{"product_id":"universal-parts-11-tooth-electric-motor-sprocket-2-flat-sides-mount-127-7","title":"Universal Parts 11-Tooth Electric Motor Sprocket - #25 Chain","description":"\u003cp\u003eGet your electric scooter or mini-chopper back in motion with the \u003cstrong\u003eUniversal Parts 11-Tooth Front Motor Sprocket\u003c\/strong\u003e. Designed for MY1016\/MY1020-style small electric motors, this sprocket features a \"Double-D\" bore with two flat sides for a non-slip, keyed fit on the motor shaft. Precision-cut teeth ensure smooth #25 chain engagement and quiet, reliable power transfer.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-D Bore:\u003c\/strong\u003e Two flat sides (8.6mm apart) lock onto the motor shaft, preventing free-spinning under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-Tooth Torque Profile:\u003c\/strong\u003e Ideal balance of low-end take-off torque and consistent top speed for small electric vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e#25 \/ #25H Chain Compatible:\u003c\/strong\u003e Fits the most common drive chain size used in electric powersports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Treated Steel:\u003c\/strong\u003e Resists tooth hooking and wear even with frequent stop-and-go use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth Count:\u003c\/strong\u003e 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 25.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (flat to flat):\u003c\/strong\u003e 8.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (round to round):\u003c\/strong\u003e 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain Size:\u003c\/strong\u003e #25 \/ #25H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 127-7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eUniversal fit for 24V, 36V, and 48V electric motors (200W–500W) with Double-D shafts:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eVehicle Type\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRazor Scooters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE300, Pocket Mod, Ground Force Go-Kart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRazor Dirt Bikes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMX350, MX400 (verify shaft shape)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectric Mini-Choppers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGeneric 250W–350W Boreem-style choppers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMY1016, MY1018, MY1020 (8.6mm flat shafts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eBefore ordering, verify your motor shaft shape. Razor and other manufacturers sometimes switch between Double-D (two flat sides) and round keyway shafts. This sprocket fits \u003cstrong\u003eDouble-D shafts only\u003c\/strong\u003e.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eAbout Universal Parts\u003c\/h3\u003e\u003cp\u003eUniversal Parts is a leading supplier of OEM-compatible replacement components for electric scooters and powersports vehicles. Their parts are engineered to factory specifications for reliable performance and straightforward installation.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":49986009268504,"sku":"127-7","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/unnamed.jpg?v=1775322703","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-11-tooth-electric-motor-sprocket-2-flat-sides-mount-127-7","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}