{"product_id":"shimano-cassette-12spd-10-51t-deore","title":"Shimano Cassette CSM6100 Deore 10-51T 12 Speed","description":"\u003cp data-end=\"196\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"55\" data-start=\"4\"\u003eShimano CS-M6100 Deore 12-Speed Cassette 10–51T\u003c\/strong\u003e is Shimano’s entry-level \u003cstrong data-end=\"106\" data-start=\"81\"\u003e12-speed MTB cassette\u003c\/strong\u003e designed for wide-range gearing, modern 1x drivetrains, and Micro Spline freehub systems.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"245\" data-start=\"198\"\u003eShimano CS-M6100 Deore 12-Speed Cassette 10-51T\u003c\/p\u003e\r\n\r\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e \u003c\/div\u003e\r\n\r\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\r\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a0d6745-2188-83ea-90b0-cb81569254ed-27\"\u003e\r\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-96\" data-turn=\"assistant\" data-turn-id=\"request-6a0d6745-2188-83ea-90b0-cb81569254ed-27\" data-turn-id-container=\"request-6a0d6745-2188-83ea-90b0-cb81569254ed-27\" dir=\"auto\"\u003e\r\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\r\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\r\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\r\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-author-role=\"assistant\" data-message-id=\"868a4c32-f684-478b-8e9b-f61b4669bc9f\" data-message-model-slug=\"gpt-5-3-mini\" data-turn-start-message=\"true\" dir=\"auto\" tabindex=\"0\"\u003e\r\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\r\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\r\n\u003ch2 data-end=\"265\" data-section-id=\"i0zii0\" data-start=\"252\"\u003eWhat it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"276\" data-start=\"266\"\u003eThis is a:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"445\" data-start=\"277\"\u003e\r\n\t\u003cli data-end=\"314\" data-section-id=\"azb2rx\" data-start=\"277\"\u003e\u003cstrong data-end=\"314\" data-start=\"279\"\u003e12-speed mountain bike cassette\u003c\/strong\u003e\u003c\/li\u003e\r\n\t\u003cli data-end=\"359\" data-section-id=\"xqz7vc\" data-start=\"315\"\u003ePart of the \u003cstrong data-end=\"359\" data-start=\"329\"\u003eShimano Deore M6100 series\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"402\" data-section-id=\"1hp63pc\" data-start=\"360\"\u003eUses \u003cstrong data-end=\"402\" data-start=\"367\"\u003eHyperglide+ shifting technology\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"445\" data-section-id=\"1j34qez\" data-start=\"403\"\u003eRequires a \u003cstrong data-end=\"445\" data-start=\"416\"\u003eMicro Spline freehub body\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"450\" data-start=\"447\"\u003e\r\n\u003ch2 data-end=\"474\" data-section-id=\"zl12zs\" data-start=\"452\"\u003eGear range (10–51T)\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"499\" data-start=\"475\"\u003eThe full gear spread is:\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"538\" data-start=\"501\"\u003e\u003cspan class=\"inline-block align-middle\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-mathml\"\u003e\u003cmath xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"\u003e\u003csemantics\u003e\u003cmrow\u003e\u003cmn\u003e10\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e12\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e14\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e16\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e18\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e21\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e24\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e28\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e33\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e39\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e45\u003c\/mn\u003e\u003cmo\u003e−\u003c\/mo\u003e\u003cmn\u003e51\u003c\/mn\u003e\u003c\/mrow\u003e\u003cannotation encoding=\"application\/x-tex\"\u003e10-12-14-16-18-21-24-28-33-39-45-51\u003c\/annotation\u003e\u003c\/semantics\u003e\u003c\/math\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e10\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e12\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e14\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e16\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e18\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e21\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e24\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e28\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e33\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e39\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e45\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e−\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e51\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003ch3 data-end=\"560\" data-section-id=\"1j23gtg\" data-start=\"540\"\u003eWhat this means:\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"673\" data-start=\"561\"\u003e\r\n\t\u003cli data-end=\"613\" data-section-id=\"18wxoju\" data-start=\"561\"\u003e\n\u003cstrong data-end=\"570\" data-start=\"563\"\u003e10T\u003c\/strong\u003e → high-speed pedalling on flats\/downhill\u003c\/li\u003e\r\n\t\u003cli data-end=\"673\" data-section-id=\"mvj19g\" data-start=\"614\"\u003e\n\u003cstrong data-end=\"623\" data-start=\"616\"\u003e51T\u003c\/strong\u003e → very easy climbing gear for steep MTB terrain\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"754\" data-start=\"675\"\u003eThis is one of the widest MTB ranges available in Shimano’s 12-speed ecosystem.