BR-MT520, BR-MT420, BR-M820, BR-M640, BR-S7000, BR-S700, BR-R9270**, BR-R9170*, BR-R8170*, BR-R8070*, BR-R7070*, BR-4770*, BR-RS805*, BR-R785*, BR-RS785*, BR-RS505*, BR-RS405*, BR-RX810*, BR-RX400*, BR-CX77**, BR-R517**, BR-R317**, BR-RS305**, BR-U5000**
* not compatible with 203mm
** only compatible with 140mm and 160mm
Material
- Rotor:Â Stainless steel / Aluminum /Â Stainless steel
- Lockring:Â Steel
Weight (manufacturer information)
- 121g (140mm)
- 133g (160mm)
- 159g (180mm)
- 193g (203mm)
Scope of delivery
- 1 x Shimano SM-RT70 Center-Lock Disc Rotor incl. Lockring
Ice TECHNOLOGIES
The fade, which can occur to rotor and pad when braking on a long downhill ride for instance, has a negative impact on the braking performance. SHIMANO has adopted ICE TECHNOLOGY Rotor and ICE TECHNOLOGY Pad to realize the cooling technology for consistent performance. The clad rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminum and stainless steel, provides better radiation performance achieving from 400ËšC to 300ËšC surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight.
Center Lock System
The CENTER LOCK system makes an easy rotor installation possible with spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency.
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