The motorcycle chassis is one of the most important components of a bike, as it holds all other parts in place. It is like a skeleton that the wheels, engine, fuel tank, seat, handlebars, etc., hold on to. Since there are different types of bike chassis based on shape, structure, and material, you must give attention to your desired bike’s chassis to ensure quality, strength, and durability.
Below is a brief look at the different types of motorcycle chassis, with their advantages and disadvantages.
What is a Bike Chassis? Why is it so Important?
Before delving into the different types of chassis in bikes, let's highlight their importance in a motorcycle. Most importantly, it serves as the backbone of a vehicle, providing structural support and integrity to all components. It bears the rider’s weight and the bike’s body itself. Moreover, it absorbs vibrations and shocks from the road.
The strength and cost of a bike largely depend on its chassis. Steel is one of the most common materials used for making chassis material, as it is stable, strong, and cost-effective for low to moderate performance levels. Aluminium is rigid and lightweight. Magnesium, titanium, and carbon fibre are powerful but expensive.
Different types of Bike Chassis
After understanding what is chassis in a bike, you would want to learn more about its different types. Keep reading for more:
1. Backbone Frame
It is a spine-like frame holding together different parts of a bike. It is not a complete skeleton but only provides the backbone. It uses less amount of material and has the engine bolted on its spine.
Advantages and Disadvantages of Backbone Frame
| Advantages | Disadvantages |
| Cost-effective | Lacks strength |
| Suitable for entry-level bikes | Low torsional rigidity |
Also Read: Top 6 Automatic Transmission Bikes You Can Buy
2. Single Cradle Frame
Also called a single down tube frame, it contains several steel tubes joined together in a bicycle-like pattern. That is why it looks much like a fully-built bicycle. This basic frame is often used in budget-friendly motorcycles. This frame has the engine cradled in its chassis as a stressed member. It has one steel tube going underneath the engine.
Advantages and Disadvantages of Single Cradle Frame
| Advantages | Disadvantages |
| Cost-effective | Lacks strength |
| Good for low-power vehicles | Not suitable for high-performance bikes |
Also Read: Explore Different Types Of Bikes Available In India
3. Double Cradle Frame
Although similar to a single cradle frame, it has two tubes supporting the engine, providing the bike with better structural rigidity and strength. That is why it is also called the double-down tube chassis. As a result, the bike can handle forces when driving or braking heavily at different angles. It is an excellent combination of cost-efficacy and quality.
Advantages and Disadvantages of Double Cradle Frame
| Advantages | Disadvantages |
| Better strength and quality | Old and outdated design |
| Cost-effective | Not suitable for high-performance bikes |
Also Read: 5 Different Types of Motorcycle Engines You Should Know
4. Perimeter Frame (Twin Spar Frame)
The perimeter frame is a popular choice for high-performance bikes. The steering band is connected with a swing arm, delivering a noticeable boost to the bike's rigidity. Two beams reach out to the pivot arm around the engine. With adequately stiff rods, it improves the performance significantly while reducing weight.
Advantages and Disadvantages of Perimeter Frame
| Advantages | Disadvantages |
| A popular choice for high-performance bikes | Less power delivery than trellis frame |
Also Read: Difference Between Torque And BHP In Bikes
5. Trellis Frame
The trellis frame works on the same principle as a perimeter frame. It connects the steering bar to the swing arm. However, the difference lies in the construction of the connectors. In a trellis frame, aluminium or steel tubes are connected together to form a structure like a trellis.
Advantages and Disadvantages of Trellis Frame
| Advantages | Disadvantages |
| Lightweight | Low efficiency than monocoque frames |
| Easy construction |
Also Read: Top 10 Features To Look Out For In Your Brand New Motorcycle
6. Monocoque Frame
The construction of a monocoque frame is expensive and needs top-notch machinery and robotisation. Since it is meant for extremely high-performance bikes only, it is the rarest type of bike chassis used in the two-wheeler industry. The entire frame structure is extremely stiff. It uses light yet stiff materials for manufacturing, like magnesium and carbon fibre.
Advantages and Disadvantages of Monocoque Frame
| Advantages | Disadvantages |
| Uses sophisticated technology for construction | Too expensive |
| Brings out the best in the bike | Used in rare bikes |
Also Read: 5 Modern Features You Should Have For a Performance Motorcycle
Finance Your Chassis Modification with Hero Fincorp Two Wheeler Loan
Explore how Hero Fincorp's two-wheeler loan can finance your chassis modifications for enhanced performance and customization.
- Customization Flexibility: Hero Fincorp offers loans tailored to cover chassis modifications, allowing you to customize your bike or scooter to your liking.
- Competitive Interest Rates: Benefit from competitive interest rates that make financing your modifications affordable.
- Easy Application Process: Apply online or at a nearby branch with minimal documentation for quick approval.
- Loan Amounts: Get financing that matches your modification needs, ensuring you have enough funds for the changes you want.
- Flexible Repayment Options: Choose from flexible repayment plans that suit your financial situation and budget.
Steps to Apply for a Two Wheeler Loan for Chassis Modification
Hero FinCorp is one of the most reputed lending institutions to offer bike loans at competitive interest rates.
Step 1: Visit the Hero FinCorp official website and use the Two-wheeler Loan Calculator to check your eligibility.
Step 2: Go to the Two-wheeler Loan section and click the ‘Apply Now’ button.
Step 3: Fill out an online application form.
Step 4: Select the dealership where you want to purchase the bike.
Step 5: Agree to the ‘terms and conditions’ and submit the application.
Step 6: After verifying your details and documents, you will get an instant approval with a reference number.
Conclusion
Every motorcycle starts with a chassis as it provides support to all other components like tyres, engines, fuel tanks, handlebars, exhaust, fenders, etc. When shopping for a motorcycle, knowing the different chassis types is important to make the right choice.
After finalising your desired bike, apply for a Bike Loan from Hero FinCorp and finance up to 95% (Rs 3.5 Lakh) of its cost. That means you can choose a high-end bike with a sturdy chassis without paying its cost upfront. Since it has a flexible repayment tenure (6-60 months), you can use a Bike Loan Calculator to keep the EMIs affordable and easily manageable. The interest rates are competitive, starting at 14%, eligibility conditions are simple, and documentation requirements are minimal to keep bike finance easily accessible.
Also Read: What Is RPM In Bike Engine And How It Works?
Frequently Asked Questions
1. What materials are commonly used in motorcycle chassis construction?
Steel is the most common material used for constructing motorcycle chassis. However, aluminium, titanium, magnesium, and carbon fibre are also used.
2. How does the chassis contribute to the overall performance of the motorcycle?
The bike chassis gives a skeleton to the bike parts. The sturdier the chassis, the more brunt the bike can take, delivering high performance and lasting longer.
3. Can I modify my motorcycle's chassis?
Modifying the bike chassis is possible but not recommended, as it disrupts the bike's structure and integrity.
4. What is the significance of the wheelbase in a motorcycle chassis?
The wheelbase of a motorcycle chassis provides manoeuvrability and stability to the vehicle, which is why it is very important.
5. Can a damaged chassis be repaired, or does it need replacement?
Minor bends and cracks can be repaired with welding and hydraulic tools. However, they may become more serious in subsequent collisions. So, it’s better to replace the chassis if badly damaged.
Disclaimer: Please note that the availability of shared motorcycles may vary depending on demand and other factors. While we strive to provide convenient access to our shared motorcycle service, we cannot guarantee the availability of motorcycles at all times or in all locations. We appreciate your understanding and patience as we work to enhance our service and accommodate varying demands.
