OS20 Race Frames

If you've clicked on this page you're a definite deep BMX race fan, and you run the OS20 set up because you love the stability that the sightly bigger 451mm rim/tyre size gives you. OS simply stands for "over-sized" twenty inch wheels that some racers prefer for the above mentioned stability and the extra rolling diameter of the bigger wheel.

There's not a huge offering in OS20 race frames, but if they are available here in Oz, then we have them listed here. The OS20 frames have slightly longer rear ends to accomodate the larger diameter wheels and while there are some standard Pro frames that will fit the OS20 wheel/tyre package, by running a bigger wheel on a standard pro frames can force your bottom bracket up too high, leading to a funky handling race rig. Best to build a OS20 with a specific OS20 race frame to keep that BB nice and low.

Find all of the compatible OS20 race parts over on this page, such as OS20 tyres and tubes. Plus our recommended forks.


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The Inspyre Concorde V3 Pro XXXXL Frame/Fork Set (2026) in metallic purple and black is shown from the side with a carbon Apex fork against a white background. A matte black Inspyre Concorde V3 Cruiser Pro XXL Frame/Fork Set (2026) with a minimalist design, displayed on a white background.
Inspyre Concorde V3 Pro XXL Frame/Fork Set (2026)
From

$1,784.99 AUD
The Inspyre 2026 Concorde V3 Cruiser Pro XXL Frame is a metallic blue and black BMX racing frame with hydroformed tubes and "INSPIRE" in white on the main tube. The Inspyre 2026 Concorde V3 Cruiser Pro XXL Frame is a BMX racing frame with hydroformed tubes, a metallic iridescent finish, a black top tube, and the bold "INSPYRE" logo on its side.
Inspyre 2026 Concorde V3 Pro XXXXL Frame
From

$1,084.99 AUD
Matte black Inspyre 2026 Concorde V3 Cruiser Pro XXL frame with angular geometry and hydroformed tubes, designed for BMX racing, shown from the side against a white background. The Inspyre 2026 Concorde V3 Cruiser Pro XXL Frame is a BMX racing frame with hydroformed tubes, a metallic iridescent finish, a black top tube, and the bold "INSPYRE" logo on its side.
Inspyre 2026 Concorde V3 Expert XL Frame
From

$999.99 AUD
Matte black Inspyre 2026 Concorde V3 Cruiser Pro XXL frame with angular geometry and hydroformed tubes, designed for BMX racing, shown from the side against a white background. The Inspyre 2026 Concorde V3 Cruiser Pro XXL Frame is a BMX racing frame with hydroformed tubes, a metallic iridescent finish, a black top tube, and the bold "INSPYRE" logo on its side.
Inspyre 2026 Concorde V3 Pro L Frame
From

$1,084.99 AUD
The Inspyre Concorde V3 Cruiser Pro XXL Frame/Fork Set (2026) features hydroformed tubes in an iridescent light blue and black finish, shown isolated on a white background. Orange and gray Inspyre Concorde V3 Cruiser Pro XXL Frame/Fork Set (2026) with attached carbon fork, shown on a white background. "Apex" is visible on the fork.
Inspyre Concorde V3 Cruiser Pro XXL Frame/Fork Set (2026)
From

$1,784.99 AUD
Save $50.00
Radio Raceline Helium Junior Frame (2020) / Black / 18.6TT
Radio Raceline Helium Junior Frame (2020)

$749.99 AUD

 From

$799.99 AUD
A chrome Subrosa Speedwolf V2 Race Frame with "SABBATH" and "NFC SUMMIT" graphics, displayed side-on against a white background. Matte black Subrosa Speedwolf V2 Race Frame with "Subrosa" and "Speedwolf" in silver lettering, displayed on a white background.
Subrosa Speedwolf V2 Race Frame
$818.99 AUD
Three Radio Raceline Terra Carbon Pro XL Frames in blue, red, and black are shown with "RADIO" branding, overlapping on a white background. Each features TORAYCA carbon fibre construction and a disc brake frame design. Radio Raceline Terra Carbon Pro XL Frame with "RADIO" branding, shown on a white background. This disc brake frame is made from premium TORAYCA carbon fibre and features a sleek, lightweight design.
Radio Raceline Terra Carbon Pro XL Frame
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$2,499.99 AUD
Save $200.00
Three Radio Raceline Helium 2027 Pro XL Frames—made from hydroformed 6061 alloy—are stacked diagonally in metallic blue, black, and teal on a white background, showcasing their sleek race-ready design and lightweight build. The Radio Raceline Helium 2027 Pro XL Frame is a metallic iridescent BMX frame with "RADIO" branding on the down tube, featuring a lightweight race design and hydroformed 6061 alloy tubing, shown on a white background.
Radio Raceline Helium 2027 Pro XL Frame

