{"title":"Crowns\/Pine Nuts","description":"\u003cp data-start=\"420\" data-end=\"486\"\u003e \u003cstrong data-start=\"420\" data-end=\"486\"\u003eCrowns and pinions to optimize transmission in slot racing\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"488\" data-end=\"757\"\u003e The gear ratio between the crown gear and pinion is one of the most important adjustments in preparing a slot car. This combination determines the gearing, directly affecting acceleration, top speed, smoothness of operation, and the car's responsiveness on the track.\u003c\/p\u003e\n\n\u003cp data-start=\"759\" data-end=\"789\"\u003e \u003cstrong data-start=\"759\" data-end=\"789\"\u003eHow does development influence it?\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp data-start=\"791\" data-end=\"1031\"\u003eA short gear ratio (large sprocket or small pinion) provides greater acceleration and control, ideal for technical circuits. A long gear ratio (small sprocket or large pinion) favors top speed, recommended for fast tracks.\u003c\/p\u003e\n\n\u003cp data-start=\"1033\" data-end=\"1068\"\u003e \u003cstrong data-start=\"1033\" data-end=\"1068\"\u003ePrecision and mechanical efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"1070\" data-end=\"1278\"\u003e The quality of the gears is key to minimizing friction, vibration, and energy loss. A well-tuned transmission improves engine efficiency and the car's consistency lap after lap.\u003c\/p\u003e\n\n\u003cp data-start=\"1280\" data-end=\"1316\"\u003e \u003cstrong data-start=\"1280\" data-end=\"1316\"\u003eCompatibility and configurations\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"1318\" data-end=\"1537\"\u003e Different metrics, pitches, and configurations exist depending on the chassis and manufacturer. Choosing the correct crown and pinion combination allows you to adapt the car's behavior to each regulation and driving style.\u003c\/p\u003e\n\n\u003cp data-start=\"1539\" data-end=\"1650\"\u003e Explore our selection of crowns and pinions for slot racing and find the perfect ratio for your setup.\u003c\/p\u003e","products":[{"product_id":"pinon-8d-m50-polyamide-4-unidades","title":"8-tooth pinion, M50, Polyamide (4 units)","description":"\u003cp\u003e\u003cspan\u003e8d pinion. d.5.4mm Polyamide (4 units)\u003c\/span\u003e\u003c\/p\u003e","brand":"Scaleauto","offers":[{"title":"Default Title","offer_id":53649016750426,"sku":"SC-1008","price":2.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/SC-1008pinon_9ac3cab1-715d-43ff-be7c-e806b7eb5631.jpg?v=1771630240"},{"product_id":"pinon-9d-m50-polyamide-4-unidades","title":"9-tooth pinion, M50, Polyamide (4 units)","description":"\u003cp\u003e\u003cspan\u003e9-tooth pinion, 5.8mm diameter, Polyamide (4 units)\u003c\/span\u003e\u003c\/p\u003e","brand":"Scaleauto","offers":[{"title":"Default Title","offer_id":53649024614746,"sku":"SC-1009","price":2.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/SC-1009pinon.jpg?v=1771630210"},{"product_id":"corona-31d-anglewinder-procomp-rs-m50-25º-para-eje-2-38mm-o17mm-tornillo-m2-5","title":"Crown 31d. 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Fixed using M2 allen screw.\u003c\/span\u003e\u003c\/p\u003e","brand":"Slot.it","offers":[{"title":"Default Title","offer_id":53649071145306,"sku":"SI-GI27BZ","price":7.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/SI-GI27BZcorona.jpg?v=1771631784"},{"product_id":"pinon-nylon-9-dientes-jj-slot-racing-x4","title":"JJ Slot Racing 8-tooth nylon pinion (x4)","description":"\u003cp\u003eJJ Slot Racing 8-tooth nylon pinion (x4)\u003c\/p\u003e","brand":"JJ Slot Racing","offers":[{"title":"Default Title","offer_id":53717445968218,"sku":null,"price":2.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/PinonJJPn08.jpg?v=1772490895"},{"product_id":"corona-33d-anglewinder-16-8-mm","title":"Crown Z33 Anglewinder d. 16.8mm","description":"\u003cp\u003e Anglewinder Z33 crown, 16.8mm diameter, designed for use in NSR cradle.\u003c\/p\u003e\n\n\u003cp\u003e Made of aluminum with fastening by means of M2.5 Allen stud (1.3 wrench) screws that take longer to strip than M2 (0.9 wrench).