GT Proformer 18" BMX

AB Bikes
Color: Purple

In stock, ready to ship or pick up

$369.00 -54% $799.00
$369.00
GT Proformer 18" BMX
$369.00 $799.00
$369.00
AB Bikes BMX GT Proformer 18 inch in purple – side view
AB Bikes BMX GT Proformer 18 inch in purple – head tube view
AB Bikes BMX GT Proformer 18 inch in purple – front wheel view
AB Bikes BMX GT Proformer 18 inch in purple – top tube view
AB Bikes BMX GT Proformer 18 inch in purple – chain and foot pedal view
AB Bikes BMX GT Proformer 18 inch in purple – rear wheel view
AB Bikes BMX GT Proformer 18 inch in purple – bike seat view
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  • Product Description
  • Specifications
  • Product Video

The GT Performer 18" BMX Bike is designed specifically for younger riders ready to step up to classic BMX geometry and performance. Built with an 18‑inch wheel size, this bike offers a comfortable fit for kids and teens learning balance, control, and freestyle skills.

Constructed with a Hi‑Ten steel frame and fork, the Performer delivers reliable strength and durability, making it ideal for everyday riding and light freestyle use. The chromoly 3‑piece crankset provides solid power transfer and resilience, while the U‑brake system ensures confident stopping power when needed.

With its classic BMX design and single‑speed setup, the GT Performer 18" is easy to ride and maintain — perfect for riders ready to progress their BMX journey with a dependable and fun bike.

Model GT Performer 18" BMX Bike
Type Youth Freestyle BMX / Beginner BMX
Wheel Size 18"
Recommended Rider Height Approx. 100–130 cm (4'0"–4'4")
Frame 100% Hi‑Ten Steel Frame with DT Gusset, Mid Bottom Bracket, Integrated Head Tube, Removable Rotor Tabs
Top Tube Length 18"
Fork 100% Hi‑Ten Steel Fork, 25mm Offset
Handlebar GT 2‑Piece Freestyle Bar, 8" Rise × 27" Width, 3° Upsweep, 11° Backsweep
Stem GT Top Load Alloy Stem, 40mm Reach / 32mm Rise
Grips GT Super Soft Mini Flangeless Grips
Headset 1‑1/8" Sealed Integrated Headset
Crankset GT Power Series Chromoly 3‑Piece Cranks, 140mm Arms, 19mm x 8T Spindle
Chainring GT NBS 25T Steel Chainwheel
Bottom Bracket Sealed Mid American BB, 19mm
Chain KMC S1 Single Speed Chain
Rear Driver 9T 1‑Piece Cassette Driver
Gear Ratio 25T / 9T
Front Hub Steel Loose Ball Hub, 3/8" Axle
Rear Hub Alloy Semi‑Sealed Cassette Hub, 14mm
Rims Alloy Single Wall Rims, 20H
Spokes Stainless Steel Spokes, 14G
Tyres GT NBS 18" × ~2.4" BMX Tyres
Brakes NBS Alloy Rear U‑Brake with Soft Compound Pad
Brake Lever NBS Mini Alloy Brake Lever
Seat GT NBS Junior Saddle Combo with Alloy Post
Seatpost Alloy Combo Seat/Post, 25.4mm × 200mm
Pedals GT Mini Platform Pedals
Extras Freestyle Geometry, Removable Rotor Tabs, Mid‑BB, BMX‑Style Parts
Approx. Weight ~23 lbs (≈ 10.4 kg)
Product Description

The GT Performer 18" BMX Bike is designed specifically for younger riders ready to step up to classic BMX geometry and performance. Built with an 18‑inch wheel size, this bike offers a comfortable fit for kids and teens learning balance, control, and freestyle skills.

Constructed with a Hi‑Ten steel frame and fork, the Performer delivers reliable strength and durability, making it ideal for everyday riding and light freestyle use. The chromoly 3‑piece crankset provides solid power transfer and resilience, while the U‑brake system ensures confident stopping power when needed.

With its classic BMX design and single‑speed setup, the GT Performer 18" is easy to ride and maintain — perfect for riders ready to progress their BMX journey with a dependable and fun bike.

Specifications
Model GT Performer 18" BMX Bike
Type Youth Freestyle BMX / Beginner BMX
Wheel Size 18"
Recommended Rider Height Approx. 100–130 cm (4'0"–4'4")
Frame 100% Hi‑Ten Steel Frame with DT Gusset, Mid Bottom Bracket, Integrated Head Tube, Removable Rotor Tabs
Top Tube Length 18"
Fork 100% Hi‑Ten Steel Fork, 25mm Offset
Handlebar GT 2‑Piece Freestyle Bar, 8" Rise × 27" Width, 3° Upsweep, 11° Backsweep
Stem GT Top Load Alloy Stem, 40mm Reach / 32mm Rise
Grips GT Super Soft Mini Flangeless Grips
Headset 1‑1/8" Sealed Integrated Headset
Crankset GT Power Series Chromoly 3‑Piece Cranks, 140mm Arms, 19mm x 8T Spindle
Chainring GT NBS 25T Steel Chainwheel
Bottom Bracket Sealed Mid American BB, 19mm
Chain KMC S1 Single Speed Chain
Rear Driver 9T 1‑Piece Cassette Driver
Gear Ratio 25T / 9T
Front Hub Steel Loose Ball Hub, 3/8" Axle
Rear Hub Alloy Semi‑Sealed Cassette Hub, 14mm
Rims Alloy Single Wall Rims, 20H
Spokes Stainless Steel Spokes, 14G
Tyres GT NBS 18" × ~2.4" BMX Tyres
Brakes NBS Alloy Rear U‑Brake with Soft Compound Pad
Brake Lever NBS Mini Alloy Brake Lever
Seat GT NBS Junior Saddle Combo with Alloy Post
Seatpost Alloy Combo Seat/Post, 25.4mm × 200mm
Pedals GT Mini Platform Pedals
Extras Freestyle Geometry, Removable Rotor Tabs, Mid‑BB, BMX‑Style Parts
Approx. Weight ~23 lbs (≈ 10.4 kg)
Product Video

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