$1,099.99 AUD

 From

$1,299.99 AUD
Save $200.00
Three lightweight Radio Raceline Helium 2027 Pro L Frames in metallic blue, black, and mint green are stacked diagonally against a white background, highlighting their sleek design and Sliding Dropout Disc System. A turquoise Radio Raceline Helium 2027 Pro L BMX bike with “Radio” in white lettering on the side, featuring a lightweight race frame, displayed against a white background.
Radio Raceline Helium 2027 Pro L Frame

$1,099.99 AUD

 From

$1,299.99 AUD
The Radio Raceline Quartz 2025 Pro XL Frame is a sleek black BMX design with "Radio" and "Quartz" logos. Featuring a minimalist charm, it includes the advanced Sliding Dropout Disc System for optimal performance. The Radio Raceline Quartz 2025 Pro XL Frame is a green BMX racing frame featuring a top tube, down tube, seat tube, and chainstays. It proudly displays the "Quartz" model name and includes an advanced Sliding Dropout Disc System for exceptional performance.
Radio Raceline Quartz 2025 Pro XL Frame
From

$1,499.99 AUD
Save $200.00
Three Radio Raceline Helium 2027 Pro XXXXL Frames in metallic blue, black, and mint green are displayed side by side on a white background, highlighting their lightweight hydroformed 6061 alloy race frame design. The Radio Raceline Helium 2027 Pro XXXXL Frame is a metallic, iridescent BMX race frame made from hydroformed 6061 alloy, featuring "RADIO" branding on the downtube and shown against a white background.
Radio Raceline Helium 2027 Pro XXXL Frame

$1,099.99 AUD

 From

$1,299.99 AUD
Metallic teal Radio Raceline Quartz 2025 Pro Frame BMX race frame with Quartz branding on the top tube, featuring a Sliding Dropout Disc System for optimal performance. The Radio Raceline Quartz 2025 Pro Frame flaunts its bold "Radio" branding on a black BMX race frame. Made with 6061-T6 hydroformed tubing, it features a sleek design and innovative Sliding Dropout Disc System for enhanced versatility and performance, set against a white background.
Radio Raceline Quartz 2025 Pro Frame
From

$1,499.99 AUD
Three Radio Raceline Quartz Disc Pro XXXL frames in black, green, and blue are aligned diagonally. Crafted with a lightweight alloy frame for agility, they come with a note indicating potential variations in final appearance. Metallic teal Radio Raceline Quartz 2025 Pro Frame BMX race frame with Quartz branding on the top tube, featuring a Sliding Dropout Disc System for optimal performance.
Radio Raceline Quartz 2025 Pro XXXXL Frame
From

$1,499.99 AUD
Radio Raceline Quartz 2025 Pro L Cruiser Frame in red with a Sliding Dropout Disc System, brand name on the lower tube, set against a white background. The Radio Raceline Quartz 2025 Pro XL Cruiser Frame is a red aluminium BMX race frame, shown with "Radio" branding, isolated on a white background—ideal for building your BMX race bike.
Radio Raceline Quartz 2025 Pro L Cruiser Frame
From

$1,499.99 AUD
Radio Raceline Quartz 2025 Pro L Cruiser Frame in red with a Sliding Dropout Disc System, brand name on the lower tube, set against a white background. A set of black metal brackets, clamps, screws, and bolts—perfect for the Radio Raceline Quartz 2025 Pro XL Cruiser Frame—are arranged in rows on a white background.
Radio Raceline Quartz 2025 Pro XL Cruiser Frame
From

