Diamondback Octane 20 Mountain Bike (20-Inch Wheels) 6061-T6 Aluminum Octane 20 Jr. MTN Frame 30mm Travel Jr. MTB Suspension Fork Shimano Rear Derailleur & 6-Spd Twist Shifter Rust-Proof Alloy Rims & Stainless Steel Spokes DB 2-Panel Jr. MTB Padded Saddle