{"product_id":"80-88-zinc-alloy-pulley-for-pvc-windows-doors","title":"Double-Wheel Sliding Window Pulley","description":"\u003cp style=\"text-align: center;\"\u003eSliding Window Stuck and Screeching? Get a \u003cb\u003eSmooth, Quiet Glide\u003c\/b\u003e Back\u003c\/p\u003e\n\u003c!-- [IMAGE: Hero shot — double-wheel pulley on clean white background, nickel finish catching light, both wheels clearly visible] --\u003e\n\u003cp\u003eA worn pulley turns every open and close into a fight. The window \u003cb\u003edrags, scrapes the track\u003c\/b\u003e and screeches loud enough to wake the house. Oil gives a few days of relief. Then dust sticks to it and the grinding comes back. The real fix is a \u003cb\u003enew pulley\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/2715\/7726\/files\/spp_20250811181419_fbddaa567132304ca82c6cee48ba021b.png?v=1754907263\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis \u003cb\u003eDouble-Wheel Sliding Window Pulley\u003c\/b\u003e is a \u003cb\u003ezinc alloy replacement roller\u003c\/b\u003e with \u003cb\u003etwin wheels and cylindrical bearings\u003c\/b\u003e. It helps your uPVC windows and doors \u003cb\u003eglide smoothly again\u003c\/b\u003e.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/6152\/0298\/files\/53161651_5_image.jpg?v=1789469986\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It Slides Better\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✓ \u003cb\u003eSmooth, low-friction glide\u003c\/b\u003e — \u003cb\u003edouble-wheel structure\u003c\/b\u003e with \u003cb\u003ecylindrical bearings\u003c\/b\u003e rolls instead of dragging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/6152\/0298\/files\/53161651_6_image.jpg?v=1789469986\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✓ \u003cb\u003eQuieter every day\u003c\/b\u003e — load spreads evenly across both wheels, so there's less scraping and rattling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/2715\/7726\/files\/spp_20250811181424_d4cc41a24a77c8ab958f4821bf144fd0.png?v=1754907268\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✓ \u003cb\u003eBuilt to resist rust\u003c\/b\u003e — \u003cb\u003ezinc alloy body\u003c\/b\u003e with a \u003cb\u003enickel-plated finish\u003c\/b\u003e for indoor and outdoor use\u003c\/li\u003e\n\u003cli\u003e✓ \u003cb\u003eMade for busy doors\u003c\/b\u003e — handles balcony, kitchen and bedroom sliders used many times a day\u003c\/li\u003e\n\u003cli\u003e✓ \u003cb\u003eWear-resistant wheels\u003c\/b\u003e — sturdy build for steady everyday performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/2715\/7726\/files\/spp_20250811181430_78b8d30463a3fef9cd823001c0dd561b.png?v=1754907274\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✓ \u003cb\u003eFits 80 \u0026amp; 88 series\u003c\/b\u003e — made for standard \u003cb\u003euPVC sliding windows and doors\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e✓ \u003cb\u003eUpgrades older sliders too\u003c\/b\u003e — a strong replacement for worn, old-style door pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/6152\/0298\/files\/53161652_8_image.jpg?v=1789469985\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c!-- [IMAGE: Close-up cutaway\/infographic — twin wheels + cylindrical bearing, callouts: \"Double Wheel\", \"Cylindrical Bearing\", \"Nickel-Plated Zinc Alloy\"] --\u003e\n\u003cp\u003e\u003cstrong\u003eSlot Wheel or Flat Wheel? Pick the Right One in 10 Seconds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTake out your old pulley and look at the wheel:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGroove running around the middle?\u003c\/b\u003e Choose \u003cb\u003eSlot Wheel\u003c\/b\u003e. It rides on a raised rail track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSmooth, flat rim?\u003c\/b\u003e Choose \u003cb\u003eFlat Wheel\u003c\/b\u003e. It rolls on a flat track.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/2715\/7726\/files\/spp_20250811181435_0a7c6a75cc19ccb21b4fb48ffbd15f58.png?v=1754907279\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNot sure about your window series? Match it against your old pulley, or ask your window fabricator before ordering.\u003c\/p\u003e\n\u003c!