{"product_id":"05b-chain-drive-sprocket-roller-chain-links-8mm-pitch","title":"05B Chain Drive Sprocket 10 Tooth - 50 Tooth Roller Chain \u0026 Links Pitch 8mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e05B Chain Drive Sprocket \u0026amp; Roller Chain Kit — Precision 8mm Pitch Drive Components\u003c\/h2\u003e\n\u003cp\u003eWhen your conveyor stalls, your go-kart skips a beat, or your DIY automation project demands reliable power transfer, the weak link is almost always a mismatched or worn drivetrain. Makers, hobbyists, and light-industrial builders who need a complete 05B chain drive solution — sprocket, chain, and connecting hardware — in one place will find everything here.\u003c\/p\u003e\n\u003cp\u003eThis listing covers the full 05B drivetrain family: machined sprockets from 10 to 50 teeth, roller chain sold by the half-meter or meter, full-link connecting buckles (sold in pairs), and half-link offset buckles — all built to the 05B standard with an 8mm pitch (approximately 0.315 in). Sprocket bore and hub dimensions vary by tooth count; see variant options for exact specifications.\u003c\/p\u003e\n\u003cp\u003eTypical applications include small conveyor belt drives for workshop automation, go-kart and mini-bike chain drive replacement, 3D-printer or CNC axis drive systems requiring 05B roller chain, and light agricultural or garden-equipment power transmission upgrades.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for standard 05B roller chain with 8mm pitch. Sprockets are compatible with 05B single-strand chain. Confirm bore diameter and hub style against your shaft size before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 05B Chain Drive Sprockets \u0026amp; Roller Chain Components\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003eWide Tooth-Count Range\u003c\/strong\u003e — Sprockets available from 10 to 50 teeth, letting you dial in your exact gear ratio for speed or torque without sourcing from multiple suppliers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cstrong\u003eStandard 8mm (05B) Pitch\u003c\/strong\u003e — Conforms to ISO\/BS 05B chain standard (8mm pitch, ~0.315 in), ensuring interchangeability with any compliant 05B roller chain on the market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eComplete Drive Kit in One Listing\u003c\/strong\u003e — Choose sprocket, roller chain by the meter, full-link buckle, or half-link offset buckle — all matched to the same 05B pitch so every component works together out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eCorrosion-Resistant Construction\u003c\/strong\u003e — Sprocket teeth and chain links are finished to resist oxidation in typical workshop and light-outdoor environments, extending service intervals between lubrication cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003ePrecision-Machined Tooth Profile\u003c\/strong\u003e — Each sprocket tooth is machined to ANSI\/ISO profile tolerances, reducing chain wear, noise, and the risk of skipping under load compared to cast or stamped alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eFlexible Chain Length Options\u003c\/strong\u003e — Roller chain is available in 0.5 m, 1 m, and 1.5 m cuts, so you only buy what your project needs and avoid waste from fixed-length rolls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — 05B Roller Chain Sprocket \u0026amp; Chain\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Standard\u003c\/th\u003e\n\u003ctd\u003e05B (ISO\/BS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch\u003c\/th\u003e\n\u003ctd\u003e8 mm (0.315 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Tooth Counts\u003c\/th\u003e\n\u003ctd\u003e10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 35, 36, 40, 45, 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSprocket Bore Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSprocket Hub Style\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSprocket Material\u003c\/th\u003e\n\u003ctd\u003eCarbon steel (surface treated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Type\u003c\/th\u003e\n\u003ctd\u003e05B single-strand roller chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Inner Width\u003c\/th\u003e\n\u003ctd\u003eTypically 3.0 mm (0.118 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Roller Diameter\u003c\/th\u003e\n\u003ctd\u003eTypically 5.0 mm (0.197 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain Available Lengths\u003c\/th\u003e\n\u003ctd\u003e0.5 m \/ 1 m \/ 1.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnecting Link Types\u003c\/th\u003e\n\u003ctd\u003eFull Link Buckle (2 pcs), Half Link Buckle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eAnti-oxidation surface treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right number of teeth for my sprocket?