Genuine Tektro replacement Tektro disc brake pads.

The Q13RS pad is a resin pad and compatible with the following brakes - 

Tektro Gemini SL HD-M535
Tektro Gemini HD-M530 front caliper only
Tektro HD-T5040/T5041
Tektro HD-T533/T535
Tektro HD-T532 front caliper only
Tektro Auriga Twin+ HD-E745/T745
Tektro Auriga+ HD-E740/E741/E746/E747/T740/T741
Tektro Dorado HD-T737/T747/E731/T731
Tektro HD-E3940