{"product_id":"t47-internal-bottom-bracket","title":"T47 Internal Bottom Bracket","description":"\u003cp class=\"gmail-p1\"\u003eWolf Tooth T47 Internal Bottom Brackets are engineered to be smooth, durable, lightweight, fast, and user-serviceable. Our ground-up design features custom bearings, seals, bushings, and cups, which eliminate creaking and balance best-in-class weather sealing with optimized bearing radial compression, alignment, and preload for low drag. They're available for 24mm Shimano, 29mm DUB, and 30mm spindle diameters for maximum compatibility, and four colors to match your other Wolf Tooth Color Shop components.\u003c\/p\u003e\n\u003cp class=\"gmail-p1\"\u003eThe bearings in Wolf Tooth Bottom Brackets feature a custom design. The balls and race are made from a hardened chrome bearing steel. This has a higher surface hardness than stainless, which improves the durability of bearing races and reduces spinning resistance and noise. An ACOSUR ZNA coating has also been applied to the race to provide corrosion resistance that is equal to or better than stainless steel after a 500-hour saltwater test. Bearing material paired with an extensive sealing system and the elimination of metal-on-metal contact means Wolf Tooth Bottom Brackets have superior performance in all conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"gmail-p1\"\u003eCompatible with 24mm, 29mm DUB, and 30mm spindle cranksets\u003c\/li\u003e\n\u003cli class=\"gmail-p1\"\u003eAdjustable-width sleeve fits 85.5mm - 92mm T47 Internal bottom bracket shells\u003c\/li\u003e\n\u003cli class=\"gmail-p1\"\u003eBest-in-class weather sealing protects bearings from water, mud, and debris\u003c\/li\u003e\n\u003cli class=\"gmail-p1\"\u003eCustom polymer spindle bushings eliminate creaking\u003c\/li\u003e\n\u003cli class=\"gmail-p1\"\u003eInstallation and removal with standard 52-16 spline tool\u003c\/li\u003e\n\u003cli\u003eReplacement parts and service guides available via Wolf Tooth Right to Repair\u003c\/li\u003e\n\u003cli\u003eEngineered, machined, and assembled at Wolf Tooth HQ in Minnesota, USA\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on the bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBottom brackets ship with the following shell and spindle spacers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2x 2.5mm shell spacers\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e24mm spindle • 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e29mm spindle • 2x 0.5mm, 2x 1mm, 3mm, 5mm, 7.5mm\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e30mm spindle • 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e85.5 - 92mm width T47 Internal bottom bracket shells\u003c\/li\u003e\n\u003cli\u003eBottom bracket bearings sit inside the frame, with tooled flange for installation and removal sitting outside the frame\u003c\/li\u003e\n\u003cli\u003eAdjustable-width internal sleeve fits 85.5mm - 92mm T47 Internal bottom bracket shells\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation and removal with standard 52-16 spline bottom bracket tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"PdpSqImgLinks\"\u003e\n\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/color-shop\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/ColorShop_Icon_076a0ed1-d684-47b3-9dd7-e0bb13561f8c_160x160.jpg?v=1747163023\" alt=\"Wolf Tooth color shop - choose color components for your bike\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003ca title=\"Right to Repair. Replacement parts are available for this Wolf Tooth product.\" href=\"\/products\/bottom-bracket-replacement-parts\"\u003e\u003cimg height=\"160\" width=\"160\" alt=\"Right to Repair. Replacement parts are available for this product.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/RIGHTtoREPAIR_logo_160x160.jpg?v=1649268782\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.wolftoothcomponents.com\/pages\/bottom-bracket-user-manual\" title=\"Bottom Bracket User Manual\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Bottom Bracket User Manual\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BB_User_Manual_160x160.jpg?v=1747752795\"\u003e\u003c\/a\u003e\u003ca title=\"Bottom Bracket Service Guide\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/bottom-bracket-service-guide\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Bottom Bracket Service Guide\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BB_Service_Guide_160x160.jpg?v=1747753302\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Bottom