{"product_id":"shimano-bb-mt501-r-l-threaded","title":"Shimano Bottom Bracket-MT501 R\u0026L Threaded","description":"\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"d778ad97-825c-4c49-8f99-b3bdc80afef2\"\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-(--sticky-padding-top)\" data-testid=\"conversation-turn-225\" data-turn=\"user\" data-turn-id=\"d778ad97-825c-4c49-8f99-b3bdc80afef2\" data-turn-id-container=\"d778ad97-825c-4c49-8f99-b3bdc80afef2\" dir=\"auto\"\u003e \u003c\/section\u003e\r\n\u003c\/div\u003e\r\n\r\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a28288b-054c-83ea-b07b-e48aca379287-20\"\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-testid=\"conversation-turn-226\" data-turn=\"assistant\" data-turn-id=\"request-6a28288b-054c-83ea-b07b-e48aca379287-20\" data-turn-id-container=\"request-6a28288b-054c-83ea-b07b-e48aca379287-20\" 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\" data-conversation-screenshot-content=\"\"\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=\"9f564ec1-00a5-4ae5-9d0f-9dc327f18d0c\" 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=\"44\" data-section-id=\"1b6d2sn\" data-start=\"0\"\u003eShimano Bottom Bracket MT501 R\u0026amp;L Threaded\u003c\/h2\u003e\r\n\r\n\u003ch3 data-end=\"61\" data-section-id=\"c32iwk\" data-start=\"46\"\u003eWhat Is It?\u003c\/h3\u003e\r\n\r\n\u003cp data-end=\"279\" data-start=\"62\"\u003eThe \u003cstrong data-end=\"99\" data-start=\"66\"\u003eShimano BB-MT501 R\u0026amp;L Threaded\u003c\/strong\u003e is a \u003cstrong data-end=\"150\" data-start=\"105\"\u003eHollowtech II external cup bottom bracket\u003c\/strong\u003e designed to connect Shimano MTB cranksets (with a 24mm spindle) to a bicycle frame with a \u003cstrong data-end=\"278\" data-start=\"241\"\u003eBSA threaded bottom bracket shell\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"407\" data-start=\"281\"\u003eIt includes both the \u003cstrong data-end=\"339\" data-start=\"302\"\u003eright and left bearing cups (R\u0026amp;L)\u003c\/strong\u003e and is part of Shimano’s \u003cstrong data-end=\"406\" data-start=\"365\"\u003eDeore-level MTB drivetrain components\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\u003cp data-end=\"502\" data-start=\"409\"\u003eThis bottom bracket is commonly used on \u003cstrong data-end=\"501\" data-start=\"449\"\u003emountain bikes, gravel bikes, and trekking bikes\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\u003chr data-end=\"507\" data-start=\"504\"\u003e\r\n\u003ch2 data-end=\"524\" data-section-id=\"1ma7m6t\" data-start=\"509\"\u003eKey Features\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"951\" data-start=\"525\"\u003e\r\n\t\u003cli data-end=\"584\" data-section-id=\"gdu1np\" data-start=\"525\"\u003eGenuine Shimano \u003cstrong data-end=\"584\" data-start=\"543\"\u003eHollowtech II external bearing system\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"626\" data-section-id=\"burw3c\" data-start=\"585\"\u003e\u003cstrong data-end=\"626\" data-start=\"587\"\u003eThreaded BSA (English) installation\u003c\/strong\u003e\u003c\/li\u003e\r\n\t\u003cli data-end=\"675\" data-section-id=\"nrm47x\" data-start=\"627\"\u003eCompatible with \u003cstrong data-end=\"675\" data-start=\"645\"\u003e68mm and 73mm frame shells\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"727\" data-section-id=\"1d9s9m0\" data-start=\"676\"\u003eSealed cartridge bearings for improved durability\u003c\/li\u003e\r\n\t\u003cli data-end=\"774\" data-section-id=\"xdrl14\" data-start=\"728\"\u003eSmooth rotation and efficient power transfer\u003c\/li\u003e\r\n\t\u003cli data-end=\"822\" data-section-id=\"1lns9xa\" data-start=\"775\"\u003eImproved sealing against mud, water, and dust\u003c\/li\u003e\r\n\t\u003cli data-end=\"863\" data-section-id=\"dv6vke\" data-start=\"823\"\u003eWorks with Shimano 24mm crank spindles\u003c\/li\u003e\r\n\t\u003cli data-end=\"915\" data-section-id=\"1v3790\" data-start=\"864\"\u003eIncludes spacers for correct drivetrain alignment\u003c\/li\u003e\r\n\t\u003cli data-end=\"951\" data-section-id=\"l1gj4\" data-start=\"916\"\u003eDesigned for MTB and trekking use\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"956\" data-start=\"953\"\u003e\r\n\u003ch2 data-end=\"975\" data-section-id=\"1a3ueyz\" data-start=\"958\"\u003eSpecifications\u003c\/h2\u003e\r\n\r\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\r\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\r\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"1409\" data-start=\"977\"\u003e\r\n\t\u003cthead data-end=\"1004\" data-start=\"977\"\u003e\r\n\t\t\u003ctr data-end=\"1004\" data-start=\"977\"\u003e\r\n\t\t\t\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"993\" data-start=\"977\"\u003eSpecification\u003c\/th\u003e\r\n\t\t\t\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"1004\" data-start=\"993\"\u003eDetails\u003c\/th\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/thead\u003e\r\n\t\u003ctbody data-end=\"1409\" data-start=\"1031\"\u003e\r\n\t\t\u003ctr data-end=\"1080\" data-start=\"1031\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1039\" data-start=\"1031\"\u003eBrand\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1080\" data-start=\"1039\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eShimano\u003c\/span\u003e\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1101\" data-start=\"1081\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1089\" data-start=\"1081\"\u003eModel\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1101\" data-start=\"1089\"\u003eBB-MT501\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1140\" data-start=\"1102\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1109\" data-start=\"1102\"\u003eType\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1140\" data-start=\"1109\"\u003eExternal