{"product_id":"sinet-bottom-bracket-torque-sensor-68-mm","title":"SINET™ Bottom Bracket Torque Sensor – 68 mm","description":"\u003cdetails class=\"product-accordion\" open\u003e\n  \u003csummary\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003eSINET™ Bottom Bracket Torque Sensor\u003c\/strong\u003e provides smooth,\n    proportional pedal assistance by measuring both rider pedaling force and\n    crank rotation.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Unlike a basic cadence sensor that only detects crank movement, the torque\n    sensor adjusts motor assistance in response to how hard the rider is pedaling.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This sensor is designed for bicycles and trikes with a\n    \u003cstrong\u003e68 mm threaded bottom bracket shell\u003c\/strong\u003e and requires a compatible\n    \u003cstrong\u003esquare-taper crankset\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eMeasures rider pedaling force and crank rotation\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eProvides smooth, proportional pedal assistance\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eFits a 68 mm threaded bottom bracket shell\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eRequires compatible square-taper crankarms\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eDesigned for current E-BikeKit SINET™ systems\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIncludes protective cable-routing grommet\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003e59 cm torque-sensor extension cable sold separately\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eImportant Installation Notice:\u003c\/strong\u003e\n    Installation requires removal of the existing bottom bracket and drilling a\n    cable-routing hole in the bottom bracket shell. The included grommet must be\n    installed in the drilled opening to protect the sensor cable from the frame.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eImportant Compatibility Notice:\u003c\/strong\u003e\n    This sensor is designed for current E-BikeKit SINET™ systems and is not a\n    direct replacement for Legacy E-BikeKit pedal-assist components.\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eHow Torque-Sensing Pedal Assist Works\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cp\u003e\n    The SINET™ torque sensor measures force applied through the crankset while\n    also detecting crank rotation.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The SINET™ controller uses this information to regulate motor output according\n    to rider effort and the selected pedal-assist level.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This creates a more natural riding experience than cadence-only pedal assist:\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eLight pedaling produces lighter motor assistance\u003c\/li\u003e\n    \u003cli\u003eStronger pedaling produces greater motor assistance\u003c\/li\u003e\n    \u003cli\u003eAssistance responds progressively instead of switching on at a fixed output\u003c\/li\u003e\n    \u003cli\u003eLow-speed starts and transitions between assist levels feel smoother\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    Exact assistance response depends on LCD assist level, controller programming,\n    gearing, rider input, and operating conditions.\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eFitment Requirements\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom Bracket Shell Width:\u003c\/strong\u003e 68 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom Bracket Type:\u003c\/strong\u003e Threaded\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCrank Interface:\u003c\/strong\u003e Square taper\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCrank Compatibility:\u003c\/strong\u003e Requires compatible square-taper crankarms\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Platform:\u003c\/strong\u003e Current E-BikeKit SINET™ system\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFrame Modification:\u003c\/strong\u003e Cable-routing hole must be drilled in the bottom bracket shell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCable Protection:\u003c\/strong\u003e Included grommet must be installed in the drilled opening\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eImportant:\u003c\/strong\u003e\n    Confirm the frame has a 68 mm threaded bottom bracket shell and sufficient\n    internal clearance before installation.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This sensor is not intended for press-fit bottom brackets, external-bearing\n    crank systems, one-piece cranks, oversized bottom bracket shells, or\n    incompatible crank interfaces.\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eSINET™ System Compatibility\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cp\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eCurrent E-BikeKit SINET™ conversion systems\u003c\/li\u003e\n    \u003cli\u003eCurrent E-BikeKit SINET™ complete trike systems\u003c\/li\u003e\n    \u003cli\u003e68 mm threaded bottom bracket shells\u003c\/li\u003e\n    \u003cli\u003eCompatible square-taper cranksets and crankarms\u003c\/li\u003e\n    \u003cli\u003eSINET™ integrated-controller systems\u003c\/li\u003e\n    \u003cli\u003eSINET™ external-controller systems\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eNot Compatible With:\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eLegacy E-BikeKit pedal-assist systems\u003c\/li\u003e\n    \u003cli\u003eLegacy E-BikeKit controllers or wiring harnesses\u003c\/li\u003e\n    \u003cli\u003eCadence-only pedal-assist connections\u003c\/li\u003e\n    \u003cli\u003ePress-fit bottom bracket systems\u003c\/li\u003e\n    \u003cli\u003eExternal-bearing crank systems\u003c\/li\u003e\n    \u003cli\u003eOne-piece crank systems without the appropriate crank conversion\u003c\/li\u003e\n    \u003cli\u003eThird-party electrical systems unless compatibility has been confirmed\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eMatching connector appearance alone does not confirm compatibility.