Cube aim 275 kids hardtail bikecubes aim 275 is a reliable aluminium hardtail bike for young fat tyred adventurers and boasts a comfy ride position and sturdy transmission its the perfect starting point for the budding trail rider to head out to their first adventures stress free comfy ride positionthe 6061 aluminium cross ovalised downtube was constructed using cubes advanced mechanical forming technology producing a very tough but light backbone multilayer wet paint gives the bike a