GMC Denali 700c 20" Men"s Road Bike: * Medium bicycle fits riders 5"2"-5"8" with a stand over of 27"-30" * Riding style: road bike * Frame: Aluminum 7005 straight gauge * Handlebar: Maesbend W: 430mm D:22.0mm * Gearing: 21-speed * Shifters: Shimano Revo SIS L2/R7 * Front Derailleur: Shimano FD-TZ 31 Index * Rear Derailleur: Shimano RD-TZ30GS 7SPD * Bike saddle: Cionlli Black * Seat post: HL Aluminum Micro Adjust 27.2 x 300 mm * Brakes: Promax 501A Alloy Caliper Brake * Brake levers: Promax BL-250AP Aluminum * Bicycle tires: 700 x 32c tires for smooth ride and low-rolling resistance * Rims: Vitesse Alloy black 700CX14GX36H * Pedals: VP-990S plastic body with steel cage * Fork: GMC Series 7000 steel * Chain: KMC Z 51 * Crankset: Prowheel Alloy 335P6 28X38X48 170mm * Stem: Aluminum black EXT:100mm 0D. * Alloy calipers and alloy brake levers for high-performance cycling * High-profile alloy Vitesse road bike racing rims * Dimensions: 68"L x 18"W x 40"H * Assembly required for the GMC Denali Bike * Warranty: lifetime frame, 1-year parts See our entire assortment of bikes and ride on toys at Walmart.com.