Progear Bikes Biggie BMX Bike 27.5 in Stealth Black" dropper seat 21-Speed Drivetrain: Equipped with a

21-Speed Drivetrain: Equipped with a reliable 21-Speed (3×7) gear system: Shifter Lever: Shimano ST-EF41 for integrated shifting and braking

Included Extras: Alloy Kickstand

it is designed to be removed and folded for hassle-free storage

Benefit: Provides extremely easy mounting and dismounting

Hub Front: 3/8"*13G*36H

Progear Bikes Biggie BMX Bike 27.5 in Stealth Black" dropper seat 21-Speed Drivetrain: Equipped with aTechnical Specifications Frame: 27. 5" Alloy Frame Fork: 27. 5"x183mm Threadless Steel Headset: Threadless, A head (1 1 8), H: 23mm Bottom Bracket: GS B909, STEEL Chainguard: Included Saddle: Black BMX Saddle Seat Post: Alloy Black 25. 4x350mm Seat Post Clamp: Alloy Black, 31. 8mm Front Hub: 14Gx36H Alloy Black Disc Brake Rear Hub: 14Gx36H 170mmx Alloy Black Disc Brake Rim: 27. 5"x1. 75x36Hx14G Black Double Wall Alloy H: 29. 5mm Spoke: Steel 14G