Mongoose Argus TRX Fat Tire Mountain Bike for Adults . 26-Inch Wheels . 16 Speeds . RedThe world of fat bike adventures is waiting… get in on the fun with the Argus fat tire mountain bike by Mongoose. This fat bike comes with a Mongoose MTB aluminum fat tire hardtail frame and alloy fork with 135 mm spacing for a strong . stable ride. An 16-speed trigger shifters offer ideal gearing for varied terrain without overwhelming younger riders. There are mechanical disc brakes to supply quick . effective braking even in slippery weather on bumpy trails. But let’s be real . the tires are the star of the show. Knobby . oversized 4-inch wide fat mountain tires provide tons of traction . quicker stopping power and extra stability on tough trails. You don’t need anyone to tell you how awesome they look. Finally . the Mongoose MTB saddle is comfortable . offering added support for long arduous rides. From rocky singletrack to snowy hills . the Mongoose Argus is built to handle it all.