GT Slammer Freestyle 20" BMX - Mercado Raspberry/Black

Your first real freestyle BMX, done right. The GT Slammer Mercado packs modern park-and-street essentials into an easy-handling 20" package: a tough Hi-Ten steel frame with gusset, a responsive 31 mm offset fork, big 2.4" tyres for grip, and reliable 25/9 gearing. It’s built to help new riders learn fast and have fun without the price sting.

Why you’ll love it

• Strong, confidence-building chassis: 100% Hi-Ten steel frame with DT gusset; Hi-Ten fork with tapered legs and 31 mm offset for responsive steering.

• Modern freestyle drivetrain: 25T steel sprocket, 9T cassette driver, and GT Power Series 3-piece chromoly 170 mm cranks (19 mm spindle).

• Easy speed control: seat-stay mounted U-brake with clean, straight cable routing.

• Durable wheels: 36h single-wall rims with GT NBS 2.4" tyres for comfort and traction.

• Beginner-friendly cockpit: 8.5" two-piece handlebar and railed saddle for simple, solid adjustments as you grow your skills.

• Park-ready details: external 1-1/8" head tube and removable rotor tabs if you want to add a detangler later.

Key specifications

• Frame: 100% Hi-Ten steel, DT gusset, American BB, seat-stay U-brake mounts, external 1-1/8" head tube, removable rotor tabs

• Fork: Hi-Ten steel, tapered legs, 31 mm offset

• Wheels & Tyres: 20" alloy single-wall rims (36h); GT NBS 2.4" tyres

• Hubs: Front steel loose-ball 3/8"; Rear alloy semi-sealed 14 mm cassette (9T)

• Drivetrain: GT Power Series 3-pc chromoly 170 mm cranks, 19 mm (8-spline) spindle; 25T chainring; KMC S1 chain; 9T driver

• Brakes: U-brake (rear)

• Handlebar: 8.5" two-piece

• Saddle: railed, junior size

Note: Graphics/colours and small component details can vary by region and season. Specs may change without notice.

 

Frame

Frame: 100% Hi-Ten Steel Tubes, DT Gusset, American BB, Seat Stay U-Brake, External 1-1/8" H/T, Removable Rotor Tabs

Fork: 100% Hi-Ten, Tapered Legs, 31mm Offset

Wheel size: 20

 

Wheels

Rims: Alloy Single Wall, 36h

Front hub: Steel Loose Ball 3/8" Axle

Rear hub: Alloy Semi-Sealed 14mm Cassette

Front tyre: GT NBS 2.4"

Rear tyre: GT NBS 2.4"

Spokes: Stainless Steel, 14g

 

Drivetrain

Rear cogs: 9T 1pc. Driver

Chain: KMC S1

Crank: GT Power Series 3pc Chromoly 170mm, 19mm x 8T Spindle, GT NBS 25T Steel Chainwheel

Bottom bracket: American Loose Ball Bearing

Pedals: GT Logo PC Platform

 

Cockpit

Handlebar: GT 2pc Freestyle, 100% Hi-Ten Steel, 8.5"H x 29"W, 3°Up, 11° Back

Stem: GT NBS Top Load 40mm, 32mm Rise

Grips: GT Super Soft Flangeless

Headset: 1-1/8" Threadless, Steel

Seatpost: Alloy, 25.4mm x 200mm

Saddle: Railed saddle

 

Brakes

Brakes: NBS Alloy U-Brake w/ Soft Compound Pad

Brake levers: NBS Alloy