Shimano SM-RT70 Center Lock brake rotor for SLX - Ice-Tech sandwich
Shimano SM-RT70 is a Center Lock brake rotor with Ice technology. This means that the sandwich composite consists of two stainless steel layers with an internal aluminium layer. This ensures excellent heat dissipation even on long descents and difficult trails. The SM-RT70 rotor is recommended for newer SLX brakes, but is also compatible with other models.
Mount: Center Lock
Diameter: 140 mm, 160 mm, 180 mm, 203 mm
Rotor Material: stainless steel outer and aluminium core sandwich construction
Spider Material: aluminium
Lockring Material: steel
Brake Compatibility: BR-M9100*, BR-M9120, BR-M9000, BR-M9020, BR-M8100, BR-M8120, BR-M8000, BR-M8020, BR-M7100, BR-M7120, BR-M7000, BR-M6000, BR-MT520, BR-MT420, BR-M820, BR-M640, BR-S7000, BR-S700, BR-R9170**, BR-R8070**, BR-R7070**, BR-RS805**, BR-R785**, BR-RS785**, BR-RS505**, BR-RS405**, BR-RX810**, BR-RX400**, BR-CX77**, BR-R517**, BR-R317**, BR-RS305**, BR-U5000**
Brake Pad Compatibility: sintered***, organic
* not compatible with 203 mm
** only 140 and 160 mm
*** with BR-S700 and BR-S7000 only organic
- performance indicator: advanced (level 2 out of 3)
- painted spider, polished rotor, plated lockring (internal teeth)
- for brake pads with narrow pad shape
Note: For 15 mm and 20 mm front thru axle hubs, the SM-HB20 lockring must be used.
Brake fading during prolonged uninterrupted operation, e.g. downhill, impairs braking performance. Shimano has introduced brake discs and pads with Ice-Tech technology to create a cooling technology for consistently high braking performance. The brake rotor has a three-layer stainless steel sandwich structure on the outside around an aluminium core. It radiates heat better and reduces a surface temperature from 400° C to 300° C, for example. The brake pads also have cooling fins. The design of the rotor in combination with the cooling fins results in a longer service life of the pads, less braking noise, less fading and a lower weight.
Manufacturer Part Numbers:
160 mm: I-SMRT70S
180 mm: I-SMRT70M
203 mm: I-SMRT70L
- 1 x Shimano SM-RT70 brake rotor
- 1 x lockring
What type of mount system do I require to install the Shimano rotor on my wheel?
The Shimano rotor uses CENTER LOCK that fixes by spline and secures with lock ring for enhanced precision and rigidity.
How tight should the lock ring be on the CENTERLOCK system?
A: Refer to the lock ring for torque specification.
What is Shimano ICE TECHNOLOGIES?
Shimano ICE TECHNOLOGIES is lightweight and highly efficient three-layer sandwich structure of stainless steel–aluminum–stainless steel enhances heat dissipation.
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