SONA Phillip type bicycle hub, model SC-HB-101, is a thick barrel hub with open ends, made in front and rear versions. The hub sits at the centre of a bicycle wheel: the spokes lace into its drilled flanges and the wheel turns on the axle. The thick barrel with open ends comes in 10G/12G/14G. The front hub measures 3/8" X 5"/ 5 1/2 " in 28H/32H/36H, and the rear hub measures 3/8" X 6 1/2" / 7" in 36H/40H. Finish is BCP/Black. The hub has a bright plated barrel with the SONA name, drilled flanges at both ends, and threaded axle ends with nuts.