Go cross-trekking and enjoy the adventurous outdoors with Go-Tyger 21 speed mountain bike that will take you to the extreme. Front and rear disc brakes provides strong braking force while Shimano 21 speed gearbox ensures total control in every situation. Durable alloy frame and alloy crown suspension fork absorbs all the mountainous terrains, keeping in tune of all your trail conditions. Features: • Colour: Black & White; Black & Red; Black & Blue • Frame: Alloy • Frame size: 66.04 cm (27.5 in.) • Tires: Black Tyre • Tire size W x H: 5.4 cm x 66.04 cm (2.125 in. x 27.5 in.) • Suspension: Front and rear • Crank: Alloy Crank • Front and rear derailleur: Shimano FD-TY500 and RD-TY300 • Shifter: Shimano EF500, 21 speed shifters • Shimano chain guard • Brakes: JAK - Front and rear disc • Front hub: 36H • Rear hub: 36H • Rims: Alloy • Handlebars: Alloy • Stem: Height adjustable alloy • Seat: Aero-soft saddle racing design seat • Kickstand: Included • Weight capacity: 113 kg (250 lb.) • Height range: 1.75 m to 1.83 m (5 ft. 9 in. to 6 ft. 0 in.)