Schwinn Solution FS AL Girls&#39; Mountain Bike (24-Inch Wheels, Pearl/Purple) Schwinn Solution FS AL Girl's Mountain Bike with 24-inch wheels is ideal for off-road adventures Strong and lightweight N'litened alloy frame and SR Suntour M2000 suspension fork for a smooth ride Super-strong alloy rims with quick-release alloy hubs and stainless steel spokes Shimano equipped rear derailleur with Shimano EZ Fire shift combine for reliable shifting performance Promax Linear pull brakes and brake levers for optimum stopping power