Model: Tektro E10.11 High Performance Metal Ceramic Compound Compatible with Tektro Orion, Auriga Pro, Auriga Comp, Auriga E-Comp, Draco, Draco WS, Aquila disc brake Compatible with Tektro Model: HD-M500 / M501, HD-M520 / M521, HD-M510, MD-M280, MD-M300, MD-M500, HD-M290 / M291, HD-M330, HD-M352, MD-C400, HD-T520, HD-T290, With return spring Option: One Pair(2 Pads)&Two Pairs(4 Pads) Brand new in Original packing .
eBay