Iron Horse 29" Men"s Sinister 6.1 Mountain Bike: * Mountain bike * 29" aluminum full suspension frame with suspension fork to eat up the bumps * Ahead stem with MTB riser bars * Shimano 21 speed thumb shifters with Shimano rear derailleur * Front and rear HL disc brakes * Alloy crank set 42/32/22 with platform pedals * Lock on handlebar grips * Assembly required * Dimensions: 76"L x 31"W x 39.5"H See our entire assortment of bikes and ride on toys at Walmart.com.