{"product_id":"rotor-shimano-smrt56-disc-180mm-6-bolt-resin","title":"Shimano Disc Rotor Sm-Rt56 180Mm 6 Bolt Resin","description":"\u003cp data-end=\"198\" data-start=\"0\"\u003eThe \u003cstrong data-end=\"60\" data-start=\"4\"\u003eShimano SM-RT56 180mm 6-Bolt Disc Rotor (Resin only)\u003c\/strong\u003e is a \u003cstrong data-end=\"89\" data-start=\"66\"\u003emid-level MTB rotor\u003c\/strong\u003e designed for stronger braking power, better heat management, and reliable performance on trail and XC bikes.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"245\" data-start=\"200\"\u003eShimano SM-RT56 180mm 6-Bolt Resin Disc Rotor\u003c\/p\u003e\r\n\r\n\u003ch2 data-end=\"307\" data-section-id=\"i0zii0\" data-start=\"294\"\u003eWhat it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"316\" data-start=\"308\"\u003eThis is:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"497\" data-start=\"317\"\u003e\r\n\t\u003cli data-end=\"347\" data-section-id=\"19s053a\" data-start=\"317\"\u003ea \u003cstrong data-end=\"347\" data-start=\"321\"\u003e180mm disc brake rotor\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"398\" data-section-id=\"1s0p7oj\" data-start=\"348\"\u003euses the \u003cstrong data-end=\"398\" data-start=\"359\"\u003e6-bolt international standard mount\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"456\" data-section-id=\"108zful\" data-start=\"399\"\u003epart of Shimano’s \u003cstrong data-end=\"456\" data-start=\"419\"\u003eDeore-level rotor range (SM-RT56)\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"497\" data-section-id=\"32029a\" data-start=\"457\"\u003edesigned for \u003cstrong data-end=\"497\" data-start=\"472\"\u003eresin brake pads only\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"502\" data-start=\"499\"\u003e\r\n\u003ch2 data-end=\"519\" data-section-id=\"t4ytit\" data-start=\"504\"\u003eKey features\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"546\" data-section-id=\"13k0906\" data-start=\"521\"\u003eResin pad only design\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"668\" data-start=\"547\"\u003e\r\n\t\u003cli data-end=\"576\" data-section-id=\"mwarag\" data-start=\"547\"\u003eoptimized for quiet braking\u003c\/li\u003e\r\n\t\u003cli data-end=\"596\" data-section-id=\"s0jlc8\" data-start=\"577\"\u003esmooth modulation\u003c\/li\u003e\r\n\t\u003cli data-end=\"668\" data-section-id=\"501qrg\" data-start=\"597\"\u003ereduced vibration and noise\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"673\" data-start=\"670\"\u003e\r\n\u003ch3 data-end=\"701\" data-section-id=\"1x2j64g\" data-start=\"675\"\u003e6-bolt mounting system\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"787\" data-start=\"702\"\u003e\r\n\t\u003cli data-end=\"730\" data-section-id=\"vg6ptp\" data-start=\"702\"\u003esecured with 6 rotor bolts\u003c\/li\u003e\r\n\t\u003cli data-end=\"757\" data-section-id=\"7v2dkt\" data-start=\"731\"\u003every common MTB standard\u003c\/li\u003e\r\n\t\u003cli data-end=\"787\" data-section-id=\"1vhwxqi\" data-start=\"758\"\u003eeasy to install and service\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"792\" data-start=\"789\"\u003e\r\n\u003ch3 data-end=\"826\" data-section-id=\"1xrxms8\" data-start=\"794\"\u003eStainless steel construction\u003c\/h3\u003e\r\n\r\n\u003cul data-end=\"935\" data-start=\"827\"\u003e\r\n\t\u003cli data-end=\"852\" data-section-id=\"1wu4jse\" data-start=\"827\"\u003edurable braking surface\u003c\/li\u003e\r\n\t\u003cli