20" Slammer Conway Gloss Gunmetal and Black Fade w/ Titanium Silver

GT Slammer BMX

The GT Slammer is the perfect first BMX bike. Built tough and affordable, it’s at home in the neighborhood or the skatepark—giving beginner riders the confidence to roll with their friends without the high price tag. Whether you’re cruising Mackay streets or hitting local parks before tackling the Finch Hatton mountain bike trails, the Slammer delivers freestyle fun in a durable package.

Key Features:

• 100% Hi-Ten steel frame with DT gusset and removable rotor tabs
• Durable 20" alloy single wall rims with GT NBS 2.4" tyres
• GT Power Series 3-piece chromoly cranks with 25T steel chainwheel
• Freestyle geometry with GT 2-piece handlebars (8.5”H x 29”W)
• NBS Alloy U-Brake with soft compound pads for reliable stopping

Specifications:

• Frame: 100% Hi-Ten Steel Tubes, American BB, External 1-1/8" H/T, Seat Stay U-Brake
• Fork: 100% Hi-Ten, Tapered Legs, 31mm Offset
• Wheel Size: 20"
• Rims: Alloy Single Wall, 36h
• Front Hub: Steel Loose Ball 3/8" Axle
• Rear Hub: Alloy Semi-Sealed 14mm Cassette
• Tyres: GT NBS 2.4" (Front & Rear)
• Spokes: Stainless Steel, 14g
• Crankset: GT Power Series 3pc Chromoly 170mm, GT NBS 25T Steel Chainwheel
• Bottom Bracket: American Loose Ball Bearing
• Chain: KMC S1
• Pedals: GT Logo PC Platform
• Handlebar: GT 2pc Freestyle Hi-Ten, 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: NBS Alloy U-Brake with Soft Compound Pad
• Brake Lever: NBS Alloy

*Please note that, based on component availability and other factors, specifications are subject to change without notice.

Why Mackay Cycles?

At Mackay Cycles, we live and breathe bikes. From beginner BMX to advanced mountain bikes, we’ll help you choose the right ride and keep it dialled with expert servicing. Plus, we’re proud supporters of the Finch Hatton MTB trail network—the ultimate spot to progress your skills and ride with mates.