Wheel diameter: 16". Frame Top Tube: 16.25" (41.3cm). Bar design: Two-piece. Bar height: 7.25" (18.4cm). Hub: Cassette, Semi-sealed bearings. Frame standover height: 6.6'' (16.8cm). Weight: 10.05kg. Frame material: 1020 hi-ten. Seat clamp: Integrated. Seat: Combo. Seatpost Length: 160mm. Tire width: 2.3". Pegs: Not included. Axle diameter: 10mm, 12mm. Wheel offset: 32mm. Stem type/Length: 40mm, Top load. Stem diameter: 22.2mm. Headset type: Non-integrated. Headtube angle: 74°. BMX Brake Included: U-brake (Rear). Chainstay length (Center): 11.25'' (28.6cm). Gear ratio: 25/9. Crank Length/Type: 140mm, Three-piece. Pedal axle diameter: 9/16". Sprocket mounting: Bolt Drive. Driver side: Right. Crank material: Chromoly Steel. Bottom Bracket: American (AMER), Open bearing. Pedal material: Plastic. Number of spokes: 20. Chain type: Single speed. Assembly: Partly assembled. Recommended from: 7 years.