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Not Your Average Go Kart: Track It. Drift It. It’s JESTER.
We built a kart for the streets. With a tough 32mm chassis, punchy 212cc engine, fat drift slicks and serious low-slung attitude, this is a drift kart made for riders who want to track it, drift it and build it their way.
Level up with F63XE Sprinter: Electric go kart for the Family
More power. More battery. More space. Less noise. Meet the new F63XE Sprinter Electric Go kart - a smarter, smoother and tougher evolution of the Sprinter, built to ride further and perform better.
We're going all in - Upgrades, Upgrades..
An experimental off-road beast built on the Modular Go Kart platform, featuring upgraded suspension, a powerful 448cc engine, and heavy-duty components. Built tough for thrill-seekers who crave adventure beyond the ordinary.
Family budget friendly Mini Bikes
When buyers ask whether the XB200 Mini Bike is worth it, they want real value. Not just the lowest price. Why it boasts shared family fun across bush tracks and farm runs without quick obsolescence.
Modular go karts: Ultimate guide
Unleash your creativity with our fully modular off-road go-karts. Since 2013, we’ve offered performance chassis, engines, wheels, and accessories, empowering you to build, customize, and adventure without limits.
Meet the FA2K - Zero Noise. Full Send.
Kids step aside, watch and learn. This trike is loud in many ways, but packs a powerful 2000w Silent motor. It's rear-wheel drive, fat tyres, and heavy-duty components designed to dominate every corner.
18+ Adult Only Drift Trikes
Not for the faint hearted. We explore the ideas behind the creation of this new Electric Drift Trike
X1 is Changing the Game 3 Wheels at a time
Drag racing and Drifting all in one package? We hear y'all, the X1 Mini Drift trike is now available here in Australia. First release sold out quick, get yours now before it's too late. -
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Helmetkarts Warehouse & Showroom - Melbourne Warehouse
Free
Usually ready for pickup in 24 hours
9 Freight road Ravenhall, VIC, 3023
0466 846 104
**Appointments Only**
Store hours
Mon - Fri, 9:00am - 3:00pm,
Saturday, 9:00am - 3:00pm,
Sunday, CLOSED
Brake disc Rotors
Built to deliver dependable stopping power, our brake disc rotors are designed for off-road and ride-on vehicles operating in demanding conditions. Whether you're replacing a worn rotor or upgrading your braking system, our range offers durable, precision-engineered discs for smooth braking performance and improved heat dissipation. Ideal for repairs, maintenance and custom builds across a wide variety of recreational vehicles.
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42 products
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Let us take care of it - So you can spend less time waiting and more time riding.
$17.00
About this product
This 3 Stud / 160mm Brake Disc is an essential component for your vehicle’s braking system, ensuring optimal performance and safety. With an 180mm overall diameter and a centre diameter of approximately 58mm, this brake disc is designed for vehicles requiring these specific dimensions. The thickness of the disc is 3.00mm, providing a robust and reliable structure. Additionally, the distance from the nearest mounting hole to another hole is approximately 70mm, ensuring a proper fit for compatible systems.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 180mm |
| Centre Diameter | Approx. 58mm |
| Thickness | 3.00mm |
| Distance Nearest Mounting Hole to Hole | Approx. 70mm |
| Weight | 0.2 kg |
Features & Benefits
- High-quality 160mm brake disc with 3-stud configuration.
- Designed for optimal fit and performance with an 180mm overall diameter.
- Reliable braking with robust 3.00mm thickness.
- Precise compatibility with a centre diameter of approx. 58mm.
- Easy installation with distances of approx. 70mm between mounting holes.
$32.00
About this product
The 3 Stud / 270mm Brake Disc Rotor by Byglo is designed for optimal performance in brake systems. This dished rotor features a centre diameter of 100.00mm and a thickness of 4.15mm. The rotor is engineered for precision and reliability, making it an excellent choice for both kids' and adults' vehicles. The rotor's stud pattern is 3, ensuring compatibility with a variety of vehicles. Additionally, the product is known for its durability and efficient heat dissipation, enhancing braking performance.
Specifications
| Specification | Detail |
|---|---|
| Rotor Type | Dished |
| Stud Patter | 3 |
| Diameter | 270mm |
| Centre Diameter | 100.00mm |
| Thickness | 4.15mm |
| Distance Nearest Mounting Hole to Hole | Approx. 39.20mm |
| Distance Across Mounting Hole to Hole | Approx. 74.50mm |
Features & Benefits
- Premium quality dished rotor for enhanced braking efficiency
- Designed with a precise 270mm diameter for perfect fitment
- Durable construction for long-lasting performance
- Ideal for both children's and adult's vehicles
- Efficient heat dissipation ensures reliable braking
$28.00
About this product
Introducing the 6 Stud / 220mm Brake Disc Rotor, a critical component for your vehicle's braking system. Designed for durability and precision, this brake disc rotor features a 220mm diameter and a stud pattern that includes 6 studs for enhanced stability. With a center diameter of 118.20mm, this rotor is crafted to fit perfectly into your vehicle's brake assembly. The rotor's thickness is 4.75mm, providing a robust structure for effective braking performance.