-- [IMAGE: Side-by-side comparison — Slot Wheel vs Flat Wheel, each shown on its matching track profile, with a clear label under each] --\u003e\n\u003ch4\u003eWhere You Can Use It\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBedroom and living room\u003c\/b\u003e sliding windows\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBalcony and terrace\u003c\/b\u003e sliding doors\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKitchen\u003c\/b\u003e sliding windows\u003c\/li\u003e\n\u003cli\u003eAny \u003cb\u003euPVC (plastic steel)\u003c\/b\u003e sliding frame in the \u003cb\u003e80 or 88 series\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/6152\/0298\/files\/713vBEnHM5L._AC_SL1500.jpg?v=1789470431\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c!-- [IMAGE: Lifestyle — hand sliding a balcony uPVC door open with one finger, bright daylight, calm home setting] --\u003e\u003c!-- [IMAGE: Size reference — pulley held between fingers or next to a ruler, dimensions marked] --\u003e\n\u003ch4\u003eHow to Install\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eLift\u003c\/b\u003e the sliding panel up and tilt the bottom out of the track. Take help for large glass panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUnscrew\u003c\/b\u003e the old pulley from the bottom of the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFit\u003c\/b\u003e the new pulley in the same spot and tighten the screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlace\u003c\/b\u003e the panel back on the track and slide to test.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0668\/2715\/7726\/files\/spp_20250811181442_e753f8264777693f70b44e647aba0d09.png?v=1754907286\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTip:\u003c\/b\u003e Wipe dust and grit out of the track before refitting for the smoothest glide.\u003c\/p\u003e\n\u003c!-- [IMAGE: Box contents — pulleys laid out neatly with screws (if included), clean flat-lay] --\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eWill this fit my window?\u003c\/b\u003e\u003cbr\u003eIt fits \u003cb\u003e80 and 88 series uPVC\u003c\/b\u003e sliding windows and doors. Compare it with your old pulley before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow many pulleys do I need?\u003c\/b\u003e\u003cbr\u003eMost sliding panels use \u003cb\u003e2 pulleys\u003c\/b\u003e at the bottom. Count the ones in your panel and order to match.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSlot Wheel or Flat Wheel, which is mine?\u003c\/b\u003e\u003cbr\u003eA groove in the middle of your old wheel means \u003cb\u003eSlot Wheel\u003c\/b\u003e. A smooth, flat rim means \u003cb\u003eFlat Wheel\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan I use it on outdoor or balcony doors?\u003c\/b\u003e\u003cbr\u003eYes. The \u003cb\u003enickel-plated zinc alloy\u003c\/b\u003e body is built to resist rust in humid and monsoon conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo I need a technician?\u003c\/b\u003e\u003cbr\u003eMost people can replace it with a screwdriver. For heavy or large glass panels, take help or call your fabricator.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWill my window be completely noiseless?\u003c\/b\u003e\u003cbr\u003eA new pulley makes sliding \u003cb\u003emuch quieter\u003c\/b\u003e. For best results, also clean any dust or debris from the track.\u003c\/p\u003e\n\u003c!-- [IMAGE: Trust badges strip — COD Available, Easy Returns, 100% Original, Pan-India Delivery] --\u003e\n\u003ch4 style=\"text-align: center;\"\u003eMake Your Sliding Window Easy to Open Again\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e","brand":"Martiso","offers":[{"title":"Slot Wheel 1 set (2 pcs)","offer_id":49255856210090,"sku":"锌合金滑轮-1","price":999.0,"currency_code":"INR","in_stock":true},{"title":"Flat Wheel 1 set (2 pcs)","offer_id":49255856242858,"sku":"锌合金滑轮-2","price":999.0,"currency_code":"INR","in_stock":true},{"title":"Slot Wheel 1 set (4 pcs)","offer_id":49255856275626,"sku":"锌合金滑轮-3","price":1199.0,"currency_code":"INR","in_stock":true},{"title":"Flat Wheel 1 set (4 pcs)","offer_id":49255856308394,"sku":"锌合金滑轮-4","price":1199.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/6152\/0298\/files\/81yyIO_r18L._SL1500_8e69323e-4da4-46f5-8ef1-4d2344263e10.jpg?v=1789470530","url":"https:\/\/martiso.com\/products\/80-88-zinc-alloy-pulley-for-pvc-windows-doors","provider":"Martiso™","version":"1.0","type":"link"}