VGC MTB frame Arrow Nitrax FR PRO. + rear shock absorber Rock Shox SID DUAL AIR. For wheels size: 26 in. Toptube line (Center-Center): 55 cm. Bottom bracket: 1,37 x 24 Tpi / 68 mm.Without cracks, still in very good technical condition. Visual with small scratches and dust. Good base for retro MTB.