18" Sunday Primer

FREE SHIPPING FOR LIMITED TIME - NO CODE NEEDED

*SHIPS TO CA, NV, AZ IN 1-2 DAYS

*SHIPS TO ANYWHERE IN THE USA IN 2-5 DAYS

*SUPER SECURE CHECK OUT

*365 DAY RETURN POLICY

Get similar bike here

Stacked official word:
The 18' Sunday Primer is a bike your 6-9 year old can shred the hell out of. This Primer is built like a Scout but with 18" wheels, Internal headset so your handlebars don't get loose & mid bottom bracket to keep the cranks tight. It has a super heavy duty powder coat paint job with awesome Sunday graphics laid on top. If you want to put your child in the ultimate position, this is the move. Snag one before all his pick his favorite color.

Sunday bikes word:
The Primer is a bike for new riders that is built around a pro-level geometry to help them progress faster and is compatible with many aftermarket parts. This bike is equipped with hassle-free parts like Odyssey Springfield brakes, a Sunday Freeze stem and Current 2.4” tires to help keep you focused on the important part - riding. The Primer comes with an integrated head tube this year for greater durability, ease of assembly and pro style points.

Product Description

The 18" Sunday Primer is the perfect BMX bike for young riders who are ready to progress beyond a standard children's bicycle and experience a true freestyle BMX bike. Designed by Sunday Bikes, one of the most respected names in BMX, the Primer combines quality components, rider friendly geometry, and proven durability into a bike that's ready for skateparks, neighborhood sessions, pump tracks, and first tricks.

Built specifically for growing riders, the 18" Sunday Primer bridges the gap between a 16 inch and full size 20 inch BMX bike. The 18 inch wheel size offers improved stability while remaining easy to control, making it an excellent choice for younger riders learning bunny hops, manuals, jumps, and basic freestyle tricks.

Whether your child is riding around the neighborhood, visiting the local skatepark, or developing new BMX skills, the Sunday Primer delivers the confidence, comfort, and performance needed to keep progressing.

With Sunday Bikes' reputation for quality and rider focused design, the 18" Sunday Primer is a bike parents trust and kids love riding.

Product Use

The 18" Sunday Primer is ideal for:

• Beginner BMX riding
• Freestyle BMX
• Skateparks
• Street riding
• Pump tracks
• Neighborhood riding
• Learning bunny hops
• Learning manuals
• Learning jumps
• Everyday riding

FULL PARTS LIST

FRAME: 18.5" Hi-Ten or Aluminum

FORK: Primer 18", Hi-Ten 2pc Cromo Steerer

HANDLEBAR: 7.65" OEM Hi-Ten

STEM: Sunday Freeze 48mm front Load

HEADSET: FSA 1 1/8 integrated 

HEADSET CAP: M6 Preload w/ Alloy Cap

BRAKE LEVER: alloy

BRAKE: Odyssey Springfield

BRAKE CABLE: Odyssey Quik Slic

GRIPS: Sunday Cornerstone 

SEAT: Sunday Badge combo

SEAT POST: Combo 25.4mm

SEAT CLAMP: Sunday

SPROCKET: Sunday Sabertooth V2 25t Steel

CRANKS: 140mm cromo 3-pc

BB PARTS: 19mm sealed mid

PEDALS: Wellgo Junior Platform

RIMS: P-7X 16 x 20H 

FRONT HUB: Sunday Low-Flange, Looseball 36H male 3/8" Axle 28H

REAR HUB: Sunday Sealed 14mm axle 9t driver 28H

SPOKES: 14G Steel Black

TIRES: Sunday  Current 18" x 2.1"

CHAIN: KMC S1

FRAME TOP TUBE LENGTH: 18.5"

HEAD TUBE ANGLE: 74.5°

SEAT TUBE ANGLE: 71°

CHAINSTAY LENGTH: 11.7 - 12”

BOTTOM BRACKET HEIGHT: 10.35"

STANDOVER: 7.5"

HANDLEBAR RISE: 7.65"

WIDTH: 25.5"

BACKSWEEP: 12°

UPSWEEP: 1°

WEIGHT WITH BRAKES: TBA

Why Riders Use This Sunday Bike

Young riders choose the 18" Sunday Primer because it feels like a real freestyle BMX bike while remaining appropriately sized for growing riders.

Benefits include:

• Lightweight and responsive handling
• Stable 18 inch wheel platform
• Comfortable BMX geometry
• Easy to learn tricks and bike control
• Built by a trusted BMX brand
• Excellent upgrade from a standard kids bike

The Sunday Primer helps riders build confidence while learning proper BMX techniques that will carry over to larger bikes in the future.

5 Problems You'll Run Into Using Other Kids Bikes

• Heavy frames make learning tricks much harder.
• Department store bikes often use lower quality components that wear out quickly.
• Poor geometry makes it difficult to learn proper BMX techniques.
• Cheap wheels and bearings require frequent maintenance.
• Many kids bikes are designed only for casual riding instead of freestyle progression.

5 Reasons the 18" Sunday Primer Is Better

• Purpose built freestyle BMX geometry for young riders.
• Lightweight frame improves control and maneuverability.
• High quality components from a trusted BMX brand.
• Perfect stepping stone before moving to a 20 inch BMX bike.
• Designed to help riders progress in street, park, and pump track riding.

Shipping: THIS ITEM ONLY SHIPS FEDEX or UPS GROUND. Free shipping is available on this item. More shipping info here.

We accept most major credit cards.

Frequently Asked Questions

Q: Who is the 18" Sunday Primer designed for?

A: The 18" Sunday Primer is designed for younger riders who have outgrown a 16 inch bike but aren't quite ready for a full size 20 inch BMX bike.

Q: Is the Sunday Primer good for beginners?

A: Yes. It is one of the best beginner BMX bikes because it combines rider friendly geometry, quality components, and predictable handling.

Q: Can the 18" Sunday Primer be used at a skatepark?

A: Absolutely. It's built for freestyle BMX riding, including skateparks, street riding, and pump tracks.

Q: Is this a real freestyle BMX bike?

A: Yes. Unlike many department store kids bikes, the Sunday Primer is purpose built for freestyle BMX riding.

Q: What riding styles is the Sunday Primer designed for?

A: It's designed for freestyle BMX, street riding, skateparks, neighborhood riding, pump tracks, and learning tricks.

Q: Is the 18 inch wheel size better than a 16 inch bike?

A: For many growing riders, yes. The 18 inch size provides more stability while remaining easy to maneuver.

Q: Can riders learn bunny hops and manuals on this bike?

A: Yes. The Sunday Primer is designed to help riders learn core BMX skills like bunny hops, manuals, jumps, and balance.

Q: Why choose Sunday Bikes?

A: Sunday Bikes has built a strong reputation for producing high quality freestyle BMX bikes designed by experienced BMX riders.

Q: Is the Sunday Primer durable?

A: Yes. It is built with quality BMX components designed to withstand everyday riding and progression.

Q: Why choose the 18" Sunday Primer over other kids BMX bikes?

A: The Sunday Primer offers premium BMX geometry, trusted Sunday quality, better components, and a platform designed to help young riders progress faster.