{"product_id":"shimano-rdm8100-tension-guide-pulley-set","title":"Shimano Tension \u0026 Guide Pulley Set Rdm8100","description":"The \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eShimano RD-M8100 Tension \u0026amp; Guide Pulley Set\u003c\/span\u003e is a genuine replacement jockey wheel kit for Shimano \u003cstrong data-end=\"140\" data-start=\"96\"\u003eDeore XT M8100 12-speed rear derailleurs\u003c\/strong\u003e, used in modern MTB drivetrains.\r\n\u003cdiv\u003e \u003c\/div\u003e\r\n\r\n\u003cdiv\u003e\r\n\u003ch2 data-end=\"231\" data-section-id=\"qxmwqz\" data-start=\"217\"\u003eWhat it is\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"250\" data-start=\"232\"\u003eThis kit includes:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"332\" data-start=\"251\"\u003e\r\n\t\u003cli data-end=\"290\" data-section-id=\"l8a8qy\" data-start=\"251\"\u003e\u003cstrong data-end=\"290\" data-start=\"253\"\u003eGuide pulley (upper jockey wheel)\u003c\/strong\u003e\u003c\/li\u003e\r\n\t\u003cli data-end=\"332\" data-section-id=\"1tc4lrp\" data-start=\"291\"\u003e\u003cstrong data-end=\"332\" data-start=\"293\"\u003eTension pulley (lower jockey wheel)\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"366\" data-start=\"334\"\u003eIt is designed specifically for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"461\" data-start=\"367\"\u003e\r\n\t\u003cli data-end=\"398\" data-section-id=\"16jj0rh\" data-start=\"367\"\u003eShimano \u003cstrong data-end=\"398\" data-start=\"377\"\u003eDeore XT RD-M8100\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"430\" data-section-id=\"16jkk4f\" data-start=\"399\"\u003eShimano \u003cstrong data-end=\"430\" data-start=\"409\"\u003eDeore XT RD-M8120\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli data-end=\"461\" data-section-id=\"2v0adh\" data-start=\"431\"\u003e\u003cstrong data-end=\"461\" data-start=\"433\"\u003e12-speed MTB drivetrains\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"466\" data-start=\"463\"\u003e\r\n\u003ch2 data-end=\"484\" data-section-id=\"1urilu4\" data-start=\"468\"\u003eWhat it does\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"555\" data-start=\"485\"\u003eInside the rear derailleur cage, these pulleys control chain movement:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"772\" data-start=\"557\"\u003e\r\n\t\u003cli data-end=\"668\" data-section-id=\"1i16zpm\" data-start=\"557\"\u003e\n\u003cstrong data-end=\"575\" data-start=\"559\"\u003eGuide pulley\u003c\/strong\u003e\r\n\r\n\t\u003cul data-end=\"668\" data-start=\"578\"\u003e\r\n\t\t\u003cli data-end=\"632\" data-section-id=\"5gsg8q\" data-start=\"578\"\u003edirects the chain onto the correct cassette sprocket\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"668\" data-section-id=\"17c4a4b\" data-start=\"635\"\u003eensures accurate, fast shifting\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\t\u003cli data-end=\"772\" data-section-id=\"1j5h5ak\" data-start=\"670\"\u003e\n\u003cstrong data-end=\"690\" data-start=\"672\"\u003eTension pulley\u003c\/strong\u003e\r\n\t\u003cul data-end=\"772\" data-start=\"693\"\u003e\r\n\t\t\u003cli data-end=\"723\" data-section-id=\"9vjj5j\" data-start=\"693\"\u003ekeeps constant chain tension\u003c\/li\u003e\r\n\t\t\u003cli data-end=\"772\" data-section-id=\"1qfgjji\" data-start=\"726\"\u003estabilises the drivetrain over rough terrain\u003c\/li\u003e\r\n\t\u003c\/ul\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"795\" data-start=\"774\"\u003eTogether they ensure:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"902\" data-start=\"796\"\u003e\r\n\t\u003cli data-end=\"826\" data-section-id=\"1ax257o\" data-start=\"796\"\u003esmooth shifting under load\u003c\/li\u003e\r\n\t\u003cli data-end=\"857\" data-section-id=\"z4pgkt\" data-start=\"827\"\u003equiet drivetrain operation\u003c\/li\u003e\r\n\t\u003cli data-end=\"902\" data-section-id=\"wereek\" data-start=\"858\"\u003estable chain control on technical trails\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"907\" data-start=\"904\"\u003e\r\n\u003ch2 data-end=\"932\" data-section-id=\"ebosfz\" data-start=\"909\"\u003eKey characteristics\u003c\/h2\u003e\r\n\r\n\u003cul data-end=\"1198\" data-start=\"933\"\u003e\r\n\t\u003cli data-end=\"981\" data-section-id=\"ww11v\" data-start=\"933\"\u003eShimano OEM part (factory matched to XT M8100)\u003c\/li\u003e\r\n\t\u003cli data-end=\"1083\" data-section-id=\"1agxc8p\" data-start=\"982\"\u003e\n\u003cstrong data-end=\"1013\" data-start=\"984\"\u003eSealed precision bearings\u003c\/strong\u003e