Because of increase in number of teeth of rear sprocket, the overall diameter of the rear sprocket has increased. As the chain fits on edge of the sprockets, the length from the center of rear sprocket center of rear wheel axle to the edge of rear sprocket would increase how much the increase is depends on increase in number of teeth.
Because of increase in length, the leverage that it would get would increase proportionately. You must have seen truck drivers using long levers to remove bolts from wheels of their trucks. To increase the torque they can apply. The same principle applies here.
Second impact of this mod — As the rear sprocket is mounted on the wheel, this means that the rear wheel is also making 0. It also means that the top speed in each gear will reduce. A higher rpm would mean more amount of fuel is being consumed to maintain the same speed. This would lead to a decrease in fuel efficiency. A higher rpm also means closer to the power band during daily commutes low rpm riding which makes us feel like we have improved the low-end torque.
By altering the gearing ratio, we have just increased the torque that is being put down by the rear wheel. Figure that you see is the approximate percentage of change. If this is too simple for you, here is a bit more detailed calculation. Example 1: The Yamaha R15V3 is an excellent performer but a bit anaemic in lower rpm.
If some rider wishes to improve low end acceleration, he can put in a rear sprocket of 50 teeth stock is 48 teeth. Just by modifying the rear sprocket, he will gain approximately 4. If some rider wishes to increase the top speed capability, he can put in a rear sprocket of 40 teeth stock is 42 teeth. Note : In spite of claims by guys making sprockets, no sprocket can improve both acceleration and top speed at the same time.
It is usually recommended to tweak the rear sprocket rather than front sprocket. There are two reasons for this:. Sprockets are typically made from steel or aluminum. Steel sprockets are generally less expensive, and better for longevity.
The best steel sprockets use hardened and heat-treated steel. Sprockets made of aluminum are significantly lighter, but have a shorter life span, and are more expensive than steel. Let's have a look at few of the products we offer:. Be the first to learn about our latest trends and get exclusive offers. New customer? On the checkout page, you will find the estimated delivery time for the entire order.
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This also includes edible items and gift cards. D has been manufacturing high quality chains for motorcycle, mx and enduro for over 50 years. D chains are known for their extremely good properties in terms of both durability and low friction and they are used by many factory teams worldwide..
Show all products from D. D Standard Chain and Sprocket Kit. JT and D. Estimated delivery date:. Price ranges for shipping x. Continue View Basket. Here is a selection of products related to your basket:. Magnetic Oil Drain Plug M22x1. Steel Rear Sprocket , heat treated for maximum durability and long life, specific for the listed motorcycles, teeth number as specified in the product title. Countershaft Sprocket , made from chromemoly steel for superior strength and durability, specific for the listed motorcycles, teeth number as specified in the product title.
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