SRAM X-Sync Steel Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Grey - 32T YGroup_7033406390317 The chuck easily flips between

The chuck easily flips between Presta and Schrader valves and threads on for superior engagement

Gently remove the silicone sheath from the valve and clean with mild soap and water

or 30mm rise

or a bivvy bag/lightweight fly

SRAM X-Sync Steel Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Grey - 32T YGroup_7033406390317 The chuck easily flips betweenGenuine, 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.