{"product_id":"park-tool-bbt-135-12-heavy-duty-steel-bottom-bracket-tool-12-notch-46-3mm-50mm","title":"Park Tool BBT-135-12 Heavy Duty Steel 12-Notch Bottom Bracket Tool 48-50mm","description":"\u003cp\u003eThe \u003cstrong\u003ePark Tool BBT-135-12 Heavy Duty Steel Bottom Bracket Tool\u003c\/strong\u003e is engineered for precision and durability, making it essential for any professional workshop. Crafted from high-quality 4140 steel, this tool is designed to handle the toughest bottom bracket components with ease. Its 12-notch configuration fits external diameters ranging from 48 to 50 mm, ensuring compatibility with a wide range of threaded bottom bracket tool fittings, including Praxis Works M30 units.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing an extra-deep body, the BBT-135-12 accommodates wide spindles and recessed lockrings, allowing you to work effectively on components that require deeper engagement. The tool offers three versatile engagement methods: a 3\/8 inch drive fitting, a 1 inch socket fitting, and 36 mm spanner flats. This flexibility empowers you to tackle even the most stubborn, seized components with confidence and control.\u003c\/p\u003e\n\n\u003cp\u003eFor enhanced stability during use, the tool integrates threads compatible with the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (sold separately). This system securely anchors the tool in place, reducing slippage and improving safety during demanding tasks. While the BBT-135-12 is primarily designed for extraction, Park Tool recommends using their non-marking aluminum BB tools for installation to protect your components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoving and installing select 12-notch threaded bottom bracket components with diameters between 48–50 mm\u003c\/li\u003e\n  \u003cli\u003eHandling extra-wide spindles and recessed lockrings thanks to its extra-deep body design\u003c\/li\u003e\n  \u003cli\u003eProviding multiple engagement options (3\/8 inch drive, 1 inch socket, and 36 mm spanner flats) for versatile workshop use\u003c\/li\u003e\n  \u003cli\u003eSecuring the tool firmly during use with compatible retaining systems for safer, more efficient work\u003c\/li\u003e\n  \u003cli\u003eEnsuring long-lasting performance backed by Park Tool’s legendary limited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with impact drivers, as the tool is not designed to withstand impact forces\u003c\/li\u003e\n  \u003cli\u003eInstallation tasks without the recommended non-marking aluminum BB tools\u003c\/li\u003e\n  \u003cli\u003eBottom brackets or components outside the specified 12-notch, 48–50 mm diameter range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tool compatible with all bottom brackets?\u003c\/strong\u003e\u003cbr\u003eThe BBT-135-12 is designed specifically for 12-notch threaded bottom bracket tool fittings with external diameters between 48 and 50 mm. It is compatible with Praxis Works M30 units but not suitable for all bottom bracket styles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this tool with an impact driver?\u003c\/strong\u003e\u003cbr\u003eNo, this tool is not intended for impact-driver use. Using it with an impact driver could damage the tool or the components.\u003c\/p\u003e","brand":"Park Tool","offers":[{"title":"Black \/ One size","offer_id":46885381177519,"sku":"QKBBT13512","price":47.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/qkbbt13512.jpg?v=1778143920","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/park-tool-bbt-135-12-heavy-duty-steel-bottom-bracket-tool-12-notch-46-3mm-50mm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}