Specifications
As listed in the manufacturer's catalog.
General
- Series
- SHIMANO
- Model no.
- RT-EM300
- Rotor thickness / Standard 1.75(mm)
- Yes
- Pad material compatibility / Resin
- Yes
- Note
- *1 For rear only with magnet bracket
Outside diameter (mm)
- 203
- ✔ *1
- 180
- ✔ *1
- 160
- ✔ *1
Adapter
- Material
- Steel
- Finish
- Painted
Rotor
- Material
- Stainless steel
- Finish
- Polished
Pad lining shape compatibility
- Narrow
- Yes
- Wide
- Yes
Lock ring
- Internal/external type / Material
- Steel
- Internal/external type / Finish
- Painted
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano RT30 / Shimano RTEM300, 180 mm
-
Front: SM-RT30 CL 180mm / Rear: RT-EM300 CL 180mm
-
Shimano RT10 / Shimano RTEM300, 180 mm
-
Shimano RT30 / Shimano RTEM300, 203 mm
-
Front: SM-RT30 CL 203mm / Rear: RT-EM300 CL 203mm
-
Shimano EM300, CentreLock, 180 mm
-
Shimano SM-RT30/RT-EM300 203 mm
-
Shimano RT30 / Shimano RTEM300
Bicycles
Published bicycles that use it, newest model years first.
