Frame: ALUXX-Grade Aluminium, Fork: Alloy Wheels: Giant Kids”, alloy. Hubs: alloy, F 28h QR, R 28h Shifters: Shimano Altus Crankst: Prowheel forged 32T Colours; Lemon Yellow/Black, Pure Red/Black, Orange/ Black, Blue/Black, Neon Green/Black, Purple Sizes; 16 inch wheel, 20 inch wheel, 24 inch wheel, 26 inch wheel