6N A99-5525 part of POKOJ is a Japanese-made, high-performance 6N single-piece alloy frame for framebuilding. Its short length and lightweight design make it an ideal choice for riders looking to build an agile, responsive ride. 6N A99-5525 features a double-butted alloy construction which is designed to provide added stiffness, strength and durability. The BB shell features a 68.5mm width, making it compatible with modern mountain bike drivetrains. The frame also includes a series of internal cable routs and a press-fit bottom bracket shell. The down tube also has a reinforced gusset to increase strength and rigidity. In addition, the frame also includes bosses for water bottles and racks.