This dished rotor is engineered to ensure smooth and efficient operation, making it a reliable choice for both kids' and adults' vehicles. The distances between the mounting holes are carefully measured, with the nearest mounting hole to hole distance approximately 67.00mm and the distance across mounting holes approximately 135.50mm, guaranteeing a precise fitment.
Specifications
| Specification | Detail |
|---|---|
| Stud Patter | 6 Stud |
| Diameter | 220mm |
| Center Diameter | 118.20mm |
| Thickness | 4.75mm |
| Distance Nearest Hole | 67.00mm approx. |
| Distance Across Holes | 135.50mm approx. |
Features & Benefits
- Durable 4.75mm thickness for reliable performance
- Precise 6 stud design for secure fitment
- Designed for both kids' and adults' vehicles
- Accurate measurements for easy installatio
From $21.00
About this product
This 4 Stud Brake Disc Rotor is an essential component for your vehicle, ensuring reliable stopping power and performance. The rotor is dished and available in three sizes: 200mm, 220mm, and 240mm, making it versatile for different fitments. Its centre diameter measures 50.00mm, with a thickness of 3mm, which contributes to its durability and efficiency in braking. The precise engineering of the rotor ensures that the distance from the nearest mounting hole to another is approximately 46.50mm, and the distance across the mounting holes is approximately 66.00mm, allowing for secure installation.
Specifications
| Specification | Detail |
|---|---|
| Type | Brake Disc Rotor |
| Stud | 4 Stud |
| Available Sizes | 200mm, 220mm, 240mm |
| Centre Diameter | 50.00mm |
| Thickness | 3mm |
| Distance Nearest Hole | 46.50mm |
| Distance Across Holes | 66.00mm |
Features & Benefits
- Suitable for various vehicles with 4 stud configurations, ensuring versatile application.
- Available in multiple sizes (200mm, 220mm, 240mm) for customised braking performance.
- Robust 3mm thickness for enhanced durability and heat dissipation.
- Dished design for improved fitment and performance.
- Precisely engineered dimensions for easy installation and reliable performance.
$19.00
About this product
This 4 Stud / 200mm Brake Disc Rotor offers high performance and durability for a variety of vehicles. With an overall diameter of 200mm and a centre diameter of 75.90mm, it is designed for precise fitment and easy installation. The rotor has a thickness of 3.75mm, ensuring reliable braking performance. The distance from the nearest mounting hole to another hole is approximately 76.35mm, and across mounting holes, it measures approximately 98.92mm. This brake disc rotor is specifically crafted to provide superior stopping power for both kids' and adults' vehicles and spares, making it an ideal choice for anyone seeking quality and performance.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 200mm |
| Centre Diameter | 75.90mm |
| Thickness | 3.75mm |
| Distance Nearest Hole to Hole | Approx. 76.35mm |
| Distance Across Mounting Holes | Approx. 98.92mm |
| Weight | 0.1 kg |
Features & Benefits
- Precision fitment ensures easy installation.
- High durability and reliable braking performance.
- Suitable for a wide range of vehicles, including kids' and adults' vehicles.
- Lightweight design reduces unsprung weight for better performance.
From $19.00
About this product
This 4 Stud Dished Brake Disc Rotor is designed for various applications with sizes available in 190mm, 210mm, and 220mm. The rotor features a central diameter of 70.90mm and a thickness of 3.75mm. It is engineered to ensure optimal performance and fitment with a distance from the nearest mounting hole to hole approximately 76.35mm, and across mounting hole to hole approximately 98.92mm.
Specifications
| Specification | Detail |
|---|---|
| Available Sizes | 190mm, 210mm, 220mm |
| Centre Diameter | 70.90mm |
| Thickness | 3.75mm |
| Distance Nearest Mounting Hole to Hole | Approx. 76.35mm |
| Distance Across Mounting Hole to Hole | Approx. 98.92mm |
Features & Benefits
- Multiple size availability for customised applications.
- Precision engineering for reliable performance.
- Durable material ensures long-lasting use.
- Easy fitment with clear specifications.
$19.00
4 Stud / 190mm overall diameter
Center diameter - 37.00mm
Thickness - 3.80mm
Distance nearest mounting hole to hole approx.38.70mm
$16.00
Who’s it for?
