Black Ops Mid/USA Dualie BB - 19mm

The Black Ops Mid/USA Dualie BB is a versatile bottom bracket that is compatible with both American and Mid style BB shells. It is made from 6061-T6 full CNC alloy construction and has an anodized surface finish for added durability. This BB has a spindle type of 19mm and weighs 255g. It also features a press fit cup type with a cup OD/Bearing OD of 41mm or 51mm.