Schwinn Sierra 2 Women's Bike. The Schwinn Sierra 2 women's bike ensures all of your general fitness or commuting rides are incredibly comfortable and worry free. Its steel frame featuring a women's specific step thru design plus rigid steel fork are the ultimate in strength and dependability. The Schwinn Comfort Gel saddle smooths out the ride while the riser handlebars ensure you're in a comfortable, upright position. The Sierra 2 sports a 7 speed drivetrain a single 40T chainring on the crankset and a 7 speed cassette on the rear hub that delivers a wide range of gears plus its SRAM MRX Grip Shifter and Shimano Tourney rear derailleur ensures simple, precision shifting. Its 26 aluminum wheels with Schwinn Comfort tires are smooth rolling and the Promax V brakes provides plenty of stopping power.