- DIY builders exploring custom performance upgrades
- Weekend warriors who demand precise handling on trails
- Regional workers needing reliable stopping power day in, day out
- Families and schools putting safety first in controlled environments
Why riders choose it
- Improved control – Stay steady on tricky surfaces and steep descents
- Proven durability – Sturdy thickness helps minimise wear and tear
- Custom fit – Four-stud pattern suits a wide range of recreational vehicles
- Trusted support – Backed by HelmetKarts’ commitment to long-term spares
| Spec | Value |
|---|---|
| Overall Diameter | 190 mm |
| Centre Diameter | 50.00 mm |
| Thickness | 3.50 mm |
| Mounting Holes | 4 stud pattern |
| Nearest Hole to Hole | Approx. 46.00 mm |
| Across Hole to Hole | Approx. 66.00 mm |
$13.00
3 Stud / 138mm overall diameter
Center diameter - 37.00mm
Thickness - 3.00mm
Distance nearest mounting hole to hole approx. 40.50mm
$12.00
Who’s it for?
- DIY enthusiasts needing a straightforward brake rotor upgrade
- Weekend warriors chasing extra stopping confidence on rough tracks
- Regional workers seeking reliability under heavy daily use
- Youth groups and community clubs maintaining a reliable fleet
Why riders choose it
- Smooth, consistent braking – Engineered to help you maintain control on all terrains
- Durable design – Resistant to warping and wear, even under tough conditions
- Easy installation – Fits many popular recreational vehicle setups
- Long-term support – Backed by HelmetKarts’ extensive spare parts and community
Specifications
| Spec | Value |
|---|---|
| Overall Diameter | 138mm |
| Centre Diameter | 29.00mm |
| Thickness | 3.00mm |
| Distance Between Mounting Holes | 32.30mm |
$19.00
About this product
This high-quality 4 Stud / 160mm Brake Disc Rotor is designed for durability and performance. With its 160mm overall diameter, it ensures optimal braking efficiency. The disc features a 50.00mm center diameter and a 4 lug pattern, making it suitable for a variety of vehicles. The mount hole sizes are approximately 8mm, with a mounting hole distance of approximately 68mm across. The disc has a thickness of approximately 5mm, providing reliability and long-lasting use.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 160mm |
| Center Diameter | 50.00mm |
| Lug Patter | 4 Stud |
| Mount Hole Size | Approx. 8mm |
| Mounting Hole Distance | Approx. 68mm |
| Thickness | Approx. 5mm |
Features & Benefits
- Durable and reliable 160mm brake disc rotor
- Compatible with various vehicle models due to 4 stud lug patter
- Easy to install with standard mounting hole dimensions
- Designed to provide optimal braking performance
From $16.50
About this product
The 6 Stud / 130mm Brake Disc Rotor is a vital component of your vehicle's braking system. Designed for optimal performance, this brake disc rotor features a 130mm overall diameter, making it suitable for various applications. It has a center diameter of 47.00mm and offers a distance across mounting holes of approximately 58.00mm, ensuring compatibility with a wide range of vehicles. Whether you are upgrading your vehicle or replacing a worn component, this rotor is engineered for reliability and safety.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 130mm |
| Center Diameter | 47.00mm |
| Mounting Hole Distance | Approx. 58.00mm |
| Studs | 6 |
Features & Benefits
- High-quality construction ensures long-lasting performance and durability.
- Designed for easy installation with compatible vehicles.
- Optimal for both kids and adult vehicles, enhancing safety and brake efficiency.
- Reliable component for brake system upgrades or replacements.
$15.00
About this product
This high-quality 6 Stud / 107mm Brake Disc Rotor is essential for maintaining optimal braking performance in compatible vehicles. With an overall diameter of 107mm, this rotor is designed to ensure a safe and smooth braking experience. The center diameter measures 40.10mm, providing a precise fit for your braking system.
The rotor features a distance of approximately 24.00mm from the nearest mounting hole to the next, and a distance of approximately 49.30mm across mounting holes, allowing for easy installation and secure attachment.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 107mm |
| Center Diameter | 40.10mm |
| Distance Nearest Hole to Hole | Approx. 24.00mm |
| Distance Across Hole to Hole | Approx. 49.30mm |
Features & Benefits
- Ensures optimal braking performance with precision engineering.
- Easy installation with accurate mounting hole measurements.
- Durable design for long-lasting use in various vehicles.
$15.00
About this product
The 4 Stud 110mm Brake Disc Rotor offers precision and reliability for effective stopping power. With an overall diameter of 110mm, it is designed to provide durable performance. The center diameter is precisely 40.50mm, ensuring compatibility with standard assemblies. The distance from the nearest mounting hole to the next is approximately 35.60mm, with a distance across mounting holes of about 49.60mm, making it a suitable choice for various vehicles.
Specifications
| Specification | Detail |
|---|---|
| Overall Diameter | 110mm |
| Center Diameter | 40.50mm |
| Distance Nearest Mounting Hole to Hole | 35.60mm |
| Distance Across Mounting Hole to Hole | 49.60mm |
| Weight | 0.1 kg |
Features & Benefits
- Precision-engineered for optimal performance.
- Reliable braking with 110mm diameter suitable for various applications.
- Easy installation due to standard hole measurements.
- Lightweight design at only 0.1kg.
- Compatible with multiple vehicle types for versatile use.
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