$1,499.99 AUD
The Radio Raceline Quartz 2025 Pro XL Frame is a sleek black BMX design with "Radio" and "Quartz" logos. Featuring a minimalist charm, it includes the advanced Sliding Dropout Disc System for optimal performance. The Radio Raceline Quartz 2025 Pro XL Frame is a green BMX racing frame featuring a top tube, down tube, seat tube, and chainstays. It proudly displays the "Quartz" model name and includes an advanced Sliding Dropout Disc System for exceptional performance.
Radio Raceline Quartz 2025 Pro XXL Frame
From

$1,499.99 AUD
The Radio Raceline Quartz 2025 Pro XL Frame is a sleek black BMX design with "Radio" and "Quartz" logos. Featuring a minimalist charm, it includes the advanced Sliding Dropout Disc System for optimal performance. The Radio Raceline Quartz 2025 Pro XL Frame is a green BMX racing frame featuring a top tube, down tube, seat tube, and chainstays. It proudly displays the "Quartz" model name and includes an advanced Sliding Dropout Disc System for exceptional performance.
Radio Raceline Quartz 2025 Pro XXXL Frame
From

$1,499.99 AUD
The Inspyre Concorde V3 Junior Frame/Fork Kit (2025) in blue and white boasts a sleek design with bold "Inspire" and "Conquer" text, hydroformed tubes, and a strong front fork, ideal for BMX racing enthusiasts. The Inspyre Concorde V3 Pro XXL Frame/Fork Kit (2025) features a green and black frame with "NS BIKES" on the diagonal tube and "ADVENT" on the fork, ideal for those inspired by the World Cup circuit.
Inspyre Concorde V3 Junior Frame/Fork Kit (2025)
From

$1,499.99 AUD
The Inspyre Concorde V3 Pro XXL Frame/Fork Kit (2025) features a striking purple and black design against a white background, capturing the essence of BMX racing for those aiming for the World Cup circuit. The Inspyre Concorde V3 Pro XXL Frame/Fork Kit (2025) features a green and black frame with "NS BIKES" on the diagonal tube and "ADVENT" on the fork, ideal for those inspired by the World Cup circuit.
Inspyre Concorde V3 Pro XXXXL Frame/Fork Kit (2025)
From

$1,564.99 AUD
The Inspyre Concorde V3 Junior Frame/Fork Kit (2025) in blue and white boasts a sleek design with bold "Inspire" and "Conquer" text, hydroformed tubes, and a strong front fork, ideal for BMX racing enthusiasts. The 2025 Inspyre Concorde V3 Pro L Frame/Fork Kit blends sleek hydroformed tubing with a black rear and green front. Featuring "NS" and "ADVENT" logos, it's ideal for BMX racers who value style and performance.
Inspyre Concorde V3 Expert Frame/Fork Kit (2025)
From

$1,499.99 AUD
The Inspyre Concorde V3 Pro L Frame/Fork Kit (2025) stands upright against a plain white background, showcasing its sleek black and white design. Crafted with hydroformed tubes, this frame is built for BMX racing excellence. The Inspyre Concorde V3 Pro L Frame/Fork Kit (2025) features a blue and white design with "Inspire" branding on hydroformed tubes for enhanced durability.
Inspyre Concorde V3 Pro L Frame/Fork Kit (2025)
From

$1,564.99 AUD
The Inspyre Concorde V3 Junior Frame/Fork Kit (2025) in blue and white boasts a sleek design with bold "Inspire" and "Conquer" text, hydroformed tubes, and a strong front fork, ideal for BMX racing enthusiasts. The Inspyre Concorde V3 Pro XXL Frame/Fork Kit (2025) features a green and black frame with "NS BIKES" on the diagonal tube and "ADVENT" on the fork, ideal for those inspired by the World Cup circuit.
Inspyre Concorde V3 Expert XL Frame/Fork Kit (2025)
From

$1,499.99 AUD
The Inspyre Concorde V3 Pro XL Frame/Fork Kit (2025) stands out with its black and white design, showcasing prominent branding on the sides and fork. Its hydroformed tubes make it ideal for BMX racing enthusiasts who value style and performance against a white background. The Inspyre Concorde V3 Pro XL Frame/Fork Kit (2025) boasts a stylish teal and white design with hydroformed tubes for increased durability, perfect for BMX racing fans.
Inspyre Concorde V3 Pro XL Frame/Fork Kit (2025)
From

$1,564.99 AUD