Bracket Finder\" href=\"https:\/\/www.wolftoothcomponents.com\/pages\/bottom-bracket-finder\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0230\/9291\/files\/BB_finder_160x160.jpg?v=1747764553\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTech Specs \u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeights:\u003c\/strong\u003e\u003cspan\u003e 24mm • 103g \u003c\/span\u003e\u003cspan\u003e|  29mm • 96g | 30mm • 91g \u003cmeta charset=\"utf-8\"\u003e(includes complete BB assembly without spacers) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003e6061-T6 Aluminum, Glass-filled Nylon, NBR, EPDM, Urethane, Bearing ball material is \u003cmeta charset=\"utf-8\"\u003eAISI 52100 chrome bearing steel hardened to Rc 61-66, Bearing race material is \u003cmeta charset=\"utf-8\"\u003eAISI 52100 chrome bearing steel hardened to Rc 60-65\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/p\u003e","brand":"Wolf Tooth Components","offers":[{"title":"29mm \/ Black","offer_id":44467954319536,"sku":"WBB-T47I-29-BLK","price":139.95,"currency_code":"USD","in_stock":false},{"title":"29mm \/ Blue","offer_id":44929054310576,"sku":"WBB-T47I-29-BLU","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Espresso","offer_id":44929054343344,"sku":"WBB-T47I-29-ESP","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Gold","offer_id":44929054376112,"sku":"WBB-T47I-29-GLD","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Olive","offer_id":44929054408880,"sku":"WBB-T47I-29-OLV","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Orange","offer_id":44929054441648,"sku":"WBB-T47I-29-ORG","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Ultraviolet Purple","offer_id":44929054474416,"sku":"WBB-T47I-29-PRU","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Raw Silver","offer_id":44929054507184,"sku":"WBB-T47I-29-RSIL","price":139.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ Red","offer_id":44929054539952,"sku":"WBB-T47I-29-RED","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Black","offer_id":44467954450608,"sku":"WBB-T47I-30-BLK","price":139.95,"currency_code":"USD","in_stock":false},{"title":"30mm \/ Blue","offer_id":44929054572720,"sku":"WBB-T47I-30-BLU","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Espresso","offer_id":44929054605488,"sku":"WBB-T47I-30-ESP","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Gold","offer_id":44929054638256,"sku":"WBB-T47I-30-GLD","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Olive","offer_id":44929054671024,"sku":"WBB-T47I-30-OLV","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Orange","offer_id":44929054703792,"sku":"WBB-T47I-30-ORG","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Ultraviolet Purple","offer_id":44929054736560,"sku":"WBB-T47I-30-PRU","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Raw Silver","offer_id":44929054769328,"sku":"WBB-T47I-30-RSIL","price":139.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ Red","offer_id":44929054802096,"sku":"WBB-T47I-30-RED","price":139.95,"currency_code":"USD","in_stock":true},{"title":"24mm \/ Black","offer_id":44467954188464,"sku":"WBB-T47I-24-BLK","price":139.95,"currency_code":"USD","in_stock":false},{"title":"24mm \/ Blue","offer_id":44929054048432,"sku":"WBB-T47I-24-BLU","price":139.95,"currency_code":"USD","in_stock":false},{"title":"24mm \/ Espresso","offer_id":44929054081200,"sku":"WBB-T47I-24-ESP","price":139.95,"currency_code":"USD","in_stock":false},{"title":"24mm \/ Gold","offer_id":44929054113968,"sku":"WBB-T47I-24-GLD","price":139.95,"currency_code":"USD","in_stock":false},{"title":"24mm \/ Olive","offer_id":44929054146736,"sku":"WBB-T47I-24-OLV","price":139.95,"currency_code":"USD","in_stock":false},{"title":"24mm \/ Orange","offer_id":44929054179504,"sku":"WBB-T47I-24-ORG","price":139.95,"currency_code":"USD","in_stock":true},{"title":"24mm \/ Ultraviolet Purple","offer_id":44929054212272,"sku":"WBB-T47I-24-PRU","price":139.95,"currency_code":"USD","in_stock":true},{"title":"24mm \/ Raw Silver","offer_id":44929054245040,"sku":"WBB-T47I-24-RSIL","price":139.95,"currency_code":"USD","in_stock":true},{"title":"24mm \/ Red","offer_id":44929054277808,"sku":"WBB-T47I-24-RED","price":139.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3356\/4336\/files\/WBB-T47I-30-ORG_a8a39e38-c9e6-4a5c-a6bc-78b9dc3615ad.jpg?v=1748198842","url":"https:\/\/reconmtb.com\/products\/t47-internal-bottom-bracket","provider":"Recon MTB","version":"1.0","type":"link"}