data-end=\"892\" data-section-id=\"kaosye\" data-start=\"853\"\u003egood heat resistance for trail riding\u003c\/li\u003e\r\n\t\u003cli data-end=\"935\" data-section-id=\"1dd8k1f\" data-start=\"893\"\u003econsistent braking in wet\/dry conditions\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"940\" data-start=\"937\"\u003e\r\n\u003ch3 data-end=\"966\" data-section-id=\"1hg5629\" data-start=\"942\"\u003e180mm size advantage\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"1005\" data-start=\"967\"\u003eCompared to 160mm rotors, 180mm gives:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1088\" data-start=\"1006\"\u003e\r\n\t\u003cli data-end=\"1026\" data-section-id=\"19ct5dk\" data-start=\"1006\"\u003emore braking power\u003c\/li\u003e\r\n\t\u003cli data-end=\"1052\" data-section-id=\"1dex0dl\" data-start=\"1027\"\u003ebetter heat dissipation\u003c\/li\u003e\r\n\t\u003cli data-end=\"1088\" data-section-id=\"10my4pz\" data-start=\"1053\"\u003eimproved control on long descents\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1152\" data-start=\"1090\"\u003e(Important: it increases braking torque due to larger radius.)\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"1191\" data-start=\"1154\"\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\u003cmi\u003eτ\u003c\/mi\u003e\u003cmo\u003e=\u003c\/mo\u003e\u003cmi\u003eF\u003c\/mi\u003e\u003cmo\u003e×\u003c\/mo\u003e\u003cmi\u003er\u003c\/mi\u003e\u003c\/mrow\u003e\u003cannotation encoding=\"application\/x-tex\"\u003e\\tau = F \\times r\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 mathnormal\"\u003eτ\u003c\/span\u003e\u003cspan class=\"mrel\"\u003e=\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord mathnormal\"\u003eF\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e×\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord mathnormal\"\u003er\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"1199\" data-start=\"1193\"\u003eWhere:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1324\" data-start=\"1200\"\u003e\r\n\t\u003cli data-end=\"1232\" data-section-id=\"1g0g55u\" data-start=\"1200\"\u003e\n\u003cstrong data-end=\"1213\" data-start=\"1202\"\u003eτ (tau)\u003c\/strong\u003e = braking torque\u003c\/li\u003e\r\n\t\u003cli data-end=\"1271\" data-section-id=\"kes5pe\" data-start=\"1233\"\u003e\n\u003cstrong data-end=\"1240\" data-start=\"1235\"\u003eF\u003c\/strong\u003e = braking force from caliper\u003c\/li\u003e\r\n\t\u003cli data-end=\"1324\" data-section-id=\"1uqdsb9\" data-start=\"1272\"\u003e\n\u003cstrong data-end=\"1279\" data-start=\"1274\"\u003er\u003c\/strong\u003e = rotor radius (180mm \u0026gt; 160mm → more torque)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1329\" data-start=\"1326\"\u003e\r\n\u003ch2 data-end=\"1343\" data-section-id=\"ocxqwl\" data-start=\"1331\"\u003eRide feel\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1509\" data-start=\"1344\"\u003e\r\n\t\u003cli data-end=\"1393\" data-section-id=\"ycz0ah\" data-start=\"1344\"\u003enoticeably stronger braking than 160mm rotors\u003c\/li\u003e\r\n\t\u003cli data-end=\"1431\" data-section-id=\"jm3cta\" data-start=\"1394\"\u003ebetter for steep or long descents\u003c\/li\u003e\r\n\t\u003cli data-end=\"1472\" data-section-id=\"63420j\" data-start=\"1432\"\u003esmoother and more controlled braking\u003c\/li\u003e\r\n\t\u003cli data-end=\"1509\" data-section-id=\"1x7818j\" data-start=\"1473\"\u003eless fade under repeated braking\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1514\" data-start=\"1511\"\u003e\r\n\u003ch2 