Race Face Next SL Direct Mount 10 spd Chainring. Tired of running a chain guide Then upgrade to the Race Face Next SL Direct Mount Chainring and you won't need it anymore. Thanks to the revolutionary Narrow Wide tooth profile, the chainring itself can now prevent the chain from jumping off on rough trails. These chainrings also do away with chainring bolts, using a Cinch spline to install installs with a standard Park Tool BBT 22 tool instead, making the crank lighter, stiffer and more reliable.
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