cup bottom bracket\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1167\" data-start=\"1141\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1150\" data-start=\"1141\"\u003eSystem\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1167\" data-start=\"1150\"\u003eHollowtech II\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1207\" data-start=\"1168\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1186\" data-start=\"1168\"\u003eThread Standard\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1207\" data-start=\"1186\"\u003eBSA (1.37” x 24T)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1251\" data-start=\"1208\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1236\" data-start=\"1208\"\u003eShell Width Compatibility\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1251\" data-start=\"1236\"\u003e68mm \/ 73mm\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1295\" data-start=\"1252\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1273\" data-start=\"1252\"\u003eAxle Compatibility\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1295\" data-start=\"1273\"\u003e24mm crank spindle\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1327\" data-start=\"1296\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1307\" data-start=\"1296\"\u003eBearings\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1327\" data-start=\"1307\"\u003eSealed cartridge\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1377\" data-start=\"1328\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1339\" data-start=\"1328\"\u003eMaterial\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1377\" data-start=\"1339\"\u003eAluminium cups + resin spacer tube\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr data-end=\"1409\" data-start=\"1378\"\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1384\" data-start=\"1378\"\u003eUse\u003c\/td\u003e\r\n\t\t\t\u003ctd data-col-size=\"sm\" data-end=\"1409\" data-start=\"1384\"\u003eMTB, gravel, trekking\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\r\n\u003chr data-end=\"1414\" data-start=\"1411\"\u003e\r\n\u003ch2 data-end=\"1431\" data-section-id=\"xrf996\" data-start=\"1416\"\u003e \u003c\/h2\u003e\r\n\r\n\u003chr data-end=\"1757\" data-start=\"1754\"\u003e\r\n\u003ch2 data-end=\"1785\" data-section-id=\"13o4ft3\" data-start=\"1759\"\u003eWho Is It Suitable For?\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2058\" data-start=\"1787\"\u003e\r\n\t\u003cli data-end=\"1836\" data-section-id=\"13szh5y\" data-start=\"1787\"\u003eMountain bikers (XC, trail, light all-mountain)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1887\" data-section-id=\"kim68y\" data-start=\"1837\"\u003eGravel riders using Shimano Hollowtech II cranks\u003c\/li\u003e\r\n\t\u003cli data-end=\"1920\" data-section-id=\"1v815ki\" data-start=\"1888\"\u003eTrekking and commuter cyclists\u003c\/li\u003e\r\n\t\u003cli data-end=\"1960\" data-section-id=\"1fz7dvu\" data-start=\"1921\"\u003eRiders replacing worn bottom brackets\u003c\/li\u003e\r\n\t\u003cli data-end=\"2011\" data-section-id=\"xnnkcb\" data-start=\"1961\"\u003eBike mechanics servicing Shimano MTB drivetrains\u003c\/li\u003e\r\n\t\u003cli data-end=\"2058\" data-section-id=\"o73mbb\" data-start=\"2012\"\u003eRiders with 68mm or 73mm BSA threaded frames\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"2063\" data-start=\"2060\"\u003e\r\n\u003ch2 data-end=\"2086\" data-section-id=\"10v8nod\" data-start=\"2065\"\u003eWho Should Use It?\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"2454\" data-start=\"2088\"\u003e\r\n\t\u003cli data-end=\"2155\" data-section-id=\"5bak6x\" data-start=\"2088\"\u003eRiders using Shimano \u003cstrong data-end=\"2155\" data-start=\"2111\"\u003eDeore \/ SLX \/ XT Hollowtech II cranksets\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"2212\" data-section-id=\"qn6tka\" data-start=\"2156\"\u003eCyclists needing a reliable replacement bottom bracket\u003c\/li\u003e\r\n\t\u003cli data-end=\"2283\" data-section-id=\"4hqwnd\" data-start=\"2213\"\u003eMTB riders wanting improved sealing and durability over older models\u003c\/li\u003e\r\n\t\u003cli data-end=\"2338\" data-section-id=\"fcmelg\" data-start=\"2284\"\u003eRiders experiencing creaking or rough pedal rotation\u003c\/li\u003e\r\n\t\u003cli data-end=\"2396\" data-section-id=\"1k2kklb\" data-start=\"2339\"\u003eCommuters needing low-maintenance drivetrain components\u003c\/li\u003e\r\n\t\u003cli data-end=\"2454\" data-section-id=\"12uzqkp\" data-start=\"2397\"\u003eAnyone upgrading from older or worn threaded BB systems\u003c\/li\u003e\r\n\u003c\/ul\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","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44700882927838,"sku":"BBMT501B","price":395.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/15006_shimano-bottom-bracket-bb-mt501-r-l-adapter-68-73m.jpg?v=1750176599","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/shimano-bb-mt501-r-l-threaded","provider":"Online Bicycle Shop","version":"1.0","type":"link"}