Main Specs Frame: Alu 6061 T6 Double Butted, Advanced Junior Geometry,1Xoptimized, Bb Bsa, Sr Dropout,Fork: Alloy 6061 T6, Advanced Junior, V-Brake Groupset Rear Derailleur: Shimano Tourney Rd-Ty200Sh more→ifters: Shimano Sl-Rv200-7R, Revoshift, 7-SpeedCranks: One Sport, Alloy, 127Mm, 28TCassette: Shimano Mf-Tz500, 7-Speed, 14-28T, FreewheelFront Brake: Saccon Junior, V-BrakeRear Brake: Saccon Junior, V-BrakeChain: Kmc Z8Bottom Bracket: Thun Topaz, Bsa Wheels Rims: Stars J19Sz, 24HTires: Schwalbe Black Jack, Kevlarguard, 20X1.90 Components Handlebar: One Hi-Ten, 25.4MmStem: One, Alloy, 25.4Mm, 15°Saddle: Selle Royal JuniorSeatpost: One, Alloy, 27.2Mm