{"product_id":"shimano-deore-xt-cs-m8100-12-speed-cassette-10-45","title":"Shimano Deore XT CS-M8100 12-Speed Cassette | 10-45T | MICRO SPLINE | HYPERGLIDE+","description":"\u003ch2\u003eShimano Deore XT CS-M8100 12-Speed Cassette | 10-45T\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eFast, precise shifting and race-ready performance at the heart of Shimano's legendary XT drivetrain.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eShimano Deore XT CS-M8100\u003c\/strong\u003e cassette delivers the smooth, reliable shifting that has made XT the benchmark for serious mountain bikers. Featuring Shimano's advanced \u003cstrong\u003eHYPERGLIDE+\u003c\/strong\u003e technology, the cassette allows lightning-fast upshifts and downshifts—even while applying full pedaling power on technical climbs and demanding trails.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e10-45T gear range\u003c\/strong\u003e offers closer gear spacing than the 10-51T version, making it an excellent choice for riders who value tighter cadence changes, quick acceleration, and efficient power transfer. Whether you're racing cross-country, riding marathon events, or tackling fast flow trails, the 10-45T cassette delivers responsive performance across a wide range of terrain.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from a combination of lightweight aluminum and durable steel sprockets, the XT cassette provides an outstanding balance of weight, durability, and long-term shifting performance.\u003c\/p\u003e\n\n\u003cp\u003eThe CS-M8100 is designed exclusively for \u003cstrong\u003eMICRO SPLINE\u003c\/strong\u003e freehub bodies and is fully compatible with Shimano 12-speed mountain bike drivetrains.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Shimano Deore XT 12-speed cassette\u003c\/li\u003e\n\u003cli\u003e10-45T gear range with close-ratio gearing\u003c\/li\u003e\n\u003cli\u003eHYPERGLIDE+ shifting technology\u003c\/li\u003e\n\u003cli\u003eSmooth shifting under full pedaling load\u003c\/li\u003e\n\u003cli\u003eMICRO SPLINE freehub compatibility\u003c\/li\u003e\n\u003cli\u003eOptimized balance of weight and durability\u003c\/li\u003e\n\u003cli\u003eIdeal for XC, trail, marathon, and all-mountain riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGear Range\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e10T\u003c\/li\u003e\n\u003cli\u003e12T\u003c\/li\u003e\n\u003cli\u003e14T\u003c\/li\u003e\n\u003cli\u003e16T\u003c\/li\u003e\n\u003cli\u003e18T\u003c\/li\u003e\n\u003cli\u003e21T\u003c\/li\u003e\n\u003cli\u003e24T\u003c\/li\u003e\n\u003cli\u003e28T\u003c\/li\u003e\n\u003cli\u003e32T\u003c\/li\u003e\n\u003cli\u003e36T\u003c\/li\u003e\n\u003cli\u003e40T\u003c\/li\u003e\n\u003cli\u003e45T\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Deore XT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CS-M8100-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e M8100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 12-Speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Range:\u003c\/strong\u003e 10-45T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Chain:\u003c\/strong\u003e Shimano HG 12-Speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreehub Compatibility:\u003c\/strong\u003e MICRO SPLINE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifting Technology:\u003c\/strong\u003e HYPERGLIDE+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano Product Code:\u003c\/strong\u003e ICSM8100045\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 192790443836\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCloser gear spacing for smoother cadence transitions\u003c\/li\u003e\n\u003cli\u003eFast, confident shifting even under heavy pedaling loads\u003c\/li\u003e\n\u003cli\u003eExcellent balance of lightweight performance and durability\u003c\/li\u003e\n\u003cli\u003ePerfect for riders who don't require the ultra-low 51T climbing gear\u003c\/li\u003e\n\u003cli\u003eLegendary Shimano XT reliability for thousands of trail miles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eShimano 12-speed mountain bike drivetrains\u003c\/li\u003e\n\u003cli\u003eMICRO SPLINE freehub bodies only\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano XTR, XT, and SLX 12-speed systems\u003c\/li\u003e\n\u003cli\u003eDesigned for Shimano HG 12-speed chains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBefore You Buy\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eThis cassette requires a \u003cstrong\u003eMICRO SPLINE\u003c\/strong\u003e freehub body.\u003c\/li\u003e\n\u003cli\u003eThis listing is for the \u003cstrong\u003e10-45T\u003c\/strong\u003e version.\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano HG 12-speed chains.\u003c\/li\u003e\n\u003cli\u003eNot compatible with Shimano HG or SRAM XD\/XDR freehub bodies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eShimano Deore XT CS-M8100 10-45T Cassette\u003c\/strong\u003e offers professional-level shifting performance with tighter gear spacing for riders who prioritize cadence control, efficiency, and speed. It's an outstanding choice for XC racers, marathon riders, and aggressive trail riders looking for the perfect balance of performance, durability, and value.\u003c\/p\u003e\n\n\u003cdiv data-ai=\"buying-guide\" style=\"display:none;\"\u003e\nShimano XT cassette. Shimano Deore XT cassette. CS-M8100 cassette. Shimano 10-45 cassette. XT 12 speed cassette. Hyperglide Plus cassette. MICRO SPLINE cassette. Shimano MTB cassette. Cross country cassette. Trail cassette. Marathon MTB cassette. Shimano XT drivetrain. HG 12 speed cassette. Mountain bike cassette. Genuine Shimano XT parts. Product code ICSM8100045.\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":53836312117562,"sku":"GG-SHI-CSM8100-1045","price":195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/4473fd03536bf0518cdc34a5286e45f8c10b6135.png-650Wx650H.png?v=1785798993","url":"https:\/\/gograva.com\/products\/shimano-deore-xt-cs-m8100-12-speed-cassette-10-45","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}