Black Ops Mid/USA Dualie Bottom Bracket, Black Review Posted by Pelicandy October 3, 2018 in Drivetrain Components Compatible with both American and Mid style BB shells 6061-T6 full CNC alloy construction Anodized surface finish Black Ops Mid/USA Daulie bottom bracket in two different size options Random Products Origin8 Hornet 108 1/8″ Performance Freewhee... North Shore Billet Lapierre 12x142mm Derailleur Ha... Cycling Bicycle Frame Chain Protector Outdoor Spor... KMC Z410 Bicycle Chain (1-Speed/1/2 x 1/8-Inch/112... Black Ops Cycling Outdoor Recreation Parts & Components Sports & Outdoors