{"product_id":"arris-37mm-x-40mm-x-500mm-carbon-fiber-tube-4pcs-lightweight","title":"ARRIS 37mm x 40mm x 500mm Carbon Fiber Tube 4PCS - Lightweight","description":"\u003cp\u003eIn this review the ARRIS 4PCS 37mm x 40mm x 500mm tubes are examined for builders and hobbyists who need a lightweight, high-strength structural tube. The bottom line: these plain glossy carbon fiber tubes deliver a notable strength-to-weight advantage over similar metal tubing and are ideal when corrosion resistance and a clean finish matter. Measured tolerances and a 1.5mm wall thickness make them a sensible choice for frames, booms, and custom fixtures where reduced mass and stiffness are priorities.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Exact outer and inner diameters make these tubes easy to plan into assemblies without extensive modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength-to-weight:\u003c\/strong\u003e The 100% pure carbon fiber construction provides stiffness and strength that can rival aluminum while keeping overall weight low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance:\u003c\/strong\u003e Carbon fiber resists water and corrosion so these tubes suit applications exposed to humidity or occasional wetting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e The plain glossy surface offers a polished look that reduces finishing work for visible components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e The pack of four identical tubes simplifies multi-leg or multi-boom builds and ensures matched parts for symmetry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThese carbon fiber tubes are best for hobbyists, drone builders, light industrial prototypers, and anyone needing lightweight, stiff tubing for structural uses. The tubes are particularly useful for multirotor frames up to roughly 650 mm size and for custom tooling or fixtures where matching tube pairs are required.\u003c\/p\u003e\u003cp\u003eThose who need very tight precision for machined press fits, specialty coupling systems, or thicker walls for heavy load-bearing should consider alternative diameters or metal tubing; similarly, if a coated or colored finish is required out of the box, additional surface work may be necessary.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh strength-to-weight ratio makes the tubes effective for lightweight structural components.\u003c\/li\u003e\n\u003cli\u003ePlain glossy finish is clean and attractive, reducing the need for post-processing.\u003c\/li\u003e\n\u003cli\u003eGood resistance to corrosion, water, heat, and fatigue increases durability in varied environments.\u003c\/li\u003e\n\u003cli\u003eSold as a set of 4 which simplifies multi-piece projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome customers report slight undersize on diameter due to manual measurement variation of +\/- 0.1, which can affect tight tolerance fits.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter\u003c\/td\u003e\n\u003ctd\u003e37mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e500mm (19.68 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% pure carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePlain glossy surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003e4PCS carbon fiber tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ARRIS 37mm x 40mm x 500mm carbon fiber tubes are a strong value for builders who need lightweight, corrosion-resistant structural tubing with a clean glossy finish. They suit multirotors, DIY frames, and prototype fixtures where matched tube sets and reduced mass matter, but users requiring ultra-precise diameters should allow for small manual measurement variation.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these tubes easy to cut?\u003c\/strong\u003e\u003cbr\u003eYes. The tubes can be cut to length with appropriate cutting tools for carbon fiber, and the plain glossy surface accepts trimming and finishing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow accurate are the diameters?\u003c\/strong\u003e\u003cbr\u003eThe specified dimensions are 40mm OD and 37mm ID with a common manual measurement deviation of +\/- 0.1.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan they replace metal tubes?\u003c\/strong\u003e\u003cbr\u003eFor many applications they provide comparable stiffness and superior corrosion resistance while being much lighter, making them a practical alternative to aluminum or steel in weight-sensitive designs.\u003c\/p\u003e","brand":"ARRIS","offers":[{"title":"Default Title","offer_id":48264017805531,"sku":"B08ZS5ZMJW","price":72.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/717-MUebcwL._SL1500.jpg?v=1778228144","url":"https:\/\/gearmusthave.com\/products\/arris-37mm-x-40mm-x-500mm-carbon-fiber-tube-4pcs-lightweight","provider":"GearMustHave","version":"1.0","type":"link"}