{"title":"RC Crawler Transmissions","description":"\u003cp\u003eBrowse Rock Pirates RC transmissions for RC rock crawlers. Every part is CNC-machined in the USA and engineered to fit the most popular comp and trail rigs.\u003c\/p\u003e","products":[{"product_id":"delux-fab-portal-transmission","title":"DLUX FAB UL PORTAL TRANSMISSION","description":"\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eThe Perfect Transmission for Portal Axle Builds using the Rock Pirates RC Kraken Flat Skid! \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\u003cstrong\u003eFREE SHIPPING! \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"productDescription\" class=\"product-details__product-description\" itemprop=\"description\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTHE LIGHTEST TRANSMISSION ON THE MARKET! \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOnly 29.5g\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTiny Transmission for portal axles (gearing is not sufficient for non-portal axles).\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eForward facing motor with optional left or right side motor placement.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHardened chromoly gears.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTitanium 5mm output shaft.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDimensions: 52mm W x 34mm H x 21mm L (not counting output shaft)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eMotor bolt holes 25mm on center. Skid plate mounting holes 28mm on center (M3 threaded holes).\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGear ratio 3:1 X pinon\/spur combo. 36T spur gear (48 pitch).\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFits pinions from 11T to 18T (48 Pitch)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGear ratio:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e9T pinion: 12\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e10T pinion: 10.8\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e11T pinon: 9.8\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e12T pinion: 9.0\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e13T pinion: 8.3\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e14T pinion: 7.7\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e15T pinon: 7.2\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e16T pinion: 6.75\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e17T pinion: 6.35\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e18T pinion: 6.0\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChart above shows possible ratios using stock Axial portal and AR44 straight axle gears\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSpacer Plate Included \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e****Fabrication required**** This is not a direct fit for any chassis except our Capra based Sporty. Often you can just drill and countersink two mounting holes, other times you can fabricate a simple mounting adapter plate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rock Pirates","offers":[{"title":"Right Side Motor","offer_id":43551008161947,"sku":null,"price":154.99,"currency_code":"USD","in_stock":false},{"title":"Left Side Motor","offer_id":43551327617179,"sku":"","price":154.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/IMG_0332jpg.jpg?v=1692750260"},{"product_id":"delux-fab-portal-transmission-1","title":"DLUX FAB PORTAL TRANSMISSION","description":"\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eA Perfect Transmission for Portal Axle Builds using the Rock Pirates RC Kraken or Interceptor Blank Flat Skid! \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\u003cstrong\u003eFREE SHIPPING! \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details__product-description\" id=\"productDescription\" itemprop=\"description\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003eTiny Transmission for portal axles (gearing is not sufficient for non-portal axles).\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis is the transmission from our Capra axle based Asylum Sporty.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eForward facing motor for right side motor placement.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFully enclosed.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHardened chromoly gears.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTitanium 5mm output shaft.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDimensions: 52mm W x 34mm H x 21mm L (not counting output shaft)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWeight: 36.5g\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eMotor bolt holes 25mm on center. Skid plate mounting holes 28mm on center (M3 threaded holes).