{"product_id":"driven-racing-420-front-sprocket-honda-grom-monkey-125","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. Driven 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. 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 15 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! Honda Grom 125\u003c\/p\u003e","brand":"driven racing usa","offers":[{"title":"Default Title","offer_id":48045350027451,"sku":"169-539","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/667470.jpg?v=1783057845","url":"https:\/\/thriftyscooters.com\/products\/driven-racing-420-front-sprocket-honda-grom-monkey-125","provider":"Thrifty Scooters","version":"1.0","type":"link"}