A red Sunday Blueprint 20 inch bike on a white background.

The Sunday Blueprint 20 inch Bike is shown in red with black handlebars, seat, and tires, side view on a white background. Ideal as a beginner BMX bike, it features reliable Odyssey Parts for smooth rides.

The Sunday Blueprint 20 inch Bike is a silver beginner BMX with black handlebars, tires, and seat, shown from the side on a white background—featuring reliable Odyssey Parts for enhanced performance.

A black Sunday Blueprint 20 inch Bike on a white background.

The Sunday Blueprint 20 inch Bike, shown in pink with black tires, a black seat, and handlebars on a white background, is an excellent choice for those seeking a quality beginner BMX featuring reliable Odyssey parts.

The Sunday Blueprint 20 inch Bike in blue is displayed from the side against a white background, featuring black handlebars, seat, and tires; it's an ideal beginner BMX bike equipped with quality Odyssey parts.

The Sunday Blueprint 20 inch Bike is displayed from the side on a white background, showcasing its yellow frame paired with black wheels, seat, and handlebars. Designed with pro-level geometry for optimal performance, this beginner BMX bike perfectly illustrates Sunday’s signature style.

Close-up of the Sunday Blueprint 20 inch Bike's rear wheel, highlighting the tire, chain, and black Springfield brake caliper mounted on its neon green frame—ideal details for anyone looking for a dependable beginner BMX bike built with trusted Odyssey components.

A Sunday Blueprint 20 inch Bike in lime green, equipped with black handlebars and wheels and designed with pro-level geometry perfect for beginner BMX riders, is parked on an asphalt street near a painted crosswalk line.

A silver Sunday Blueprint 20 inch Bike with black tires and handlebars rests on a paved surface in front of a wall displaying abstract art. Designed with pro-level geometry, the Sunday Blueprint 20 inch Bike delivers both style and performance, making it an ideal choice for beginner riders ready to elevate their BMX skills.

Close-up of the Sunday Blueprint 20 inch Bike frame in gray, displaying the word "BLUEPRINT" on the vertical tube, with portions of the tires and pedals visible—an excellent beginner BMX option equipped with Odyssey Springfield brakes.

Description

It's time to set up a plan..Have you got the Blueprints? You don't? That's okay, we have you covered with the Sunday Blueprint 20 inch Bike.

We have the Blueprints for a wonderful entry into the amazing world of BMX! These action packed beginner bikes from the legends at Sunday are chock full of Sunday and Odyssey Parts and are available in two Top Tube sizes- a 20 Inch Top Tube for the shorter riders and 20.5 Inch Top Tube for the slightly taller. These epic beginner bikes open up a new world of possibilities and are itching for a shredding!

The Blueprint is a bike for new riders that is built around a pro-level geometry to help them progress faster.

This bike is equipped with hassle-free parts like Odyssey Springfield brakes, a Sunday Freeze stem and Current 2.4” tyres to help keep you focused on the important part - riding. The Blueprint comes with an integrated head tube this year for greater durability, ease of assembly and pro style points.

Features

Pro-level geometry for new riders. The Blueprint is built for new riders around a pro-level geometry to help them progress faster, with a 75° head angle and 11.5" bottom bracket.
Two top tube sizes. A 20" top tube for shorter riders and 20.5" for the slightly taller, both with 160mm 3-piece chromoly cranks.
Hassle-free parts that just work. Odyssey Springfield U-brake, a 48mm Sunday Freeze stem and Sunday Current 2.4" tyres, so you can stay focused on the important part: riding.
Integrated head tube. An integrated 1-1/8" head tube with an FSA integrated headset brings greater durability, easier assembly and pro style points.
Sunday and Odyssey parts throughout. Sunday Cornerstone grips, a Sabretooth 25T sprocket, KMC S1 chain, 9T driver rear hub, 36-hole P-7X aluminium rims and a Sunday Badge seat, about 11.7 kg.

