Baza aluminiu pentru o degajare mai eficienta a caldurii. Suprafata de franare organica. SHIMANO : BR-M575, BR-M525, BR-M515, BR-M505, BR-M495, BR-486, BR-M485, BR-M475, BR-M465, BR-M447, BR-M446, BR-M445, BR-M416, BR-M415, BR-M395, BR-M375, BR-M365, BR-M355, BR-M315, BR-MT500, BR-MT410, BR-MT400, BR-MT200, BR-M4050, BR-M3050, BR-T675, BR-T615, BR-TX805, BR-C601, BR-C501 TEKTRO : Aquila, Aries, MD-M280, HD-M280, HD-M282, MD-M285, MD-M286, MD-C510, MD-U510, Auriga, Dorado, Draco 2, Gemini, Mira, Motra, Orion, Vela, Volans TRP : Dash Sport, Hylex, Hyles RS, Hywire, HY RD, Paradox, Paradox R, Slate X2, Spyke, Spyre, Spyre C, Spyre SLC ALHONGA : Latoo, OD04, OD05, MD11