\u003c\/p\u003e\n\n\u003cp\u003e NSR angled transmissions with this sprocket require 7.5 mm diameter sprockets (in NSR these are the references NSR-711X)\u003c\/p\u003e\n\n\u003cp\u003e When choosing the sprocket we want, we must always keep in mind that if we increase the number of teeth, the car will have greater acceleration and lower top speed; if what we are looking for is to gain top speed, we will need to decrease the number of teeth.\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729412186458,"sku":"NSR6533","price":5.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6533corona33.jpg?v=1772581308"},{"product_id":"corona-z34-anglewinder-d-16-8-mm","title":"Crown Z34 Anglewinder d. 17.5 mm","description":"\u003cp\u003eZ34 Anglewinder Crown with 17.5mm diameter, designed for use in NSR cradles.\u003c\/p\u003e\n\u003cp\u003eMade of aluminum with M2.5 Allen grub screw fastening (1.3mm wrench) – these screws are less prone to stripping than M2 screws (0.9mm wrench).\u003c\/p\u003e\n\u003cp\u003eNSR angle drives with this crown require pinions with a diameter of 7.5 mm (NSR references NSR-711X).\u003c\/p\u003e\n\u003cp\u003eWhen choosing the right crown, we must always consider that if we increase the number of teeth, the car will have greater acceleration and lower top speed; if we are looking to gain top speed, we will need to decrease the number of teeth.\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729417003354,"sku":"NSR6234","price":5.89,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6534corona34.jpg?v=1772581577"},{"product_id":"corona-z31-anglewinder-d-17-5mm","title":"Crown Z31 Anglewinder d. 17.5mm","description":"\u003cp\u003e Anglewinder Z31 crown diameter 17.5mm \u003cspan\u003efor Ninco\u003c\/span\u003e\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729417462106,"sku":"NSR6231","price":5.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6231corona31.jpg?v=1772581737"},{"product_id":"corona-z32-anglewinder-d-17-5mm","title":"Crown Z32 Anglewinder d. 17.5mm","description":"\u003cp\u003e Anglewinder Z32 crown diameter 17.5mm \u003cspan\u003efor Ninco\u003c\/span\u003e\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729418117466,"sku":"NSR6232","price":5.89,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6232corona312.jpg?v=1772581839"},{"product_id":"corona-z33-anglewinder-d-16-8-mm-copia","title":"Crown Z31 Anglewinder d. 16.8mm","description":"\u003cp\u003e Anglewinder Z31 crown, 16.8mm diameter, designed for use in NSR cradle.\u003c\/p\u003e\n\n \u003cp\u003eMade of aluminum with fastening by means of M2.5 Allen stud (1.3 wrench) screws that take longer to strip than M2 (0.9 wrench).\u003c\/p\u003e\n\n\u003cp\u003e NSR angled transmissions with this sprocket require 7.5 mm diameter sprockets (in NSR these are the references NSR-711X)\u003c\/p\u003e\n\n\u003cp\u003e When choosing the sprocket we want, we must always keep in mind that if we increase the number of teeth, the car will have greater acceleration and lower top speed; if what we are looking for is to gain top speed, we will need to decrease the number of teeth.\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729422541146,"sku":"NSR6531","price":6.05,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6531corona31.jpg?v=1772582088"},{"product_id":"corona-z31-anglewinder-d-16-8-mm-copia","title":"Crown Z32 Anglewinder d. 16.8mm","description":"\u003cp\u003e Anglewinder Z32 crown, 16.8mm diameter, designed for use in NSR cradle.\u003c\/p\u003e\n\n\u003cp\u003e Made of aluminum with fastening by means of M2.5 Allen stud (1.3 wrench) screws that take longer to strip than M2 (0.9 wrench).\u003c\/p\u003e\n\n\u003cp\u003e NSR angled transmissions with this sprocket require 7.5 mm diameter sprockets (in NSR these are the references NSR-711X)\u003c\/p\u003e\n\n \u003cp\u003eWhen choosing the sprocket we want, we must always keep in mind that if we increase the number of teeth, the car will have greater acceleration and lower top speed; if what we are looking for is to gain top speed, we will need to decrease the number of teeth.\u003c\/p\u003e","brand":"NSR","offers":[{"title":"Default Title","offer_id":53729433420122,"sku":"NSR6532","price":5.89,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9910\/0762\/files\/NSR6532corona32.jpg?v=1772582181"},{"product_id":"si-gi27al","title":"Corona 27d. inline motor -STEP 2-. 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