{"product_id":"driven-racing-420-front-sprocket-for-honda-grom-and-monkey-125-169-539","title":"Driven Racing 420 Front Sprocket - Honda Grom \/ Monkey 125","description":"\u003cp\u003eDriven 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.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDriven Honda Grom \/ Monkey 125 front sprockets for 420 chain is available in 15 tooth, which is the stock front sprocket size on the Honda Grom.  \u003cbr\u003e\u003cbr\u003eA few rules regarding gear ratios for sprockets are as follows:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDrop teeth on front\/add teeth to rear = increased torque, increased acceleration, wheelies, racetracks with short straights\u003c\/li\u003e\n\u003cli\u003eAdd tooth on front\/reduce teeth on rear = increased top end speed, open road cruising, lowers RPMs, better gas mileage, tracks with long straights\u003c\/li\u003e\n\u003cli\u003e1 down on the front is like adding 3 teeth on the rear\u003c\/li\u003e\n\u003cli\u003eThe bigger the rear sprocket, the lower the gearing and the faster the acceleration\u003c\/li\u003e\n\u003cli\u003eAvailable in 15 Tooth\u003c\/li\u003e\n\u003cli\u003eCase Hardened\u003c\/li\u003e\n\u003cli\u003eFits #420 Chain\u003c\/li\u003e\n\u003cli\u003eInner Diameter (peak to peak): 14mm\u003c\/li\u003e\n\u003cli\u003eInner Diameter (valley to valley): 17mm\u003c\/li\u003e\n\u003cli\u003eThread Size: M6x1.00\u003c\/li\u003e\n\u003cli\u003eMade in USA!\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHonda Grom 125\u003c\/p\u003e","brand":"Driven Racing USA","offers":[{"title":"Default Title","offer_id":49985969029400,"sku":"169-539","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/667470.jpg?v=1744827024","url":"https:\/\/www.scooterworks.com\/products\/driven-racing-420-front-sprocket-for-honda-grom-and-monkey-125-169-539","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}