3/8" square socket or 1-inch hex for ratchet/torque wrench

Required for installation of a Vorsprung Luftkappe

Quick joining link: These chains use SRAM's Eagle PowerLock quick joining links wit FLOWLINK technology to provide better chain guiding and enhanced longevity

the 70cc version will suit you perfectly

Other unique features include a disc brake pad spreader

SRAM X-Sync Steel Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Grey - 28T Virtual Parent 3/8" square socket or 1-inchGenuine, 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.