\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGear ratio 3:1 X pinon\/spur combo. 36T spur gear (48 pitch).\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFits pinions from 11T to 18T (48 Pitch)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGear ratio:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e11T pinon: 9.8\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e12T pinion: 9.0\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e13T pinion: 8.3\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e14T pinion: 7.7\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e15T pinon: 7.2\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e16T pinion: 6.75\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e17T pinion: 6.35\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e18T pinion: 6.0\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChart above shows possible ratios using stock Axial portal and AR44 straight axle gears\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e****Fabrication required**** This is not a direct fit for any chassis except our Capra based Sporty. Often you can just drill and countersink two mounting holes, other times you can fabricate a simple mounting adapter plate.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rock Pirates","offers":[{"title":"Right Side Motor","offer_id":43589230919835,"sku":null,"price":134.99,"currency_code":"USD","in_stock":false},{"title":"Left Side Motor","offer_id":43589230952603,"sku":null,"price":134.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/IMG_0805jpg.jpg?v=1695070977"},{"product_id":"reefs-xpt3-lcg-transmission","title":"REEFS XPT3 LCG Transmission Silver","description":"\u003cdiv class=\"product__description rte quick-add-hidden\"\u003e\n\u003cp\u003e\u003cstrong\u003eA Perfect Transmission for the Rock Pirates RC Rum Runner and builds using the Kraken, or Capra Interceptor Blank Skids! \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREE SHIPING!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe NEW XPT3 LCG Transmission from REEFS! Designed to provide the best performance and durability possible. Details:\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eMachined Aluminum case,\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eHardened Steel Gears, Titanium output shafts, forward motor mounting, and 48 pitch gears.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eEasy to set gear mesh with a cover to help keep the elements out.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eWeight: 75g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003ePinion size 11t-20t 48p\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eTrans ratio 6.75:1-12.27:1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eFDR straight axle 25.31:1-46.02:1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eFDR Axial portal axles 48.52:1-88.21:1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eFDR Vanquish F10 portal axles 35.44:1-64.43:1\u003cbr\u003e*FDR = Final Drive Ratio\u003cbr\u003e\u003c\/span\u003e\u003cspan class=\"x_ui-provider\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003eRecommended: 11t pinion for straight axles, and 14t pinion for portal axles. May vary based on rig.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"x_MsoNormal\"\u003e\u003cspan class=\"x_ui-provider\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0580\/6319\/2111\/files\/image_1.png?v=1723675319\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0580\/6319\/2111\/files\/image_1.png?v=1723675319\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Rock Pirates","offers":[{"title":"Silver","offer_id":45853120168091,"sku":"","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":45853120200859,"sku":"","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/raw_trans3.webp?v=1727329216"},{"product_id":"dlux-fab-nod-2-r-transmission","title":"DLUX FAB NOD-2 (R) TRANSMISSION","description":"\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eA Perfect Transmission for the Rock Pirates RC Rum Runner and builds using the Kraken, or Capra Interceptor Blank Skids! \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\u003cstrong\u003eFREE SHIPPING! \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"product-details-module__content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"productDescription\" class=\"product-details__product-description\" itemprop=\"description\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp\u003eNOD-2 (Non Over-Drive) Transmission:\u003c\/p\u003e\n\u003cp\u003eThis is a universal fit transmission geared for straight axles. We also like to use it in our Rum Runners with F-10 and F-9 Portal axles.