<div> Top-of-the-line road crankset with carefully shaped Exogram hollow carbon fiber arms for high stiffness-to-weight ratio and sturdy chainrings optimized for the Yaw front derailleur.</div><div> <ul><li>Hidden chainring bolt design saves weight and contributes to a sleek look</li><li>7075 aluminum X-GlideR chainrings are stiff for reliable shifting and power transfer</li><li>Graphics match SRAM Red eTap electronic components</li><li>Q-factor is 145mm</li></ul> </div>