{"product_id":"park-tool-bbt-147-12-heavy-duty-steel-bottom-bracket-tool-12-notch-50mm-53mm","title":"Park Tool BBT-147-12 Heavy Duty Steel Bottom Bracket Tool 12-Notch 50-53mm","description":"\u003cp\u003eThe \u003cstrong\u003ePark Tool BBT-147-12 Heavy Duty Steel Bottom Bracket Tool\u003c\/strong\u003e is expertly crafted from precision-machined 4140 steel to deliver exceptional strength and durability for workshop use. Designed to fit twelve-notch bottom brackets with diameters between 50mm and 53mm, this tool tackles even the most stubborn bicycle components with ease. Its extra-deep body accommodates extra-wide spindles while the low-profile walls at the engagement point enable access to recessed lockrings without damaging surrounding surfaces.\u003c\/p\u003e\n\n\u003cp\u003eEquipped with three versatile methods of engagement—a 3\/8 inch drive fitting, a 1 inch socket fitting, and 36 mm spanner flats—the BBT-147-12 offers unmatched flexibility, allowing you to work efficiently on a wide range of bottom bracket types. For enhanced stability during use, it includes integrated threads compatible with the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (sold separately), ensuring the tool remains securely anchored while you work.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with high-performance bottom brackets such as Chris King Threadfit 30, T47, BBInfinite T47, Rotor T47, BBright, BB30, BB386EVO, and thread-together PF30, this tool is ideal for extraction tasks. For installation, Park Tool recommends using their non-marking aluminium bottom bracket tools to prevent damage. Backed by Park Tool’s legendary limited lifetime warranty, the BBT-147-12 is a reliable addition to any professional or enthusiast workshop.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEfficient removal of a wide variety of 12-notch bottom brackets, including Chris King Threadfit 30 and Rotor T47 models\u003c\/li\u003e\n  \u003cli\u003eDurable 4140 steel construction provides long-lasting performance under heavy use\u003c\/li\u003e\n  \u003cli\u003eMultiple engagement options (3\/8 inch drive, 1 inch socket, 36 mm spanner flats) for versatile application\u003c\/li\u003e\n  \u003cli\u003eExtra-deep body design accommodates wider spindles and recessed lockrings without damage\u003c\/li\u003e\n  \u003cli\u003eCompatibility with Park Tool’s BBT-RS Retaining System and GPS-1 Guide Pins for stable, precise work\u003c\/li\u003e\n  \u003cli\u003eBacked by Park Tool’s limited lifetime warranty, ensuring peace of mind and dependable quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot recommended for installation—use non-marking aluminium tools for assembly to avoid damage\u003c\/li\u003e\n  \u003cli\u003eNot intended for use with impact drivers, which can damage the tool and components\u003c\/li\u003e\n  \u003cli\u003eLimited to bottom brackets with 12-notch interface and 50-53mm size range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan this tool be used for installing bottom brackets?\u003c\/strong\u003e\u003cbr\u003eThe BBT-147-12 is designed primarily for extraction. For installation, Park Tool recommends their non-marking aluminium bottom bracket tools to protect the component surfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tool compatible with all T47 bottom brackets?\u003c\/strong\u003e\u003cbr\u003eIt fits select T47 bottom brackets including Chris King Threadfit 30 and Rotor T47 models, but be sure to verify your specific bottom bracket compatibility before use.\u003c\/p\u003e","brand":"Park Tool","offers":[{"title":"Black \/ One size","offer_id":46885382750383,"sku":"QKBBT14712","price":47.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/qkbbt14712.jpg?v=1778143959","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/park-tool-bbt-147-12-heavy-duty-steel-bottom-bracket-tool-12-notch-50mm-53mm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}