{"product_id":"park-tool-bbt-135-12-steel-bottom-bracket-tool","title":"Park Tool BBT-135-12 Steel Bottom Bracket Tool","description":"The Park Tool BBT-135-12 Steel Bottom Bracket Tool is a heavy-duty workshop tool machined from precision 4140 steel for removal and installation of threaded bottom brackets with 12-notch tool fittings. The BBT-135-12 fits 12-notch fittings with a major diameter of 48–50mm and a minor diameter of 46.3mm including Praxis Works M30 bottom brackets — a standard found across a wide range of contemporary road and gravel drivetrains. The extra-deep body handles extra-wide spindles and low-profile walls at the engagement point seat into recessed lockrings that standard-depth tools miss. Three drive options — 3\/8\" drive 1\" hex and 36mm wrench flats — handle even heavily seized cups and integrated threads in the tool body accept the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (each sold separately) for improved stability during service.\u003cli\u003eMachined from 4140 steel for heavy-duty workshop use\u003c\/li\u003e\u003cli\u003eFits 12-notch threaded bottom bracket tool fittings with a major diameter of 48–50mm and a minor diameter of 46.3mm\u003c\/li\u003e\u003cli\u003eCompatible with Praxis Works M30 bottom brackets\u003c\/li\u003e\u003cli\u003eExtra-deep body accommodates extra-wide spindles\u003c\/li\u003e\u003cli\u003eLow-profile walls at the point of engagement reach recessed lockrings\u003c\/li\u003e\u003cli\u003eThree drive options: 3\/8\" drive fitting 1\" hex fitting and 36mm wrench flats\u003c\/li\u003e\u003cli\u003eOuter diameter at point of engagement: 57.5mm (2.264\")\u003c\/li\u003e\u003cli\u003eInternal clearance: 42mm (1.654\") depth x 30.44mm (1.198\") diameter\u003c\/li\u003e\u003cli\u003eIntegrated threads accept Park Tool BBT-RS or GPS-1 Guide Pins for added stability (each sold separately)\u003c\/li\u003e\u003cli\u003eNot rated for use with impact drivers\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSteel Bottom Bracket Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBBT\u003c\/td\u003e\n\u003ctd\u003e135-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003eBottom Bracket Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e","brand":"Park Tool","offers":[{"title":"Default Title","offer_id":46432364167318,"sku":"B-PK5852","price":52.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/9912\/2326\/files\/025273366dce38663229a86e9432a953f4df671f.jpg?v=1782381664","url":"https:\/\/www.seattleelectricbike.net\/products\/park-tool-bbt-135-12-steel-bottom-bracket-tool","provider":"Seattle Electric Bike","version":"1.0","type":"link"}