An elegant lightweight and trouble free solution for adapting sram cranks to new pressfit 30 standard frames simply tap the adapters into the 6806 bearing in the bb shell install the spindle and cranks use our bb30 spacer kit to adjust your chainline or take up any side to side movement in your cranks note the stock bottom bracket seals must be removed before installing the pressfit 30 adapterrun 2224 mm cranks in your sram pressfit 30 frameshims are based on industry standard pf30 b