The ring is attached via 3 bolts on the back side of the spider near the spindle

Other unique features include a disc brake pad spreader

Required for installation of a Vorsprung Luftkappe

the MicroJet from JetBlack is easy to store

SRAM X-Sync Steel Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Grey - 28T Virtual Parent The ring is attached viaGenuine, budget replacement chainrings for SRAM direct mount compatible cranks. By making the chainring from steel, SRAM were able to bring the price of their X Sync technology down to a whole new level. As a bonus, these also last substantially longer than the alumium chainrings, they do weight a bit more though. Works great for 10 or 11 speed.