Specifications

Size: 20" wheels, 20" or 20.5" top tube
Frame: Sunday Blueprint, integrated 1-1/8" head tube
Chainstay: 13.2-13.5"
Head tube angle: 75°
Seat tube angle: 71°
Standover: 8.75"
Bottom bracket height: 11.5"
Fork: Sunday Blueprint 20", 2-piece steerer tube with welded pre-load
Headset: FSA integrated, 1-1/8", FSA aluminium cap
Stem: Sunday Freeze front load, 48mm
Bars: Sunday 2-piece, 9" rise, 28.5" wide, 12° backsweep, 4° upsweep
Grips: Sunday Cornerstone
Brakes: Odyssey Springfield U-brake with Odyssey Quik Slic cable
Brake lever: Aluminium, U-brake compatible
Cranks: 3-piece chromoly, 160mm
Bottom bracket: Loose ball American, 19mm
Sprocket: Sunday Sabretooth, 25T, steel
Chain: KMC S1
Pedals: Wellgo platform, plastic
Front hub: Sunday, 36H, low-flange, loose ball, 3/8" axle
Rear hub: Sunday, 36H, 14mm axle
Rear cog: 9T driver
Spokes: 14g steel, black
Rims: P-7X aluminium, 20", 36H
Tyres: Sunday Current 20 x 2.4", front and rear
Seat: Sunday Badge seat and post combo
Seat post: Integrated with seat
Seat clamp: Integrated
Gearing: 25/9
Weight: 11.7 kg approx. (with brakes)

Assembly information

Your bike ships mostly assembled in the box. Finishing it takes most people 10 to 20 minutes with basic tools, and the video above walks through every step.

Fit the handlebars and line them up with the front wheel
Fit the front wheel, pedals and seat post
Check the brakes and tyre pressure before the first ride

Tools: Allen key set and a 15mm, 17mm or 19mm spanner for the pedals and axle nuts (bikes can vary between these three sizes). A socket is needed if installing pegs.

Rather have it done? Ask us about extra assembly before you order, or any local bike shop can finish the build for a small fee.

Sunday Blueprint 20 inch Bike

Name: Sunday Blueprint 20 inch Bike
Brand: Sunday
SKU: SUBK202-22-BLU
Price: 599.99 AUD
Availability: OutOfStock
Rating: 3.0 (2 reviews)

Brand: Sunday SKU: Click to copy the SKU and show the pick location

$799.99 AUD

Or 4 payments of $199.99 AUD with

Recommended Rider Height:

147-183cm

Colour - Gloss Sunday Blue

Top Tube Length - 20.5

A 20 inch bike is the standard adult BMX and suits riders from about 147cm up. At this wheel size the top tube is what changes the fit, so pick that by height.

Rider height	Wheel size	Top tube
60 to 91cm	12"	12 to 12.5"
81 to 106cm	14"	14 to 14.5"
96 to 122cm	16"	16 to 16.5"
122 to 147cm	18"	18 to 18.5"
147 to 157cm	20"	19.75 to 20.25"
157 to 168cm	20"	20 to 20.5"
168 to 175cm	20"	20.25 to 20.75"
175 to 183cm	20"	20.5 to 21"
183 to 190cm and up	20"	20.75 to 21.5"
160cm and up	22"	21 to 22.25"
160cm and up	24"	21.75 to 22"
160cm and up	26"	22 to 23"

Sizes overlap on purpose, so personal preference comes into it. If you land in two bands, riding style breaks the tie: longer for flow, trails and transitions, shorter for technical street and park.

How to measure

Stand your rider against a wall in the shoes they ride in, heels flat, and mark the top of their head. Measure from the floor to the mark.

Top tube is measured from the centre of the seat tube to the centre of the head tube, so it is not the same as the length of the tube you can see.

A 20 inch bike is the standard adult BMX and most riders end up there, so do not size a tall child down to a smaller wheel.
22, 24 and 26 inch bikes are adult bikes with a bigger wheel, not bigger frames for taller riders.
Size up for stability through trails and transitions. Size down if you want the bike quick and twitchy for spins and grinds.
Top tube is fixed, but stem length, fork offset and bar position all shift how roomy the bike feels once you are on it.

Not sure? Send us their height and we will tell you what we would put them on.

Read the full buying guide