{"product_id":"404-chainsaw-rim-sprocket-8-tooth-standard-7-spline","title":".404\" Chainsaw Rim Sprocket 8 Tooth Standard 7 Spline – LN13313","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan\u003e.404\" Chainsaw Rim Sprocket 8 Tooth Standard 7 Spline – LN13313\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan\u003eDimensions: od=45\u003c\/span\u003e\u003cspan\u003emm, id=22.5\u003c\/span\u003e\u003cspan\u003emm, 9.25\u003c\/span\u003e\u003cspan\u003emm thick\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eProfessional quality \u003cstrong\u003e.404\" pitch 8-tooth chainsaw rim sprocket\u003c\/strong\u003e designed for chainsaws using a \u003cstrong\u003eStandard 7 Spline (SD7) clutch drum system\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured from tough, wear-resistant steel for excellent durability, smooth chain operation and reliable power transfer from the chainsaw engine to the saw chain.\u003c\/p\u003e\n\u003cp\u003eThe floating rim sprocket design allows the saw chain to naturally align with the guide bar groove, helping provide smoother operation and more even wear across the chain, sprocket and guide bar.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e8-tooth configuration provides increased chain speed compared with a standard .404\" 7-tooth rim sprocket\u003c\/strong\u003e, making it particularly suited to large, high-powered professional chainsaws where additional chain speed is desired.\u003c\/p\u003e\n\u003cp\u003eIdeal for professional forestry, large timber cutting, chainsaw milling and other demanding applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅.404\u003c\/span\u003e\" Pitch Rim sprocket\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003e8-Tooth Configuration\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eStandard 7 Spline Fitment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eHardened Wear-Resistant Steel\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eIncreased Chain Speed\u003c\/b\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eProfessional performance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eSmooth \u0026amp; Efficient Power Transfer\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eReduced Chain \u0026amp; Bar Wear \u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eDesigned to Reduce Uneven Chain \u0026amp; Bar Wear\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eEasy Replacement Rim Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eHelps Maintain Correct Chain Alignment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cb\u003e\u003cspan style=\"font-family: 'Segoe UI Emoji',sans-serif; mso-bidi-font-family: 'Segoe UI Emoji';\"\u003e✅\u003c\/span\u003eSuitable for Heavy-Duty Professional Chainsaws \u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin: 0cm 0cm 0cm 18.0pt;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOEM CROSS REFERENCES\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOregon 13313\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e• GB GBB8L7\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCOMMON CHAINSAW FITMENTS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for selected chainsaws using a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e.404\" pitch Standard 7 Spline (SD7) rim drive system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSTIHL\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• STIHL 07S\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 08\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 050\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 051\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 064\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 066 \/ 066 Magnum\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 070\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 075\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL 076\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL MS660\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL MS880 Magnum\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• STIHL S10\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHUSQVARNA\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• HUSQVARNA 65\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 77\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 160\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 181\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 185\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 260\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 281\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 285\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 288\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 298\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 380\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 390XP \/ 390XPG\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 394 \/ 394XP\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 395 \/ 395XP\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 480\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 1100\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 2100 \/ 2101\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• HUSQVARNA 3120 \/ 3120XP\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eOTHER COMMON APPLICATIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSelected models from:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOleo-Mac\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – including 970, 980 \u0026amp; 999F\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJohn Deere\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – including CS71 \u0026amp; CS81\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMcCulloch\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJonsered\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEcho\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePoulan \/ Poulan Pro\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDolmar\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHomelite\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePartner\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePlus other chainsaws fitted with a compatible .404\" Standard 7 Spline rim drive system.