\u003c\/p\u003e\n\u003cp\u003eTypical use would also be Scaler and Sportsman class vehicles.\u003c\/p\u003e\n\u003cp\u003eUltra lightweight: 42G (1.4oz)\u003c\/p\u003e\n\u003cp\u003eUltra compact.\u003c\/p\u003e\n\u003cp\u003eDimensions: 58mm W x 34mm H x 19mm L (not including output shaft)\u003c\/p\u003e\n\u003cp\u003eUltra low center of gravity (LCG). The motor sits as low as possible with a stubby type motor. Full size 540 motors require the included spacer under the transmission, meaning they get the ultimate in LCG too.\u003c\/p\u003e\n\u003cp\u003eHeat treated alloy steel gears and output shaft.\u003c\/p\u003e\n\u003cp\u003e5mm outputs.\u003c\/p\u003e\n\u003cp\u003eFully Enclosed.\u003c\/p\u003e\n\u003cp\u003eEasy 2 hole mounting with extra room for long screws without hitting the gears.\u003c\/p\u003e\n\u003cp\u003eUses 48 pitch pinion gears from 11 to 18 tooth.\u003c\/p\u003e\n\u003cp\u003eLow gear ratio: 4:1 plus a 44T spur gear.\u003c\/p\u003e\n\u003cp\u003e11T pinion = 16:1 transmission ratio, or 60:1 final (AR44), or 54:1 final (AR44 w\/OD gears), or 46.8:1 (AR60)\u003c\/p\u003e\n\u003cp\u003e14T pinion = 12.6:1 transmission ratio, or 47.1:1 final (AR44), or 42.4:1 final (AR44 w\/OD gears), or 36.7:1 (AR60)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e18T pinion = 9.8 trans ratio, or 36.7:1 (AR44), or 33:1 (AR44 w\/OD gears), or 28.6:1 (AR60)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhat is a good pinion to start with? A 14T (48P) pinion is a good starting point for typical non-portal crawlers, then adjust to your personal preference, and your specific setup. If you are running a fast motor or heavy rig, maybe 13T. If you are running a very light rig or slow motor, or want more speed maybe 15 or 16T. Portal rigs perhaps an 18 tooth starting point (49.1:1 final drive in a Capra with 20\/15 overdrive gears).\u003c\/p\u003e\n\u003cp\u003eChart above shows possible ratios using stock Axial portal and AR44 straight Axial.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rock Pirates","offers":[{"title":"Right Side Motor","offer_id":45636392943771,"sku":null,"price":134.99,"currency_code":"USD","in_stock":false},{"title":"Left Side Motor","offer_id":45636392976539,"sku":null,"price":134.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/IMG_4767.jpg?v=1728927945"},{"product_id":"dlux-fab-ultra-light-nod-2-r-transmission-copy","title":"DLUX FAB ULTRA LIGHT NOD-2 (R) TRANSMISSION","description":"\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eA Perfect Transmission for the Rock Pirates RC Rum Runner and builds using the Kraken, or Capra Interceptor Blank Skids! \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\u003cstrong\u003eFREE SHIPPING! \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cdiv class=\"product-details-module__title ec-header-h6\"\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-details-module__content\"\u003e\n\u003cdiv class=\"product-details__product-description\" id=\"productDescription\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eNOD-2 (Non Over-Drive) Transmission:\u003c\/p\u003e\n\u003cp\u003eThis is a universal fit transmission geared for straight axles. We also like to use it in our Rum Runners with Vanquish F-9 and F-10 Axles.\u003c\/p\u003e\n\u003cp\u003eOnly 33.5g.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a universal fit transmission geared for straight axles. Typical use would be Scaler and Sportsman class vehicles.\u003c\/p\u003e\n\u003cp\u003eUltra compact.\u003c\/p\u003e\n\u003cp\u003eDimensions: 58mm W x 34mm H x 19mm L (not including output shaft)\u003c\/p\u003e\n\u003cp\u003eUltra low center of gravity (LCG). The motor sits as low as possible with a stubby type motor. Full size 540 motors require the included spacer under the transmission, meaning they get the ultimate in LCG too.\u003c\/p\u003e\n\u003cp\u003eHeat treated alloy steel gears and output shaft.\u003c\/p\u003e\n\u003cp\u003e5mm outputs.\u003c\/p\u003e\n\u003cp\u003eEasy 2 hole mounting with extra room for long screws without hitting the gears.\u003c\/p\u003e\n\u003cp\u003eUses 48 pitch pinion gears from 11 to 18 tooth.\u003c\/p\u003e\n\u003cp\u003eLow gear ratio: 4:1 plus a 44T spur gear.