Diamondback Bicycles Airen 1 Complete Disc Brake Women's Road Bike Diamondback Women's Specific road disc frame with Enhanced Performance Geometry. EPG keeps the rider more upright for less stress on the neck & back DBR Podium Air formed Disc Alloy Fork with 1.5" tapered alloy steerer Shimano 22 speed drivetrain Avid BB5 Road Disc Brakes 160/140mm Rotors HED Flanders C2+ Disc Wheels, 24h/24h