20 Inch Bikes

Buy BMX Bikes online from Australia with confidence! LUXBMX is comprised of a staff of lifelong, die hard BMXer's (350+ years experienced combined!). We stock the best BMX Bikes for all ages, sizes and riding levels. Having ridden BMX Bikes our entire lives, we have experience in every department. LUXBMX carries Australia's biggest range of Freestyle & Race BMX Bikes, we stock all brands and models that we believe in, and truly stand by every bike you see listed. We have bikes available for every budget. Be sure to reach out if you need any further expert advice. Hope to see you out shredding soon! Yeeew!

Need help picking a bike? Check out our BMX Buyers Guide.

Filters

$
to
$
Discipline
Availability
Brand
142 products
Sort by
Sort by
The Radio Raceline Quartz Pro L Bike 2025 is a black BMX bike featuring a sleek, lightweight hydro-formed frame, single gear, flat handlebars, and 20-inch wheels. Its streamlined design is showcased against a white background. The Radio Raceline Quartz Pro L Bike 2025 is a black BMX bike featuring a sturdy, lightweight hydro-formed frame, thick tires, and high handlebars. The frame proudly displays the Radio Raceline Quartz Pro L logo. This bike comes with a single gear and no additional accessories.
Radio Raceline Quartz Pro L Bike 2025
From

$2,599.99 AUD
The Radio Quartz Pro XL Bike 2025, in black, boasts a lightweight hydro-formed frame with a compact design, elevated handlebars, large sturdy wheels, and hydraulic disc brakes, epitomizing both performance and style. The Radio Quartz Pro XL Bike 2025 boasts a compact, lightweight black hydro-formed frame with a "Radio" logo. This model features large tires, a single gear, and raised handlebars, paired with superior handling courtesy of the Radio Solar carbon fork.
Radio Quartz Pro XL Bike 2025
From

$2,599.99 AUD
A black and yellow child-sized mountain bike with knobby tires, a small frame, and a single gear system. Suitable for off-road or mountain biking, this lightweight Radio 20 Inch Zuma Bike is perfect for young adventurers. Part of the Zuma range. A black children's mountain bike with yellow and blue accents, featuring wide tires, front suspension, and disc brakes. This lightweight MTB bike from the Radio 20 Inch Zuma Bike range is designed for young adventurers. The frame reads "Woom OFF.
Radio 20 Inch Zuma Bike
From

$750.00 AUD
Save $200.00
A black and green Radio Xenon Expert XL BMX race bike. A black Radio Xenon Expert XL BMX race bike with green accents and a disc brake.
Radio Xenon Expert XL Bike

$999.99 AUD

 From

$1,199.99 AUD
Save $256.00
An Inspyre EVO-C Pro L Disc Brake Bike with disc brakes on a white background. A yellow Inspyre EVO-C Pro L Disc Brake Bike with a carbon fork on a white background.
brand undefined Inspyre EVO-C Pro L Disc Brake Bike

$1,738.99 AUD

 From

$1,994.99 AUD
Save $256.00
A yellow BMX bike on a white background with the Inspyre EVO-C Expert XL Disc Brake Bike. An Inspyre EVO-C Expert XL Disc Brake Bike, equipped with disc brakes and a carbon fork, showcased on a white background.
brand undefined Inspyre EVO-C Expert XL Disc Brake Bike

$1,738.99 AUD

 From

$1,994.99 AUD
Save $197.00
An Inspyre Evo Disc Pro Cruiser Bike on a white background. An Inspyre Evo Disc Pro Cruiser Bike on a white background.
brand undefined Inspyre Evo Disc Pro Cruiser Bike

$1,302.99 AUD

 From

$1,499.99 AUD
Redline MX Pro 20 (2023) / Black / 20.25TT
Redline MX Pro 20 Bike
From

$999.99 AUD
Save $50.00
Redline MX Junior (2023) / Black / 18.5TT A black BMX bike with neon green accents, equipped with thick tires, wide handlebars, and a comfortable seat. The Redline MX Junior Bike features an aluminum frame designed for freestyle riding and BMX racing.
Redline MX Junior Bike

$899.99 AUD

 From

$949.99 AUD
Save $50.00
Redline MX Expert (2023) / Dark Grey/Blue Gloss / 19.5TT
Redline MX Expert Bike

$949.99 AUD

 From

$999.99 AUD
Save $197.00
Inspyre EVO Expert XL Disc Brake Bike / Grey / 20.25TT
brand undefined Inspyre EVO Expert XL Disc Brake Bike

$1,302.99 AUD

 From

$1,499.99 AUD
Save $800.00
DK Zenith Pro L Bike / Black / 20.5TT
brand undefined DK Zenith Pro L Bike

$2,199.99 AUD

 From

$2,999.99 AUD
Save $437.00
Chase Element Pro XL (2023) / Blue / 21TT Chase Element Pro XL (2023) / Dust / 21TT
brand undefined Chase Element Pro XL Bike

$1,961.99 AUD

 From

$2,398.99 AUD
Save $400.00
A Sunday Wavelength (Gary Young) Bike (2025) featuring a black BMX design, a sturdy frame, black handlebars, a black seat, and knobby Aitken Street tyres.
Sunday Wavelength (Gary Young) Bike (2025)

$2,499.99 AUD

 From

$2,899.99 AUD
Sunday Sound Wave Special 20 Inch Bike (2023) / Rust Proof Black / 21TT / LHD
Sunday Sound Wave Special 20 Inch Bike (2023)
From

$2,499.99 AUD
Sunday Forecaster Maca Grasset 20 Inch Bike (2023) / Matte Midnight Purple / 20.5TT
Sunday Forecaster Maca Grasset 20 Inch Bike (2023)
From

$1,099.99 AUD
Save $100.00
The Sunday Wave Length 20 Inch (Gary Young) Bike showcases a matte olive green chromoly frame with black Odyssey handlebars, saddle, and wheels, set against a white background. Close-up of a Sunday Wave Length 20 Inch (Gary Young) bike's front headset and stem with an FSA logo. The matte olive green chromoly frame features a visible toptube, highlighted by premium Odyssey parts.
Sunday Wave Length 20 Inch (Gary Young) Bike

$2,499.99 AUD

 From

$2,599.99 AUD
Sunday Forecaster Brett Silva 20 Inch Bike (2023) / Matte Red / 20.75TT
Sunday Forecaster Brett Silva 20 Inch Bike (2023)
From

$1,099.99 AUD
Save $50.00
Radio Saiko 20 Bike (2021) / Matt Black / 19.25TT Radio Saiko 20 Bike (2021) / Matt Purple / 19.25TT
Radio Saiko 20 Inch Bike

$699.99 AUD

 From

$749.99 AUD
Radio Comrad 20 inch Bike / Matt Black / 21TT The Radio Comrad 20 inch BMX bike features a full Cromoly frame, thick tires, a straight handlebar, and a padded seat. It is angled to the right on a white background for an image of durability and precision.
Radio Comrad 20 inch Bike
From

$1,349.99 AUD
Save $200.00
Fit Bike Co Prk Bike (2023) / Grey / 20TT Fit Bike Co Prk Bike (2023) / Teal / 20TT
brand undefined Fit Prk 20 Inch Bike (2023)
From

$799.99 AUD

$999.99 AUD
Colony Prody Pro 20 Inch Bike / Black/Chrome / 20.6TT
brand undefined Colony Prody Pro 20 Inch Bike
From

$1,499.99 AUD