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eWHY CHOOSE AN 8-TOOTH .404\" RIM SPROCKET?\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eCompared with a \u003cstrong\u003e7-tooth .404\" sprocket\u003c\/strong\u003e, an 8-tooth sprocket moves more chain for each revolution of the clutch drum.\u003c\/p\u003e\n\u003cp\u003eThis provides \u003cstrong\u003ehigher chain speed\u003c\/strong\u003e, which can improve cutting performance when used on a chainsaw with sufficient engine power.\u003c\/p\u003e\n\u003cp\u003eThe trade-off is that increasing the sprocket tooth count reduces the mechanical advantage available at the chain. For this reason, an \u003cstrong\u003e8-tooth .404\" sprocket is best suited to powerful professional chainsaws\u003c\/strong\u003e capable of pulling the taller gearing effectively.\u003c\/p\u003e\n\u003cp\u003eFor chainsaws working particularly hard in large timber, or where maximum pulling power is more important than chain speed, a 7-tooth sprocket may be the better choice.\u003c\/p\u003e\n\u003ch2\u003eWHY USE A RIM SPROCKET?\u003c\/h2\u003e\n\u003cp\u003eA rim sprocket transfers power from the chainsaw clutch drum to the saw chain.\u003c\/p\u003e\n\u003cp\u003eThe replaceable rim floats slightly on the clutch drum spline, allowing the chain to naturally align with the guide bar groove. Oregon notes that this type of system can provide smoother cutting and reduced chain wear compared with a spur sprocket. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis design helps provide:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Smooth Chain Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Improved Chain \u0026amp; Guide Bar Alignment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ More Even Sprocket Wear\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Reduced Saw Chain Wear\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Reliable Power Transfer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe rim can also be replaced independently of the complete clutch drum, provided the existing drum remains serviceable.\u003c\/p\u003e\n\u003ch2\u003e.404\" 7 TOOTH OR 8 TOOTH?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e7 Tooth:\u003c\/strong\u003e\u003cbr\u003eProvides lower gearing with greater pulling ability and is the standard choice for many .404\" chainsaw applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8 Tooth:\u003c\/strong\u003e\u003cbr\u003eProvides higher chain speed and is generally better suited to larger, high-powered chainsaws capable of maintaining RPM under load.\u003c\/p\u003e\n\u003cp\u003eIf changing from a 7-tooth to an 8-tooth sprocket, always ensure your chainsaw has sufficient power for the application.\u003c\/p\u003e\n\u003ch2\u003eIMPORTANT FITMENT INFORMATION\u003c\/h2\u003e\n\u003cp\u003eThis sprocket is specifically designed for \u003cstrong\u003e.404\" pitch chainsaw chain\u003c\/strong\u003e and a \u003cstrong\u003eStandard 7 Spline (SD7)\u003c\/strong\u003e clutch drum.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, check your existing rim sprocket and confirm:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e• Pitch – .404\"\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Tooth Count – 8 Tooth\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Spline – Standard 7 Spline (SD7)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e• Cross Reference – Oregon 13313\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sprocket pitch must match the \u003cstrong\u003esaw chain and guide bar nose sprocket pitch\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSome chainsaws can also be configured with 3\/8\" pitch or different clutch drum systems, so always check the components actually fitted to your saw rather than relying solely on the chainsaw model.\u003c\/p\u003e\n\u003cp\u003eIf you're unsure whether this rim sprocket suits your chainsaw, contact Longer Chainsaws with your chainsaw make and model before ordering.\u003c\/p\u003e","brand":"Longer","offers":[{"title":"LONGER \/ 1 Pack","offer_id":49108866367713,"sku":"LN22270","price":8.95,"currency_code":"AUD","in_stock":true},{"title":"LONGER \/ 5 Pack","offer_id":49108866400481,"sku":"LN22270","price":29.9,"currency_code":"AUD","in_stock":true},{"title":"LONGER \/ 10 Pack","offer_id":49108866433249,"sku":"LN22270","price":52.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/1526\/5249\/files\/404-Chainsaw-Rim-Sprocket-8-Tooth-Standard-7-Spline_13313_58703bd3-3294-45e5-a1cc-77787400a572.png?v=1789279693","url":"https:\/\/www.longerchainsaws.com.au\/products\/404-chainsaw-rim-sprocket-8-tooth-standard-7-spline","provider":"Longer Chainsaws","version":"1.0","type":"link"}