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Sportbike Oversized Rear Stunt Sprocket Kit
Bigger Rear Sprocket Easier Wheelies.
A pro streetbike rider will increase his or hers rear stock sprocket by 20-22 teeth. Doing so will reduce the top end speed upwards of 40% plus. If your motorcycle is running a 520, 525, or 530 rear sprocket we can accommodate all of them. All our wheelie kits come with new front sprocket, rear sprocket and chain.
If you are a street stunter doing this for fun and do not want to lose so much top end speed as a pro stunt motorcycle rider does then just increase to 12-15 tooth size, you will only lose 25% plus depending on size of motor.
Pro Stock calculation example: So what the calculation of a pro rider rear sprocket increase is for example. Stock is 42+20=62. Now you will buy a 62 tooth wheelie sprocket.
Street Stunt Rider Calculation Example: So what the calculation of a pro rider rear sprocket increase is for example. Stock is 42+12=54. You will purchase a 54 tooth wheelie sprocket.
"Customers are always asking "what is the best size sprocket for wheelies"
The best overall ratio for doing stand ups is down 1 on front sprocket and 3 up on rear sprocket. It looks like this...(15 tooth front and 45 on rear). Sprocket manufactures say going down on the front sprocket one tooth is equal to 3 teeth on the back. ***But do know you will lose top end speed but gain torque in doing so. We don't recommend going more than 2-3 up on rear if you plan to ride daily. If you are using your motorcycle as a full on stunt bike you can go from 55-66 tooth on the rear and wheelie up from a stand still as the professionals do. Good Luck!
How to clutch wheelies
There are a couple different methods for clutching wheelies. We prefer the second method.
1: First accelerate with the clutch engaged. Then, with the throttle still opened, pull in the clutch with one finger, to the point where the clutch disengages. With the engine still under throttle, quickly let the clutch back out as the tach is rising.
2: Close the throttle, and then pull the clutch in all the way, with one finger. Then twist the throttle and dump the clutch. When learning to clutch, only rev up the engine a little bit at first before letting out the clutch. This will give you the feel for clutching. Then gradually increase the rpms before dumping the clutch, until the front end jumps up close to the balance point. Reduce the throttle as the front end comes up to the balance point. If it comes up too far, gently push the rear brake to bring the bike back forward. When clutching second and third gear wheelies, the bike may need extra help, depending on what bike it is. If clutching alone doesn't get the wheelie up, then bounce at the same time. This is done by pushing down on the bike (with your arms and legs) at the same time you open the throttle, and then leaning back slightly when dropping the clutch. It's not a good idea to pull on the bars. Pulling up on the bars may cause the wheelie to come up funny and wobble.