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"759\" data-start=\"756\"\u003e\r\n\u003ch2 data-end=\"776\" data-section-id=\"t4ytit\" data-start=\"761\"\u003eKey features\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"804\" data-section-id=\"47ewda\" data-start=\"778\"\u003eHyperglide+ technology\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"915\" data-start=\"805\"\u003e\r\n\t\u003cli data-end=\"837\" data-section-id=\"ye3tt8\" data-start=\"805\"\u003eallows \u003cstrong data-end=\"837\" data-start=\"814\"\u003eshifting under load\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"872\" data-section-id=\"10vbmld\" data-start=\"838\"\u003esmoother upshifts and downshifts\u003c\/li\u003e\r\n\t\u003cli data-end=\"915\" data-section-id=\"1slae9l\" data-start=\"873\"\u003ebetter chain engagement on rough terrain\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"948\" data-section-id=\"yl3vgn\" data-start=\"917\"\u003eSteel-dominant construction\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1077\" data-start=\"949\"\u003e\r\n\t\u003cli data-end=\"994\" data-section-id=\"fwoake\" data-start=\"949\"\u003emost sprockets are \u003cstrong data-end=\"994\" data-start=\"970\"\u003esteel for durability\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"1077\" data-section-id=\"9vg13b\" data-start=\"995\"\u003edesigned for long life in MTB conditions\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"1101\" data-section-id=\"7mkzpi\" data-start=\"1079\"\u003eBeam spider design\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1239\" data-start=\"1102\"\u003e\r\n\t\u003cli data-end=\"1146\" data-section-id=\"p683k2\" data-start=\"1102\"\u003ereduces weight compared to older cassettes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1239\" data-section-id=\"1ojda0\" data-start=\"1147\"\u003eincreases rigidity for better shifting consistency\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3 data-end=\"1274\" data-section-id=\"qrm3tf\" data-start=\"1241\"\u003eMicro Spline freehub required\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"1410\" data-start=\"1275\"\u003e\r\n\t\u003cli data-end=\"1318\" data-section-id=\"ffucag\" data-start=\"1275\"\u003especifically needed for the 10T small cog\u003c\/li\u003e\r\n\t\u003cli data-end=\"1410\" data-section-id=\"9ypqal\" data-start=\"1319\"\u003enot compatible with HG (8\/9\/10\/11-speed) freehubs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1415\" data-start=\"1412\"\u003e\r\n\u003ch2 data-end=\"1429\" data-section-id=\"ocxqwl\" data-start=\"1417\"\u003eRide feel\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1618\" data-start=\"1430\"\u003e\r\n\t\u003cli data-end=\"1489\" data-section-id=\"1m1cn97\" data-start=\"1430\"\u003every wide gearing (good for steep climbs + fast sections)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1527\" data-section-id=\"2ua37j\" data-start=\"1490\"\u003esmooth shifting even under pressure\u003c\/li\u003e\r\n\t\u003cli data-end=\"1571\" data-section-id=\"1dcujej\" data-start=\"1528\"\u003eslightly heavier than SLX\/XT\/XTR versions\u003c\/li\u003e\r\n\t\u003cli data-end=\"1618\" data-section-id=\"37p8qt\" data-start=\"1572\"\u003every “forgiving” setup for rough MTB terrain\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1623\" data-start=\"1620\"\u003e\r\n\u003ch2 data-end=\"1643\" data-section-id=\"1hx3z6s\" data-start=\"1625\"\u003eBest suited for\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1794\" data-start=\"1644\"\u003e\r\n\t\u003cli data-end=\"1663\" data-section-id=\"1ni7s0e\" data-start=\"1644\"\u003eXC mountain bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1677\" data-section-id=\"75pq64\" data-start=\"1664\"\u003etrail bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1714\" data-section-id=\"1tq29s4\" data-start=\"1678\"\u003ee-MTB builds (with compatible hub)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1758\" data-section-id=\"vxdijr\" data-start=\"1715\"\u003eriders needing \u003cstrong data-end=\"1758\" data-start=\"1732\"\u003emaximum climbing range\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"1794\" data-section-id=\"x98wq5\" data-start=\"1759\"\u003ebudget-friendly 12-speed upgrades\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1799\" data-start=\"1796\"\u003e\r\n\u003ch2 data-end=\"1808\" data-section-id=\"1xwciez\" data-start=\"1801\"\u003ePros\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1956\" data-start=\"1809\"\u003e\r\n\t\u003cli data-end=\"1835\" data-section-id=\"bqrwhm\" data-start=\"1809\"\u003ehuge gear range (10–51T)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1864\" data-section-id=\"1d7prb6\" data-start=\"1836\"\u003estrong climbing capability\u003c\/li\u003e\r\n\t\u003cli data-end=\"1894\" data-section-id=\"1uru4es\" data-start=\"1865\"\u003esmooth Hyperglide+ shifting\u003c\/li\u003e\r\n\t\u003cli data-end=\"1923\" data-section-id=\"1pdkhrr\" data-start=\"1895\"\u003edurable steel construction\u003c\/li\u003e\r\n\t\u003cli data-end=\"1956\" data-section-id=\"1bzyo8n\" data-start=\"1924\"\u003egood value for 12-speed system\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1961\" data-start=\"1958\"\u003e\r\n\u003ch2 data-end=\"1976\" data-section-id=\"1f14pki\" data-start=\"1963\"\u003eTrade-offs\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2132\" data-start=\"1977\"\u003e\r\n\t\u003cli data-end=\"2034\" data-section-id=\"bzwa1x\" data-start=\"1977\"\u003erequires Micro Spline hub (wheel upgrade may be needed)\u003c\/li\u003e\r\n\t\u003cli data-end=\"2079\" data-section-id=\"19itvn3\" data-start=\"2035\"\u003eheavier than higher-tier Shimano cassettes\u003c\/li\u003e\r\n\t\u003cli data-end=\"2132\" data-section-id=\"1kwqh8b\" data-start=\"2080\"\u003ewears faster than XT\/XTR due to more steel content\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2137\" data-start=\"2134\"\u003e\r\n\u003ch2 data-end=\"2153\" data-section-id=\"1msgxz8\" data-start=\"2139\"\u003eBottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2381\" data-start=\"2154\"\u003eThe Shimano CS-M6100 10–51T is a \u003cstrong data-end=\"2232\" data-start=\"2187\"\u003edurable, wide-range 12-speed MTB cassette\u003c\/strong\u003e that delivers excellent climbing ability and smooth Hyperglide+ shifting, making it one of the best value options for modern Deore 1x12 drivetrains.\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/section\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44932550099166,"sku":"CSM610012051","price":1895.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/14995_CS-M8100-12_10-51T_C260_1_750_750-600x600.jpg?v=1750177857","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/shimano-cassette-12spd-10-51t-deore","provider":"Online Bicycle Shop","version":"1.0","type":"link"}