data-end=\"1534\" data-section-id=\"1hx3z6s\" data-start=\"1516\"\u003eBest suited for\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1698\" data-start=\"1535\"\u003e\r\n\t\u003cli data-end=\"1562\" data-section-id=\"1r9wzi6\" data-start=\"1535\"\u003eXC and trail MTB riding\u003c\/li\u003e\r\n\t\u003cli data-end=\"1597\" data-section-id=\"1ljgvwb\" data-start=\"1563\"\u003eheavier riders or loaded bikes\u003c\/li\u003e\r\n\t\u003cli data-end=\"1640\" data-section-id=\"1rmjdky\" data-start=\"1598\"\u003efront brake upgrades (very common use)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1698\" data-section-id=\"1hpqjdn\" data-start=\"1641\"\u003ee-bike or aggressive recreational riding (light duty)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1703\" data-start=\"1700\"\u003e\r\n\u003ch2 data-end=\"1712\" data-section-id=\"1xwciez\" data-start=\"1705\"\u003ePros\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1883\" data-start=\"1713\"\u003e\r\n\t\u003cli data-end=\"1737\" data-section-id=\"4wls72\" data-start=\"1713\"\u003estrong braking power\u003c\/li\u003e\r\n\t\u003cli data-end=\"1780\" data-section-id=\"50ibpm\" data-start=\"1738\"\u003egood heat management vs smaller rotors\u003c\/li\u003e\r\n\t\u003cli data-end=\"1812\" data-section-id=\"rw8eif\" data-start=\"1781\"\u003equiet resin-pad performance\u003c\/li\u003e\r\n\t\u003cli data-end=\"1847\" data-section-id=\"z88edw\" data-start=\"1813\"\u003ereliable Shimano build quality\u003c\/li\u003e\r\n\t\u003cli data-end=\"1883\" data-section-id=\"husytr\" data-start=\"1848\"\u003ewidely compatible 6-bolt system\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1888\" data-start=\"1885\"\u003e\r\n\u003ch2 data-end=\"1903\" data-section-id=\"1f14pki\" data-start=\"1890\"\u003eTrade-offs\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2090\" data-start=\"1904\"\u003e\r\n\t\u003cli data-end=\"1948\" data-section-id=\"158svle\" data-start=\"1904\"\u003emust use resin pads only (no metal pads)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1988\" data-section-id=\"1vwwcir\" data-start=\"1949\"\u003eheavier than entry-level RT54 rotor\u003c\/li\u003e\r\n\t\u003cli data-end=\"2045\" data-section-id=\"912vnv\" data-start=\"1989\"\u003enot as heat-resistant as Ice-Tech or floating rotors\u003c\/li\u003e\r\n\t\u003cli data-end=\"2090\" data-section-id=\"azo0ut\" data-start=\"2046\"\u003emay require frame\/fork clearance adapter\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2095\" data-start=\"2092\"\u003e\r\n\u003ch2 data-end=\"2111\" data-section-id=\"1msgxz8\" data-start=\"2097\"\u003eBottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"245\" data-start=\"200\"\u003e \u003c\/p\u003e\r\n\r\n\u003cp data-end=\"2361\" data-start=\"2112\"\u003eThe Shimano SM-RT56 180mm 6-bolt rotor is a \u003cstrong data-end=\"2254\" data-start=\"2156\"\u003ereliable mid-range brake rotor that prioritizes stronger braking power and better heat control\u003c\/strong\u003e, making it a solid upgrade for trail riders or anyone needing more stopping confidence than a 160mm setup.\u003c\/p\u003e\r\n","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44932639260894,"sku":"SMRT56MC","price":430.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/15068_61kwzTOpmeL_AC_UF1000_1000_QL80.jpg?v=1779376803","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/rotor-shimano-smrt56-disc-180mm-6-bolt-resin","provider":"Online Bicycle Shop","version":"1.0","type":"link"}