{"product_id":"seat-pop-pin-size-knob-2-154mm-thread-pin-m16-5-8","title":"Indoor Cycle - Upright and Recumbent Bike - Cable Gyms and Freeweight Bench - Seat Pop Pin Size Knob 2.1\"(54mm)- Thread Pin M16 (5-8\")","description":"\u003cp\u003e\u003cstrong\u003eItem Condition:\u003c\/strong\u003e New\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eM16 × 1.5 Pull Pin \/ Pop Pin Adjustment Knob\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable in 18mm, 20mm, 25mm \u0026amp; 27mm Pin Lengths - See measuring guide at the bottom.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM16 × 1.5 threaded pull pins\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are designed for fitness equipment requiring quick and secure adjustment of seats, back pads, footplates, support arms, and other movable components. Commonly used on strength machines, functional trainers, plate-loaded equipment, benches, and selectorized gym systems, these pull pins provide positive locking engagement while allowing fast equipment adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis listing includes four common pin projection lengths to accommodate different frame thicknesses and adjustment applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable Sizes\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eThread Size\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003ePin Diameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003ePin Projection Length\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e#7682-18\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM16 × 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8mm (0.31\")\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18mm (0.71\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e#7682-20\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM16 × 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8mm (0.31\")\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20mm (0.79\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e#7682-25\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM16 × 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8mm (0.31\")\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25mm (0.98\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e#7682-27\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM16 × 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8mm (0.31\")\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27mm (1.06\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Dimensions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eKnob Diameter: 54mm (2.13\")\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThread Diameter: 16mm (5\/8\")\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThread Pitch: M16 × 1.5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePin Diameter: 8mm (0.31\")\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePositive locking pull pin design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eM16 × 1.5 fine-thread body\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge ergonomic adjustment knob\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommercial-grade construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect replacement for worn or damaged adjustment pins\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Compatible Brands\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese M16 × 1.5 pull pins are commonly found on select models from:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBody-Solid\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePowerline by Body-Solid\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHoist Fitness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTuffStuff\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCybex\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLife Fitness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHammer Strength\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNautilus\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStar Trac\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatrix\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSportsArt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTRUE Fitness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBodyCraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLegend Fitness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTorque Fitness\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"13cx6l\" data-start=\"1105\" data-end=\"1129\"\u003eSunny Health \u0026amp; Fitness\u003c\/li\u003e\n\u003cli data-section-id=\"1qm9rwr\" data-start=\"1130\" data-end=\"1138\"\u003eJoroto\u003c\/li\u003e\n\u003cli data-section-id=\"32onbu\" data-start=\"1139\" data-end=\"1147\"\u003ePooboo\u003c\/li\u003e\n\u003cli data-section-id=\"15rueg7\" data-start=\"1148\" data-end=\"1171\"\u003eEchelon (some models)\u003c\/li\u003e\n\u003cli data-section-id=\"2n9p25\" data-start=\"1172\" data-end=\"1180\"\u003eYosuda\u003c\/li\u003e\n\u003cli data-section-id=\"es8tp7\" data-start=\"1181\" data-end=\"1217\"\u003eVarious OEM\/white-label spin bikes\u003c\/li\u003e\n\u003cli data-section-id=\"es8tp7\" data-start=\"1181\" data-end=\"1217\"\u003eMarcy\/Apex\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable weight benches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFunctional trainers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-station home gyms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeg press machines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmith machines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeat adjustments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBack pad positioning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoller pad adjustments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSafety stop positioning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupport arm adjustments\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOther Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eWhat It Commonly Replaces\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgREAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eThis type of spring-loaded locking pin is used to adjust heights, angles, and seat spacing. It is widely used to replace broken or lost knobs on\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgVEAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eIndoor Cycling \u0026amp; Stationary Bikes\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Used for seat post height, seat forward\/backward horizontal slides, and handlebar height adjustments.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgVEAU\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eSquat Racks \u0026amp; Power Cages\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Used on adjustable spotter arms, J-cups, or integrated cable pulley attachments.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgVEAo\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eWeight Benches\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Used for incline\/decline backrest adjustments and leg developer extensions.\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgVEA8\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eSelectorized Strength Equipment\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Used on chest press machines, leg extensions, and functional trainers to adjust user position settings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Information\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe most important measurement is the pin projection length. Many fitness machines use the same M16 × 1.5 thread but require different pin lengths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease verify:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eM16 × 1.5 thread size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e8mm pin diameter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRequired pin projection length (18mm, 20mm, 25mm, or 27mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ebefore ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.hydrafitnessexchange.com\/equipment\/MY-HY-Brake-pop-knob\/31761\"\u003eIndoor Cycle Parts | Pop Pins | Knobs | Levers | Resistance\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hydra Fitness Exchange","offers":[{"title":"54mm - M16 - 18mm - 8mm","offer_id":47474277843098,"sku":"MY-7682-18-Black","price":17.99,"currency_code":"USD","in_stock":true},{"title":"54mm - M16 - 20mm - 8mm","offer_id":47474277875866,"sku":"MY-7682-20-Black","price":18.99,"currency_code":"USD","in_stock":true},{"title":"54mm - M16 - 25mm - 8mm","offer_id":47474277908634,"sku":"MY-7682-25-Black","price":19.99,"currency_code":"USD","in_stock":true},{"title":"54mm - M16 - 27mm - 8mm","offer_id":47474277941402,"sku":"MY-7682-27-Black","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/9696\/6969\/files\/seat-pop-pin-size-knob-2154mm-thread-pin-m16-5-8-hydrafitnessparts-1624058.png?v=1774493503","url":"https:\/\/hydrafitnessparts.com\/products\/seat-pop-pin-size-knob-2-154mm-thread-pin-m16-5-8","provider":"hydrafitnessparts","version":"1.0","type":"link"}