{"product_id":"protocol-rcg-4-copy","title":"Protocol RCG-4 (Contact Sales Rep to Order)","description":"\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cstrong\u003eContact Sales Rep To Order. Shipping Week of 9\/7\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eFor years, the cycling industry has treated gravel tires like oversized road tires, adding thick, heavy rubber casings with inefficient tread patterns as volume increased. This came at the expense of speed and ride quality. For SILCA’s entry into the tire market,\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ewe’re\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eflipping the paradigm on its head after discovering that, in fact, the best way to make a gravel tire is to start with an XC mountain bike variant and distill it down to essentials. And to, of course, sprinkle in a dose of clever features developed from our\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eexpertise\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ein\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eoptimizing\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ecycling performance at the highest levels. \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eOur widest tires use the thinnest casings and, throughout the lineup, increase thickness as tires get narrower. By shedding the bulk and weight of a thick rubber base and relying on high-volume,\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e120\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eTPI casings, our design approach delivers industry-leading rolling efficiency, enhanced traction, and lively ride feel without sacrificing structural integrity.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eThe SILCA engineering secret lies in how our tires behave at modern gravel pressures. Historically, the assumption was that wider tires needed heavy-duty carcasses to resist punctures. However, we found that high-volume tires using lower air pressures naturally protect the tire by spreading impact forces over a much larger surface area. \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eThink of it like the dangling ends of a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW256768455 BCX0\"\u003emop\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ehead: the loose, low-tension strands are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003enearly impossible\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eto cut with a blade. But they become much easier to slice when pulled tight. In terms of the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ecasing\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ethreads inside a tire casing, reduced tension allows us to use a thinner and faster-rolling compound\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ethat’s\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003emore resilient to flats due to the inherent deflection afforded by less air pressure.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eIn gravel riding scenarios, many traditional off-road tire designs fail the most in cornering maneuvers. Uniform lug heights force the entire casing to deform until the tread blocks pinch closed, flatten out, and lose their biting edges. On the contrary, our variable-height tread architecture features outer blocks that are taller than the center knobs. This layout recruits\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eadditional\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ecornering traction much sooner and at lower lean angles, keeping the active biting edges in contact with the dirt to minimize casing deformation. The fore and aft asymmetric tread patterns feature independent traction edges tuned separately for braking and acceleration,\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eutilizing\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003edirectional center tracks to limit rolling resistance and forty-degree outer knobs to deliver maximum purchase through corners.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eOur tires are also\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eoptimized\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003efor modern wheel standards, ensuring they measure perfectly true-to-size on wide rims within twenty-four hours of inflation. For each size within every model,\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ewe’ll\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ealways\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eindicate\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ethe rim spec it was measured on. \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eAnd our Carbon BeadLock technology ensures SILCA tires\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003emaintain\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eshape for life, regardless of how long they\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eare installed on a rim\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eMaterial limitations have long plagued folding tires, as traditional Kevlar\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ebeads in\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eherently absorb environmental moisture over time, causing\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ewhat’s\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003eknown as “\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ecr\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eee\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003ep\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e”\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eSymptoms of creep include shrinkage as they age, development of lumps near the bead area, and, in severe cases, the dreaded side-to-side tire wobble when installed on a rim.\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eWe\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e’ve\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003esolved this structural challenge by swapping Kevlar for carbon fiber. By doing so, SILCA tires have zero material stretch and moisture retention, ensuring the tire\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003emaintains\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003e\u003cspan\u003e \u003c\/span\u003ea perfect interface with the rim throughout its lifespan. \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP SCXW256768455 BCX0\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW256768455 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW256768455 BCX0\"\u003e\u003cspan lang=\"EN-US\" class=\"TextRun SCXW256768455 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW256768455 BCX0\"\u003eTo guarantee tubeless performance, the casing is treated with a proprietary, latex-friendly mold release agent that actively bonds with sealant for better puncture sealing, rather than repelling it like can happen with standard manufacturing chemicals.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SILCA","offers":[{"title":"700 x 45mm","offer_id":64438489874801,"sku":"0","price":76.15,"currency_code":"GBP","in_stock":false},{"title":"700 x 50mm","offer_id":64438489907569,"sku":"9","price":76.15,"currency_code":"GBP","in_stock":false},{"title":"700 x 55mm","offer_id":64438489940337,"sku":"8","price":76.15,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/4338\/3870\/files\/RCG-4-Side-preview_1.webp?v=1787231228","url":"https:\/\/silcadealer.cc\/products\/protocol-rcg-4-copy","provider":"SILCAB2B","version":"1.0","type":"link"}