{"product_id":"bbt-169-steel-bottom-bracket-lockring-tool","title":"BBT-169 Steel Bottom Bracket \/ Lockring Tool","description":"\u003cp\u003eThe Park Tool BBT-169 Steel Bottom Bracket \/ Lockring Tool is a heavy-duty 4140 steel workshop tool for removal and installation of components with 16-notch tool fittings, covering threaded bottom bracket cups, center lock disc brake rotor lockrings, and e-bike motor lockrings. The BBT-169 fits 16-notch fittings with a major diameter of 44–45mm and a minor diameter of 42.7mm, encompassing Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups, as well as cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM\/Truvativ GXP, Race Face X-type, Surly, and others. Center lock disc brake rotor lockrings and Bafang BBSH and BBS02 mid-drive motor lockrings are also within its scope, making the BBT-169 one of the broadest-application tools in the Park Tool bottom bracket range. The extra-deep body handles extra-wide spindles, low-profile walls seat into recessed lockrings, and three drive options — 3\/8\" drive, 1\" hex, and 36mm wrench flats — address seized components across the full compatibility list. Integrated threads accept the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (each sold separately).\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eMachined from 4140 steel for heavy-duty workshop use\u003c\/li\u003e\n\u003cli\u003eFits 16-notch tool fittings with a major diameter of 44–45mm and a minor diameter of 42.7mm\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups\u003c\/li\u003e\n\u003cli\u003eAlso fits cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM\/Truvativ GXP, Race Face X-type, Surly, and others\u003c\/li\u003e\n\u003cli\u003eSeats center lock disc brake rotor lockrings\u003c\/li\u003e\n\u003cli\u003eFits Bafang BBSH and BBS02 mid-drive motor lockrings\u003c\/li\u003e\n\u003cli\u003eExtra-deep body accommodates extra-wide spindles\u003c\/li\u003e\n\u003cli\u003eLow-profile walls at the point of engagement reach recessed lockrings\u003c\/li\u003e\n\u003cli\u003eThree drive options: 3\/8\" drive fitting, 1\" hex fitting, and 36mm wrench flats\u003c\/li\u003e\n\u003cli\u003eOuter diameter at point of engagement: 50.04mm (1.97\")\u003c\/li\u003e\n\u003cli\u003eInternal clearance: 42mm (1.654\") depth x 30.44mm (1.198\") diameter\u003c\/li\u003e\n\u003cli\u003eIntegrated threads accept Park Tool BBT-RS or GPS-1 Guide Pins for added stability (each sold separately)\u003c\/li\u003e\n\u003cli\u003eNot rated for use with impact drivers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Park Tool","offers":[{"title":"Default Title","offer_id":49682342969592,"sku":"BBT-169","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0357\/3930\/4074\/files\/TL2411.jpg?v=1782665445","url":"https:\/\/shopbikesupply.com\/products\/bbt-169-steel-bottom-bracket-lockring-tool","provider":"Sierra Bicycle Supply","version":"1.0","type":"link"}