Whether you’re a serious DIY enthusiast exercising your passions by working on your bike when you need maintenance or upgrades, a competitor who needs to know how to make adjustments between events to get the winning edge, or a casual rider who just wants to get the most out of the experience, understanding dirt bike gear ratio is the key to finding the natural shifting points for your riding style that let you get more out of your off-road experience. It might seem like a small change if you aren’t familiar with adjusting sprockets and gear ratios, but experienced riders know the right gearing can make or break a rider’s experience during a race.
Understanding the Basics of Gear Changes
Without a precise dirt bike gearing chart and a lot of experience, it’s hard to state definitively what your stock performance changes will be when changing gears. On the other hand, motorcycle gearing is consistent enough that the proportional changes and direction of change are easy to predict. What does that mean? It means that understanding how gearing changes work is easier than predicting exactly what an adjustment will feel like before you ride it. Follow these simple guidelines to get started, and then feel things out to find the optimum gearing for your bike.
- Step down the front sprocket for torque and acceleration power
- Step up the tooth count on the front sprocket for better top-end speed but decreased acceleration
- A change of one tooth in the front is as powerful as a change of three in the rear
- Combine changes in the front and rear to create changes with effects of different strength
- A single tooth increase or decrease in front is a moderate change
- For minor changes, combine an increase in front and decrease in back or vice versa
- For drastic changes, consider two teeth added or subtracted in front, or one in front and two in back in the same direction
Finding the exact gearing for your needs is an art and not a science, and it also depends on the track conditions and event style. You’ll need a different layout for tight tracks with a lot of cornering and fine work than you will for loose sand, open, desert environments. Mixed terrain will do okay with the stock setup, but your style as a rider can also make customizing it well worth your time.
How To Get Better Torque and Acceleration
As has already been noted, changing up your gearing can make a huge difference when it comes to unlocking your bike’s potential and your potential as a rider. At the same time, though, it’s not the only key to success. On top of decreasing the front gearing or increasing the rear to get better torque, you can also upgrade to performance parts that are a tier or two above your current layout. High-performance parts exceed the original manufacturer specifications for the bike, increasing longevity or the bike’s maximum force production and control over it. Dirt bike gear sprocket ratios can also be adjusted more precisely with a range of high-performance parts on hand to prepare for any given track situation.
The key is remembering to test and to make adjustments gradually as you go. Every dirt bike behaves differently, and your other parts upgrades will affect the performance of your new gearing in ways that might be unpredictable until you’ve developed a deeper understanding of your bike’s particular quirks.
Using a Dirt Bike Sprocket Calculator
If you are using an app or formula to calculate the exact force changes so you can predict the behavior of your gearing changes more accurately, you’re going to need a few measurements and a lot of riding time, because translating those force numbers into the visceral feel of the bike in motion just isn’t possible without it. That being said, understanding the math and science behind your ride will only make you better, so study up.
Like most engineering calculations, using a little assistance will only help you do more faster, so don’t be afraid to skip the pen and pencil and find a place to plug numbers and get results. That being said, you’ll need to know the size of the front and rear sprockets you’re currently using, as well as the number of links in your bike’s chain. With that information, a calculator will be able to give you the percentage of change you will see to the torque and speed, and that percentage will be inversely proportional. That means you can’t get torque without giving top-end speed and vice versa. As with any changes to your bike, the effects on your performance depend on your ride style and the track conditions, so learning when to gear up or down is key to your success if you’re a competitor.
Finding Your New Performance Parts
If you guessed that changing up the length of your chain can also affect your gearing performance, you’re right, but your bike might not have that option, or the range of link counts that fit might be very specific. You’ll need to consult your handbook for the machine to understand what you can and can’t do with your chain as you modify the gearing. You’ll also need to remember that the chain and sprockets are built to wear, so you will have to replace them regularly to get the most out of your machine.
Whether you’re looking for your next performance upgrade or you just want to increase your options by keeping a few sprocket sizes on hand to fine-tune your performance at each new track, you’ll need to find the best motorcycle sprockets for sale at the best prices. When you shop online and take advantage of the selection at the biggest curated collection of motorcycle parts on the web, you also get the opportunity to check out closeouts, compare reviews across brands, and take advantage of special discounts for military personnel and veterans. Get started today and find your perfect performance parts before your next event.