Driven Racing 420 Front Sprocket for Honda Grom and Monkey 125

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Driven Racing EVO TECH 15 tooth front sprocket for Honda Grom and Monkey 125cc with 420 chain. This is a high quality, case hardened steel replacement sprocket.
Driven Honda Grom and Monkey 125 front sprockets for 420 chain is available in 15 tooth, which is the stock front sprocket size on the Honda Grom.
A few rules regarding gear ratios for sprockets are as follows:

Drop teeth on front/add teeth to rear = increased torque, increased acceleration, wheelies, racetracks with short straights

Add tooth on front/reduce teeth on rear = increased top end speed, open road cruising, lowers RPMs, better gas mileage, tracks with long straights

1 down on the front is like adding 3 teeth on the rear

The bigger the rear sprocket, the lower the gearing and the faster the acceleration

Available in 14 Tooth Case Hardened Fits #420 Chain Inner Diameter (peak to peak): 14mm Inner Diameter (valley to valley): 17mm Thread Size: M6x1.00 Made in USA! Fast order processing. Important Parts Notice:  
Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have common knowledge of installation or hire an experienced installer. We are not responsible for any damage that may be caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step by step instructions or technical support. In any case, we will always do our best to help you with any technical question you may have.  
Electrical parts are none returnable and buyer assumes all risks. Important Notes Address Change Request
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