{"product_id":"slot-it-sigmf60-modular-crown-lock-ring-6mm-pinion","title":"Slot.it SIGMF60 Modular Crown Lock Ring – 6mm Pinion","description":"\u003cp\u003e\u003cstrong\u003eSlot.it SIGMF60 lock-ring ferrule for M-series modular inline crown gears using 6.0 mm pinions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe modular Slot.it crown system separates the centering\/locking hardware from the crown itself. SIGMF60 is the ferrule that lets the same modular crown work with a 6.0 mm pinion, while the free-running steel washers reduce rubbing between the motor shaft and crown assembly.\u003c\/p\u003e\n\u003ch3\u003eWhy use the 6 mm ferrule?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore setup flexibility:\u003c\/strong\u003e it lets an M-series crown be matched to a 6.0 mm pinion without replacing the crown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced friction:\u003c\/strong\u003e the modular washer arrangement minimizes direct sliding contact in the drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise axle location:\u003c\/strong\u003e the lock ring fixes the assembly securely on a standard 3\/32\" axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-serviceable design:\u003c\/strong\u003e changing between the 5.5 and 6 mm systems only requires the correct ferrule rather than a completely different crown system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePro assembly notes\u003c\/h3\u003e\n\u003cp\u003eUse the correct calibrated washers, apply only a light film of oil, and verify that the grub screw goes through the crown hub opening and actually bears on the axle. A free-spinning drivetrain with minimal side play is the goal—tight is not the same thing as properly adjusted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJim's setup note:\u003c\/strong\u003e The 6 mm ferrule is useful when your chosen pinion\/motor combination benefits from the larger pinion diameter. The modular crown lets you make that change without giving up the low-friction crown design.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Slot.it\u003c\/li\u003e\n\u003cli\u003ePart number: GMF60 \/ SIGMF60\u003c\/li\u003e\n\u003cli\u003eType: Modular crown lock-ring ferrule\u003c\/li\u003e\n\u003cli\u003ePinion diameter: 6.0 mm\u003c\/li\u003e\n\u003cli\u003eAxle: 3\/32\" \/ 2.38 mm\u003c\/li\u003e\n\u003cli\u003eFor: Slot.it GM-series modular inline crown gears\u003c\/li\u003e\n\u003cli\u003eScale: 1\/32\u003c\/li\u003e\n\u003cli\u003eCountry of origin: China\u003c\/li\u003e\n\u003cli\u003eHS code: 9503.00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Slot.it","offers":[{"title":"Default Title","offer_id":50729264644293,"sku":"SIGMF60","price":6.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/4937\/9525\/files\/slotit-sigmf60-product.png?v=1792282711","url":"https:\/\/omnislotbox.com\/products\/slot-it-sigmf60-modular-crown-lock-ring-6mm-pinion","provider":"OmniSlotBox at the Slotcar Clubhouse","version":"1.0","type":"link"}