We offer Bicycle Hub mtb conical in black powder coated consists of open ends conical barrel with dust cap. Our highly durable bicycle hub is reckoned for its efficiency and smooth functioning. availability spoke holes : 12g/14g with or without spacerfront axle : 3/8" x 5.1/2"rear axle : 3/8" x 7"thread 34.8 x 24tpi bscy34.7 x 1mm pitch iso-metricholes16/16 holes20/20 holes28/28 holes32/40 holes36/36 holes