Frame: Alloy 6061, magnet lock Fork: Alloy Groupset: Shimano 105, Sensah 2x11 Speeds Crank: Prowheel Ounce Hollow, 39-53T Cassette: Sunshine 11-28T Brake: Shimano MT200 Hydraulic Disc Tire: 20x1 3/8 (451) Weight: 11.5KG