Name: Mach One Pro 20 Mach One
Brand: GT
SKU: GTG41701U20LG
Price: 454.99 AUD
Availability: OutOfStock

Mach One Pro 20 Mach One - Mackay Cycles - [product_SKU] - GT

$649.99 $454.99 Save $195.00

Tax included. Shipping calculated at checkout.

Quantity

Click n Collect available

Lifetime warranty on frame

Please allow 4–6 business days for special orders

Find Your Trek Bike Size

What type of bike? Enter your height (cm):

Entry to BMX Racing shouldn’t cost an arm and a leg. The Mach One Pro is ideal for a beginner 5'6"-5'10".

Influence by Speed alloy frame with reverse dropouts
GT Top Load Stem
GT Power Series Cr-Mo 3pc. Cranks, 110 BCD Spider

Frame

Frame

GT Mach One Race MK2, 6061 Alloy, Euro BB, Reverse Dropouts, V-Brakes, 1-1/8" Integrated H/T

Sizes AvailablePRO

Fork

GT BMX Race, Hi-Ten Steel 1 1/8" Steerer, Tapered Legs, 305mm A/C, 3/8" Dropouts

Wheel Size20

Wheels

Rims Alloy Single Wall, 36h

Front HubSteel Body, 36H, 3/8" Axle

Rear HubSteel Flip Flop Thread-on Body, Freewheel, 36h, 3/8" Axle

Front Tire GT Wing 20 x 1.75"

Rear Tire GT Wing 20 x 1.75"

Spokes Stainless Steel, 14g

Drivetrain

Rear Cogs16T Freewheel

Chain KMC S1

Crank GT Power Series Tubular Cr-Mo 3pc., 175mm Arms, 19mm x 8T Splined Spindle, 110 BCD Steel Spider, GT 44T Steel Chainring

Bottom Bracket Euro Sealed Bearing

PedalsGT Low Profile FS Platform Design

Cockpit

Handlebar GT Race, Steel, 8.25"H x 29"W, 3° Up, 11° Back

Stem GT Top Load, 50mm

Grips GT Statement

Headset 1-1/8" Sealed Integrated (41.8 x 45)

SeatpostAlloy, 27.2mm x 200mm

Saddle Railed

Brakes

Brakes Alloy V-type

Brake LeversAlloy V-type

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

We cannot freight new GT Bicycles

For Ex-Demo or Display bikes GT Bicycles, shipping is $150 for the East Cost of Australia

More information on shipping

Why buy your Trek from Mackay Cycles?

Professionally Built & Ready to Ride

Every Trek bike sold by Mackay Cycles is assembled, tuned, and safety-checked by our qualified mechanics. No box shipping — just a bike that's ready to ride from day one.

Your Local Trek Dealer

We're an official Trek dealer, offering genuine Trek products, warranty support, and expert advice right here in North Queensland.

Trek Lifetime Frame Warranty

Trek frames are covered by a lifetime warranty. If you ever need support, Mackay Cycles handles the process for you — locally and hassle-free.

Ongoing Support After the Sale

From suspension setup to servicing and future upgrades, our team is here long after your purchase. Buying local means real, ongoing support.

WHY CHOOSE US?

MACKAY CYCLES

Locally owned and operated family business

Our passion inspires the pursuit of freedom. Absorb yourself in the ultimate cycling destination

Testimonials

★★★★★
Good range of products from “budget but not junk” to top shelf. Staff seem passionate and knowledgeable about bikes and ride themselves. Always a good experience shopping at Mackay Cycles.
Scott
Queensland, Australia

★★★★★
Good customer service, Service completed swiftly and ahead of schedule
Andrew
Queensland, Australia

★★★★★
The team had great knowledge on all the products and the customer service was awesome.
Luke
Queensland, Australia

★★★★★
Today I purchased my second bike through Mackay Cycles and couldn’t be happier. Very knowledgeable and helpful staff.
Hayden
Queensland, Australia

Mach One Pro 20 Mach One

Thank you!

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