\u003c\/p\u003e\n\u003cp\u003e11T pinion = 16:1 transmission ratio, or 60:1 final (AR44), or 54:1 final (AR44 w\/OD gears), or 46.8:1 (AR60)\u003c\/p\u003e\n\u003cp\u003e14T pinion = 12.6:1 transmission ratio, or 47.1:1 final (AR44), or 42.4:1 final (AR44 w\/OD gears), or 36.7:1 (AR60)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e18T pinion = 9.8 trans ratio, or 36.7:1 (AR44), or 33:1 (AR44 w\/OD gears), or 28.6:1 (AR60)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhat is a good pinion to start with? A 14T (48P) pinion is a good starting point for typical non-portal crawlers, then adjust to your personal preference, and your specific setup. If you are running a fast motor or heavy rig, maybe 13T. If you are running a very light rig or slow motor, or want more speed maybe 15 or 16T. Portal rigs perhaps an 18 tooth starting point (49.1:1 final drive in a Capra with 20\/15 overdrive gears).\u003c\/p\u003e\n\u003cp\u003eChart above shows possible ratios using stock Axial portal and AR44 straight axle gears\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rock Pirates","offers":[{"title":"Right Side Motor","offer_id":45989615141019,"sku":"","price":144.99,"currency_code":"USD","in_stock":false},{"title":"Left Side Motor","offer_id":45989615173787,"sku":null,"price":144.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/3784674633.jpg?v=1737336540"},{"product_id":"transmission-locating-tool","title":"Transmission Locating Tool","description":"\u003cp\u003e\u003cstrong\u003eRock Pirates RC Transmission Locating Tool Set For Blank Skids.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eNo More Destroying Delrin Blank Skids! Rock Pirates RC invented a super easy, inexpensive tool that makes installing your transmission on a blank skid a breeze!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e4 Collared Stainless Steel M3 Locating Pins. \u003c\/p\u003e\n\u003cp\u003e1 Drill Bit 1\/8\" \u003c\/p\u003e\n\u003cp\u003e1 Counter Sink Tool\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Instructions, Read Before You Start\u003cspan style=\"font-size: 0.875rem;\"\u003e:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAssemble your chassis first, including installation of your links. \u003c\/p\u003e\n\u003cp\u003eInstall your motor to your transmission.\u003c\/p\u003e\n\u003cp\u003eInstall the RPRC locating pins in each transmission mounting hole. Screw them in until the collar of the pin is flush to the bottom of the transmission, DO NOT TIGHTEN. \u003c\/p\u003e\n\u003cp\u003eHold the transmission assembly over the blank skid and find the best location for it. Make sure your location doesn't interfere with your upper link screws\/nuts and that the transmission mounting holes DO NOT interfere with the lower link mounting screws in the Blank Skid. Take your time and think everything through.\u003c\/p\u003e\n\u003cp\u003eOnce the transmission location has been identified, set the transmission on the blank skid and press down very firmly until the locating pins leave divots in the Delrin Skid. \u003c\/p\u003e\n\u003cp\u003eUse the drill bit provided and with your fingers, center the drill bit into the divots. By using your fingers you should be able to feel if you are in the center of the divot. Turn the drill bit clockwise in the center of the divot until it cuts a small recess. This will keep the drill bit from walking when you start drilling. \u003c\/p\u003e\n\u003cp\u003eInstall the drill bit in your drill and drill all the way through. \u003c\/p\u003e\n\u003cp\u003eInstall the provided Counter Sink Tool into your drill and counter sink the holes on the bottom side of the skid. GO SLOW and Take Your Time so you don't go to deep. Just go deep enough so that the top of the transmission mounting screws are flush with the bottom of the skid when tightened. \u003c\/p\u003e\n\u003cp\u003eRemove the locating pins and install your transmission.\u003c\/p\u003e\n\u003cp\u003eThere you go, Easy Peasy lol  \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMade in USA\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e* Popular with this item:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAny Rock Pirates RC Blank Skid. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHOW TO VIDEO BELOW:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/youtu.be\/-l4KENkHvqg\"\u003ehttps:\/\/youtu.be\/-l4KENkHvqg\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rock Pirates RC","offers":[{"title":"Default Title","offer_id":47916203737243,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/8083\/7531\/files\/IMG_1218.heic?v=1769484829"}],"url":"https:\/\/rockpiratesrc.com\/collections\/transmissions\/fit_universal.oembed","provider":"Rock Pirates","version":"1.0","type":"link"}