{"product_id":"dangerboy-aluminium-cogs-14-19-copy","title":"Dangerboy Decimal Offset Reversible Cog – Shimano Compatible","description":"\u003cp class=\"p1\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eDangerboy Decimal Offset Cog\u003c\/b\u003e\u003c\/span\u003e is CNC-machined from high-grade \u003cspan class=\"s1\"\u003e\u003cb\u003e7075-T6 aluminum\u003c\/b\u003e\u003c\/span\u003e, delivering precision, strength, and lightweight performance for elite BMX racers.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eIts \u003cspan class=\"s1\"\u003e\u003cb\u003ereversible offset design\u003c\/b\u003e\u003c\/span\u003e includes an integrated 5.0 mm spacer, allowing installation on either side to fine-tune chain alignment and reduce the need for additional spacers. Available in decimal tooth sizes for micro-adjusted gear ratios.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e \u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Material: 7075-T6 Aluminum\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Process: CNC-Machined\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Design: Offset Reversible with Built-in Spacer\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Thickness: 5.0 mm\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Chain Type: Full Link x 3\/32”\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Driver Compatibility: Shimano Driver\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Sizes: 15.3T, 15.8T, 16.3T, 16.8T, 17.3T, 17.8T, 18.3T, 18.8T\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Colors: Black, Blue, Gold, Red, Purple, Silver\u003c\/p\u003e\n\u003cp class=\"p4\"\u003e\u003cb\u003eHighlights:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Precision CNC construction for perfect chain engagement\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Reversible offset for optimized drivetrain alignment\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Lightweight and durable 7075-T6 aluminum body\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Fine decimal sizing for exact gear ratio tuning\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Signature DB engineering and anodized finish options\u003c\/p\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003e \u003c\/p\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003eThe way to calculate a decimal cog is to interpolate between two whole cog sizes.\u003c\/p\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003eFor example, with a \u003cspan\u003e\u003cb data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003e44 \/ 16 gear ratio\u003c\/b\u003e\u003c\/span\u003e, if you’re considering a \u003cspan\u003e\u003cb data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003e16.3 cog\u003c\/b\u003e\u003c\/span\u003e, you:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003eTake the rollout difference between a \u003cspan\u003e\u003cb data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003e16T and 17T cog\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003eThen subtract \u003cspan\u003e\u003cb data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003e30% of that difference from the 16T rollout\u003c\/b\u003e\u003c\/span\u003e (since 16.3 is 30% of the way to 17)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-removefontsize=\"true\" data-originalcomputedfontsize=\"16\"\u003eThis gives you an accurate estimate of the effective rollout for a 16.3 cog.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Dangerboy","offers":[{"title":"15.3 \/ Black","offer_id":49907285033241,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Blue","offer_id":49907285066009,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Gold","offer_id":49907285098777,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Purple","offer_id":49907285131545,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Red","offer_id":49907285164313,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Silver","offer_id":49907285197081,"sku":null,"price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ 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