{"product_id":"straight-bevel-gear-module-1-90-degree-1-2-pairing-nylon-blue","title":"Straight Bevel Gear Module 1 90° 1:2 Pairing 15-40 Tooth 5-12mm Bore Nylon Blue","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eStraight Bevel Gear Module 1 — 90° 1:2 Pairing for Lightweight DIY Drive Systems\u003c\/h2\u003e\n\u003cp\u003eWhen your project demands a reliable right-angle power transmission without the weight and noise of metal gearing, finding a matched bevel gear pair that fits your shaft can be a real challenge. These Module 1 straight bevel gears are designed for makers, robotics builders, and mechanical DIY enthusiasts who need a precise 90° 1:2 gear ratio in a compact, corrosion-resistant package.\u003c\/p\u003e\n\u003cp\u003eEach set consists of a matched pinion and wheel pair machined to Module 1 (1mm tooth pitch) standards. The gears are molded from engineering-grade nylon in a distinctive blue finish, offering a bore range of 5–12mm (approx. 0.20–0.47 in) to suit common motor and shaft diameters. Tooth counts span 15 to 40 teeth across the available models, with overall gear diameters typically ranging from 15mm to 40mm (approx. 0.59–1.57 in).\u003c\/p\u003e\n\u003cp\u003eTypical use cases include desktop CNC router axis drives, small robotic arm joints requiring a 2:1 speed reduction, and custom 3D printer extruder gearboxes — all scenarios where a low-noise straight bevel gear module 1 nylon pair outperforms heavier metal alternatives.\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 Module 1 (1mm pitch) gear systems. Pairs are matched at a 90° shaft angle with a 1:2 ratio. Bore sizes 5mm, 6mm, 8mm, 10mm, and 12mm available — select your shaft diameter from the variant options above.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Straight Bevel Gears Module 1\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eMatched 1:2 Gear Ratio Pair\u003c\/strong\u003e\n\u003cp\u003eEach listing ships as a pre-matched pinion-and-wheel set engineered for a precise 90° 1:2 transmission ratio, eliminating the guesswork of sourcing compatible bevel gears separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔵\u003c\/span\u003e \u003cstrong\u003eEngineering-Grade Nylon Construction\u003c\/strong\u003e\n\u003cp\u003eMolded from nylon for a favorable strength-to-weight ratio, inherent lubricity, and resistance to moisture and common workshop chemicals — no additional lubrication required for light-duty applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔇\u003c\/span\u003e \u003cstrong\u003eLow-Noise Operation\u003c\/strong\u003e\n\u003cp\u003eNylon-on-nylon tooth engagement significantly reduces operational noise compared to metal gear pairs, making these ideal for indoor robotics, desktop machines, and noise-sensitive environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e \u003cstrong\u003eWide Bore Range: 5–12mm\u003c\/strong\u003e\n\u003cp\u003eAvailable bore diameters of 5mm, 6mm, 8mm, 10mm, and 12mm cover the most common motor shaft and rod sizes used in DIY and light industrial builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003eLightweight for Weight-Sensitive Builds\u003c\/strong\u003e\n\u003cp\u003eNylon construction keeps individual gear weight low — typically a fraction of equivalent steel gears — making these a practical choice for robotic arms, drones, and portable mechanisms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔢\u003c\/span\u003e \u003cstrong\u003eMultiple Tooth Count Options: 15–40T\u003c\/strong\u003e\n\u003cp\u003eChoose from Module 1 models with 15, 20, 30, or 40 teeth on the wheel gear to match your torque and speed requirements. Multi-pack quantities (1–5 pcs) available for prototyping or replacement stock.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Straight Bevel Gear Module 1\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModule\u003c\/th\u003e\n\u003ctd\u003e1 (1mm tooth pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Ratio\u003c\/th\u003e\n\u003ctd\u003e1:2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count (Wheel)\u003c\/th\u003e\n\u003ctd\u003e15T \/ 20T \/ 30T \/ 40T (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003e5mm \/ 6mm \/ 8mm \/ 10mm \/ 12mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eEngineering-grade nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor \/ Finish\u003c\/th\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Type\u003c\/th\u003e\n\u003ctd\u003eStraight bevel gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePressure Angle\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 3 \/ 4 \/ 5 pcs (matched pairs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight per Pair\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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 tooth count for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe tooth count on the wheel gear determines the gear ratio in combination with the pinion. All models in this listing are pre-matched at a 1:2 ratio, so the pinion tooth count is always half the wheel count. Choose a higher tooth count (e.g., 40T) for smoother, quieter operation at higher speeds; choose a lower count (e.g., 15T) for more compact assemblies where space is limited.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich bore size should I select for my motor shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSelect the bore diameter that matches your motor or drive shaft. Available options are 5mm, 6mm, 8mm, 10mm, and 12mm. If your shaft is metric and falls between these sizes, you can use a shaft collar or set screw hub to adapt — or contact us to confirm fitment before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears strong enough for my robotics or automation project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese nylon bevel gears are well-suited for light-to-medium duty applications such as desktop robotics, small CNC machines, 3D printer mechanisms, and educational automation projects. For heavy-load or high-torque industrial applications, metal bevel gears would be more appropriate. If you are unsure whether nylon is suitable for your load requirements, please contact us with your torque and speed specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo nylon gears require lubrication?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNylon has inherent self-lubricating properties, so these gears can run dry in most light-duty applications. For continuous-duty or higher-speed use, a small amount of dry PTFE lubricant or light grease can extend service life. Avoid petroleum-based oils that may degrade nylon over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears corrosion-resistant?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Nylon is inherently resistant to moisture, mild acids, and common workshop chemicals, making these gears a reliable choice for environments where metal gears might corrode. They are not recommended for prolonged immersion in water or exposure to strong solvents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these gears with metal shafts and metal mating components?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The bore is designed to fit standard metric metal shafts. These nylon gears can mesh with other Module 1 nylon gears of the same specification. Meshing nylon with metal gears of the same module is possible but may accelerate wear on the nylon gear; for matched-pair use, we recommend pairing nylon with nylon as supplied.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the multi-pack quantity option include?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach unit in the quantity selector represents one matched pair (pinion + wheel). Selecting \"2 pcs\" means you receive 2 matched pairs (4 gears total), and so on. This is ideal for building redundant systems, prototyping multiple assemblies, or stocking spares.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Model (tooth count) and Bore Size above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"Module 1【15 Tooth】 \/ 5mm \/ 1 pcs","offer_id":52439312007442,"sku":"PENGJGJXCD2847x1","price":16.12,"currency_code":"USD","in_stock":true},{"title":"Module 1【15 Tooth】 \/ 6mm \/ 1 pcs","offer_id":52439312040210,"sku":"PENGJGJXCD2848x1","price":16.12,"currency_code":"USD","in_stock":true},{"title":"Module 1【20 Tooth】 \/ 6mm \/ 1 pcs","offer_id":52439312072978,"sku":"PENGJGJXCD2851x1","price":16.12,"currency_code":"USD","in_stock":true},{"title":"Module 1【20 Tooth】 \/ 8mm \/ 1 pcs","offer_id":52439312105746,"sku":"PENGJGJXCD2852x1","price":16.12,"currency_code":"USD","in_stock":true},{"title":"Module 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