{"product_id":"dangerboy-decimal-offset-reversible-cog-shimano-compatible","title":"Dangerboy Decimal Offset Reversible Cog","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":46765417791661,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Blue","offer_id":46765417824429,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Gold","offer_id":46765417857197,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Purple","offer_id":46765417889965,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Red","offer_id":46765417922733,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-RED","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.3 \/ Silver","offer_id":46765417955501,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.3-SILVER","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ Black","offer_id":46765417988269,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.8-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ Blue","offer_id":46765418021037,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.8-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ Gold","offer_id":46765418053805,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.8-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ Purple","offer_id":46765418086573,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-15.8-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"15.8 \/ 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Red","offer_id":46765418315949,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.3-RED","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.3 \/ Silver","offer_id":46765418348717,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.3-SILVER","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Black","offer_id":46765418381485,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Blue","offer_id":46765418414253,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Gold","offer_id":46765418447021,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Purple","offer_id":46765418479789,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Red","offer_id":46765418512557,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-RED","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"16.8 \/ Silver","offer_id":46765418545325,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-16.8-SILVER","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Black","offer_id":46765418578093,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Blue","offer_id":46765418610861,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Gold","offer_id":46765418643629,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Purple","offer_id":46765418676397,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Red","offer_id":46765418709165,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-RED","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.3 \/ Silver","offer_id":46765418741933,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.3-SILVER","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Black","offer_id":46765418774701,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Blue","offer_id":46765418807469,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Gold","offer_id":46765418840237,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Purple","offer_id":46765418873005,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Red","offer_id":46765418905773,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-RED","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"17.8 \/ Silver","offer_id":46765418938541,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-17.8-SILVER","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"18.3 \/ Black","offer_id":46765418971309,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-18.3-BLACK","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"18.3 \/ Blue","offer_id":46765419004077,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-18.3-BLUE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"18.3 \/ Gold","offer_id":46765419036845,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-18.3-GOLD","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"18.3 \/ Purple","offer_id":46765419069613,"sku":"DANGERBOY-ALUMINIUM-COGS-14-19-COPY-18.3-PURPLE","price":45.0,"currency_code":"CAD","in_stock":true},{"title":"18.3 \/ 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