ROAD BIKE CRANKSET SL-K Light BB386EVO road crankset features hollow carbon fiber arms for amazing stiffness and low weight. The SL-K Light uses FSA’s Asymmetric Bolt Standard, with four bolts at 90 degrees to one another and a fifth behind the crankarm, adding support where it’s needed.Choose from the traditional 53/39 chainring combination, 50/34...