Shimano XC300 Bicycle Shoes Women's Color:Black 1 minute of crank = F22FD 1 minute of crank = 10 minutes of light on low The ascent ready feature set includes elasticated cuffs with integrated stretch panels and a helmet compatible hood with stiffened peak comfortable fitLightweight glass fiber reinforced nylon sole for power transfer stability and lightweight performanceOff set center flap mounted Boa® L6 dial creates a sleeker profile with quick adjustmentsSurround wrapping upper structure reduces overlap and provides a glove like fitLow stack height midsole stabilizes foot and maximizes power transfer efficiencyPerforated synthetic leather composite upper enables superior fit and breathabilityWomen’s specific last for a natural