for low friction and durability\u003c\/li\u003e\r\n\t\u003cli data-end=\"1142\" data-section-id=\"1vig4q7\" data-start=\"1084\"\u003e12-speed specific tooth profile for modern narrow chains\u003c\/li\u003e\r\n\t\u003cli data-end=\"1198\" data-section-id=\"1ikfog4\" data-start=\"1143\"\u003eDirectional installation (must be oriented correctly)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1247\" data-start=\"1200\"\u003eShimano designs these pulleys specifically for:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1388\" data-start=\"1248\"\u003e\r\n\t\u003cli data-end=\"1270\" data-section-id=\"1klo9jd\" data-start=\"1248\"\u003ehigh-load MTB riding\u003c\/li\u003e\r\n\t\u003cli data-end=\"1296\" data-section-id=\"ds698q\" data-start=\"1271\"\u003emud and dust resistance\u003c\/li\u003e\r\n\t\u003cli data-end=\"1388\" data-section-id=\"1h8z37x\" data-start=\"1297\"\u003econsistent shifting performance in rough conditions\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1393\" data-start=\"1390\"\u003e\r\n\u003ch2 data-end=\"1414\" data-section-id=\"321yx1\" data-start=\"1395\"\u003eWhen to replace\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1452\" data-start=\"1415\"\u003eReplace the pulley set if you notice:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1579\" data-start=\"1453\"\u003e\r\n\t\u003cli data-end=\"1480\" data-section-id=\"1p1vuv0\" data-start=\"1453\"\u003erough or noisy drivetrain\u003c\/li\u003e\r\n\t\u003cli data-end=\"1512\" data-section-id=\"13lk80l\" data-start=\"1481\"\u003eslow or inconsistent shifting\u003c\/li\u003e\r\n\t\u003cli data-end=\"1543\" data-section-id=\"sh0ld5\" data-start=\"1513\"\u003evisibly hooked or worn teeth\u003c\/li\u003e\r\n\t\u003cli data-end=\"1579\" data-section-id=\"1olwygd\" data-start=\"1544\"\u003egritty bearing feel when spinning\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1584\" data-start=\"1581\"\u003e\r\n\u003ch2 data-end=\"1608\" data-section-id=\"8d8b6g\" data-start=\"1586\"\u003eCompatibility note\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"1642\" data-start=\"1609\"\u003eThis set is only compatible with:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1686\" data-start=\"1643\"\u003e\r\n\t\u003cli data-end=\"1686\" data-section-id=\"n2nnhm\" data-start=\"1643\"\u003eXT \u003cstrong data-end=\"1686\" data-start=\"1648\"\u003eM8100 \/ M8120 12-speed derailleurs\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1718\" data-start=\"1688\"\u003eIt is \u003cstrong data-end=\"1717\" data-start=\"1694\"\u003enot compatible with\u003c\/strong\u003e:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1808\" data-start=\"1719\"\u003e\r\n\t\u003cli data-end=\"1746\" data-section-id=\"1vc24gt\" data-start=\"1719\"\u003e11-speed XT M8000 systems\u003c\/li\u003e\r\n\t\u003cli data-end=\"1784\" data-section-id=\"1xc7pd8\" data-start=\"1747\"\u003eGRX or road 11\/12-speed derailleurs\u003c\/li\u003e\r\n\t\u003cli data-end=\"1808\" data-section-id=\"1utfuyk\" data-start=\"1785\"\u003eolder MTB drivetrains\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp data-end=\"1856\" data-start=\"1810\"\u003eShimano pulley systems are tightly matched to:\u003c\/p\u003e\r\n\r\n\u003cul data-end=\"1903\" data-start=\"1857\"\u003e\r\n\t\u003cli data-end=\"1870\" data-section-id=\"4wh58j\" data-start=\"1857\"\u003echain width\u003c\/li\u003e\r\n\t\u003cli data-end=\"1886\" data-section-id=\"hosvjm\" data-start=\"1871\"\u003ecage geometry\u003c\/li\u003e\r\n\t\u003cli data-end=\"1903\" data-section-id=\"thi790\" data-start=\"1887\"\u003espeed standard\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-end=\"1908\" data-start=\"1905\"\u003e\r\n\u003ch2 data-end=\"1925\" data-section-id=\"1g6g9c7\" data-start=\"1910\"\u003eBottom line\u003c\/h2\u003e\r\n\r\n\u003cp data-end=\"2126\" data-start=\"1926\"\u003eThe Shimano RD-M8100 pulley set is a \u003cstrong data-end=\"2028\" data-start=\"1963\"\u003eprecision OEM replacement kit for XT 12-speed MTB drivetrains\u003c\/strong\u003e, restoring smooth shifting, low noise, and reliable chain control for modern XC and trail riding.\u003c\/p\u003e\r\n\u003c\/div\u003e\r\n","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44932244865246,"sku":"Y3FW98010","price":215.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1242\/8790\/files\/15008_wpy3fw98010-pulley-set-rdm8100.jpg?v=1750177706","url":"https:\/\/onlino-bicycle-shopco.shop\/products\/shimano-rdm8100-tension-guide-pulley-set","provider":"Online Bicycle Shop","version":"1.0","type":"link"}