{"product_id":"bucklos-8-12-speed-bike-cassette-36t-52t-mtb-road-freewheel-shimano-hg","title":"BUCKLOS 8-12 Speed Bike Cassette 36T-52T Shimano HG MTB Freewheel","description":"\n\u003ch2\u003eBUCKLOS 8\/9\/10\/11\/12 Speed Bicycle Cassette – Multi-Gear Freewheel for MTB \u0026amp; Road Bikes\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade your drivetrain with the \u003cstrong\u003eBUCKLOS Bicycle Cassette\u003c\/strong\u003e, engineered for serious cyclists who demand precision, durability, and smooth gear transitions. Compatible with \u003cstrong\u003eShimano HG and SRAM\u003c\/strong\u003e freehub systems, this cassette is available in a wide range of speeds (8 through 12) and tooth configurations (36T to 52T), making it an ideal upgrade for mountain bikes and road bikes alike.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Speed \u0026amp; Gear Options:\u003c\/strong\u003e Available in 8, 9, 10, 11, and 12-speed configurations with tooth options including 36T, 40T, 42T, 46T, 50T, and 52T — giving you the exact gearing ratio you need for climbs, flats, or descents.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Steel Construction:\u003c\/strong\u003e Crafted from high-quality steel with galvanized surface treatment for superior corrosion resistance, anti-rust protection, and high-temperature durability, ensuring a long service life even in tough riding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Bracket:\u003c\/strong\u003e Select models feature an aluminum alloy carrier that reduces overall weight without compromising structural strength — keeping your setup light and responsive.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Precision Machined:\u003c\/strong\u003e CNC technology ensures tight tolerances and a clean, consistent finish across every sprocket for reliable, accurate shifting every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHollow Lightweight Design:\u003c\/strong\u003e The large hollow mid-section reduces cassette weight while maintaining full structural integrity — ideal for performance-focused riders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSludge \u0026amp; Drainage Holes:\u003c\/strong\u003e Strategically placed drainage holes prevent mud and debris build-up, making the cassette easier to clean and less prone to contamination on trail rides.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShimano HG Compatible:\u003c\/strong\u003e Designed for Shimano HG freehub structures and compatible with SRAM 8-speed systems. Fits most standard rear wheel rotor sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simple drop-on installation requires no special adjustments, making it accessible for home mechanics and shop technicians alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Packaging:\u003c\/strong\u003e Ships in a sturdy BUCKLOS box to ensure the cassette arrives undamaged and ready to install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBUCKLOS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 \/ 9 \/ 10 \/ 11 \/ 12 Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTooth Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36T, 40T, 42T, 46T, 50T, 52T\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuality Steel \/ Aluminum Alloy Bracket\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized (Anti-Rust)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreehub Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShimano HG \/ SRAM 8-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMTB \u0026amp; Road Bike\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e900525\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant – Great for Bike Maintenance\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003eMulti-Use Wrench Tool Set – Handy for Component Installation\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Multi-Functional Tool Set – Versatile Workshop Companion\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/health.gov\/moveyourway\" target=\"_blank\" rel=\"noopener\"\u003eHHS Move Your Way physical activity guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the BUCKLOS cassette compatible with my Shimano drivetrain?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the BUCKLOS bicycle cassette is designed for use with the Shimano HG freehub structure and is also compatible with SRAM 8-speed systems. It fits most standard rear wheel freehub bodies. Be sure to match the speed (8, 9, 10, 11, or 12) of the cassette to your chain and rear derailleur for optimal performance.\u003c\/p\u003e\n\u003ch4\u003eQ: What tooth configurations are available for this cassette?\u003c\/h4\u003e\n\u003cp\u003eA: The BUCKLOS cassette is available in a range of sprocket sizes including 36T, 40T, 42T, 46T, 50T, and 52T, paired with gear range options such as 11-32T, 11-36T, 11-40T, 11-42T, 11-46T, and 11-50T. This wide selection covers a variety of riding styles from cross-country MTB to steep climbing and endurance road riding.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install the BUCKLOS bicycle cassette?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — slide the cassette onto your Shimano HG or compatible freehub body, aligning the splines correctly, and tighten the lockring using a cassette lockring tool. No complex adjustments are required. It is suitable for most standard rear wheel rotor sizes, making it a drop-in upgrade for most bikes.\u003c\/p\u003e\n\u003ch4\u003eQ: How durable is the cassette, and how do I maintain it?\u003c\/h4\u003e\n\u003cp\u003eA: The BUCKLOS cassette is constructed from quality steel with a galvanized surface for corrosion and rust resistance. Built-in sludge and drainage holes help keep the cassette clean during muddy trail rides. Regular cleaning with a brush and degreaser, followed by light lubrication of your chain, will keep the cassette performing smoothly for a long time.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the BUCKLOS cassette compatible with my Shimano drivetrain?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the BUCKLOS bicycle cassette is designed for use with the Shimano HG freehub structure and is also compatible with SRAM 8-speed systems. It fits most standard rear wheel freehub bodies. 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