• Kron XC 75 27.5" Rim Mechanical Disc 21 Gear Mountain Bike 18 Rim Black Yellow Bike Type Mountain Bike Frame ALUMINUM Frame Size 16", 18 "Rim Size 27.5" Brake Type Mechanical Disc Tongs Rear Gear Shimano TOURNEY Front Gear Shimano TOURNEY Gear Lever Shimano ST-EF41 Brake-Spring 24X34X42T 170MM Ruble 14-28T 7S Chain 7S INDEX Saddle VEALEN Saddle Pipe 350MM 27.2 Handlebar 640MM 31.8 Handlebars 80MM Wheel Set CROWN DOUBLE LAYER