MODEL NO RT-MT800 SERIES DEORE XT M8100 Series Average weight 164 g (203 mm), 132 g (180 mm), 109 g (160 mm), 88 g (140 mm) Remarks No paint on fin. Ice technology ✔ Ice technology Freeza(Radiator fin) ✔ Alloy lock ring ✔ CENTER LOCK ✔ Outside diameter_140mm ✔ Outside diameter_160mm ✔ Outside diameter_180mm ✔ Outside diameter_203mm ✔ Pad compatibility_Metal ✔ Pad compatibility_Resin ✔ 100% Original Shimano 2 Years Warranty Can Whatsapp / Call : . Vince https://wa.me/60126960321