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYour gear ratio is determined by dividing the driven sprocket tooth count by the drive sprocket tooth count. For example, a 10-tooth drive sprocket paired with a 30-tooth driven sprocket gives a 3:1 reduction — tripling torque while reducing speed to one-third. Use a higher tooth count on the driven side for more torque, or a lower count for higher speed. If you are replacing an existing sprocket, match the tooth count exactly to maintain your original ratio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this sprocket compatible with any 05B roller chain, or only the chain sold here?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese sprockets conform to the standard 05B pitch (8mm), so they are mechanically compatible with any ISO\/BS 05B single-strand roller chain from any manufacturer. The chain sold in this listing is also 05B standard, making it a convenient matched set, but you are not required to use it together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat bore diameter does the sprocket have? Will it fit my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by tooth count — smaller sprockets typically have a smaller bore, and larger sprockets accommodate larger shafts. Please check the variant detail page or contact us to confirm the bore size for your specific tooth count before ordering. If you need a custom bore, a machinist can typically enlarge a standard bore with a lathe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is the 05B roller chain? What load can it handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe 05B chain is rated for light-to-medium duty applications. Typical minimum breaking load for 05B chain is approximately 4.4 kN (990 lbf), though working load should be kept well below this figure — generally 1\/6 to 1\/8 of the breaking load — to account for dynamic shock loads and fatigue. This makes it well-suited for go-karts, small conveyors, garden equipment, and DIY automation, but not for heavy industrial drives requiring ANSI 40 or larger chain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect chain lengths using the buckles?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFull Link Buckle (sold as 2 pcs)\u003c\/strong\u003e is a standard connecting link used to join two ends of chain at a full-pitch interval — ideal when your required chain length is an even number of pitches. The \u003cstrong\u003eHalf Link Buckle\u003c\/strong\u003e (offset link) adds half a pitch, allowing you to fine-tune chain length when an even number of links would leave the chain too long or too short. Use the half link only when necessary, as it is slightly weaker than a full inner link.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the roller chain require lubrication, and how often?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. All roller chains require periodic lubrication to minimize wear between the pin, bushing, and roller. For light-duty or intermittent use, apply a light machine oil or chain lubricant every 20–50 hours of operation, or whenever the chain appears dry or begins to make noise. For continuous or outdoor use, lubricate more frequently and consider a chain cover to keep out debris.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I order just the chain without a sprocket, or just the sprocket?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — each component is sold separately. Select \u003cstrong\u003e05B-Sprocket\u003c\/strong\u003e and your desired tooth count to order a sprocket only. Select \u003cstrong\u003e05B-Roller Chain\u003c\/strong\u003e and your preferred length (0.5 m, 1 m, or 1.5 m) to order chain only. Connecting buckles are also available individually. Mix and match to suit your exact project needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Model and tooth count (or chain length) above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"05B-Sprocket \/ 10 Teeth \/ 1 PCS","offer_id":52423418544402,"sku":"GYJLTHXCDZH0841x1","price":6.07,"currency_code":"USD","in_stock":true},{"title":"05B-Sprocket \/ 11 Teeth \/ 1 PCS","offer_id":52423418577170,"sku":"GYJLTHXCDZH0842x1","price":6.57,"currency_code":"USD","in_stock":true},{"title":"05B-Sprocket \/ 12 Teeth \/ 1 PCS","offer_id":52423418609938,"sku":"GYJLTHXCDZH0843x1","price":7.41,"currency_code":"USD","in_stock":true},{"title":"05B-Sprocket \/ 13 Teeth \/ 1 PCS","offer_id":52423418642706,"sku":"GYJLTHXCDZH0844x1","price":8.31,"currency_code":"USD","in_stock":true},{"title":"05B-Sprocket \/ 14 Teeth \/ 1 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