Mongoose Mountain Bike On The Market In Portage, In 21-speed twist shifters and a rear derailleur on the bike provide easy gear modifications, whereas mechanical disc brakes ship superior stopping energy in all conditions. It’s uncommon to see a motorcycle on this price range provided in four sizes—small via further large—rather than only one or two sizes. Like dearer bikes, the Mongoose Switchback Expert specs smaller 27.5? diameter wheels on dimension small bikes and 29er wheels on bigger sizes. To discover the right measurement, examine you could stand over the bike with at least an inch or extra between your crotch and the highest tube. Then, check that the seat can be set about even along with your hip while standing beside the bike. I examined a size further large and located it’s a pretty close fit, though even at full extension the saddle is a bit brief for me.