Schwinn Solution FS AL Men's Mountain Bike (26-Inch Wheels) Strong & Lightweight 'N litened alloy frame with epicenter seat stay. Trail-tuned MA-125 suspension fork with alloy crown and 50mm travel Trail-tuned saddle for comfort Shimano-equipped rear derailleur with Shimano E-fire shifting Promax linear pull brakes 36-hole TM-19 alloy rims