\u003c\/strong\u003e\n    Verify both the complete SINET™ electrical platform and mechanical fit before ordering.\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e E-BikeKit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e SINET™\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Bottom bracket torque and cadence sensor\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom Bracket Fit:\u003c\/strong\u003e 68 mm threaded shell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCrank Interface:\u003c\/strong\u003e Square taper\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePedal-Assist Function:\u003c\/strong\u003e Proportional torque-sensing assistance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Through drilled opening in bottom bracket shell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCable Grommet:\u003c\/strong\u003e Included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtension Cable:\u003c\/strong\u003e Sold separately\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eOne SINET™ 68 mm bottom bracket torque sensor\u003c\/li\u003e\n    \u003cli\u003eOne protective cable-routing grommet\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eNot Included:\u003c\/strong\u003e\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eCrankarms\u003c\/li\u003e\n    \u003cli\u003eCrankset\u003c\/li\u003e\n    \u003cli\u003eBottom bracket tools\u003c\/li\u003e\n    \u003cli\u003eDrill or drilling tools\u003c\/li\u003e\n    \u003cli\u003e\n      \u003ca href=\"\/products\/sinet-cable-torque-59cm\"\u003e\n        SINET™ Torque Sensor Extension Cable – 59 cm\n      \u003c\/a\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eDisconnect and remove the battery before beginning installation\u003c\/li\u003e\n    \u003cli\u003eConfirm the frame uses a 68 mm threaded bottom bracket shell\u003c\/li\u003e\n    \u003cli\u003eRemove the existing crankarms and bottom bracket using the correct bicycle tools\u003c\/li\u003e\n    \u003cli\u003eConfirm the replacement crankarms use a compatible square-taper interface\u003c\/li\u003e\n    \u003cli\u003eSelect a cable-routing location that avoids welds, frame joints, structural reinforcements, and internal interference\u003c\/li\u003e\n    \u003cli\u003eDrill the required cable-routing hole using proper tools and installation practices\u003c\/li\u003e\n    \u003cli\u003eDeburr the opening and install the included grommet before routing the sensor cable\u003c\/li\u003e\n    \u003cli\u003eDo not route the cable through an unprotected metal opening\u003c\/li\u003e\n    \u003cli\u003eInstall and tighten the torque sensor according to required bottom bracket orientation and torque specifications\u003c\/li\u003e\n    \u003cli\u003eRoute the cable away from chainrings, crankarms, chains, steering components, tires, and sharp edges\u003c\/li\u003e\n    \u003cli\u003eAlign connector arrows and pins before joining the plugs\u003c\/li\u003e\n    \u003cli\u003eDo not twist or force the connectors\u003c\/li\u003e\n    \u003cli\u003eVerify crank clearance and proportional pedal-assist operation after installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e\n    This installation requires bicycle drivetrain service and permanent frame\n    modification. It should be completed by a qualified bicycle or electric-bike\n    technician familiar with bottom bracket installation, cable routing, and frame\n    modification.\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eExtension Cable\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cp\u003e\n    The standard sensor cable may not provide sufficient routing length for every\n    frame configuration.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Larger bicycle frames, upright trikes, and recumbent trikes commonly require\n    additional cable length.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The\n    \u003ca href=\"\/products\/sinet-cable-torque-59cm\"\u003e\n      \u003cstrong\u003eSINET™ Torque Sensor Extension Cable – 59 cm\u003c\/strong\u003e\n    \u003c\/a\u003e\n    is available separately and provides additional reach for cleaner routing\n    with less strain on the cable and connectors.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003ca href=\"\/products\/sinet-cable-torque-59cm\"\u003e\n      Add the SINET™ Torque Sensor Extension Cable to your order.\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"product-accordion\"\u003e\n  \u003csummary\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/summary\u003e\n\n  \u003cp\u003e\n    Not sure whether your bottom bracket and crankset are compatible?\n    Contact us before ordering and we can help identify whether this torque sensor\n    is appropriate for your bike or trike.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Clear photos of the crankset and bottom bracket area are especially helpful\n    for fitment questions.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eQuestions?\u003c\/strong\u003e\n    Call us toll-free at\n    \u003ca href=\"tel:1-866-882-3245\"\u003e1-866-882-3245\u003c\/a\u003e,\n    Monday–Friday, 9am–5pm ET, or email\n    \u003ca href=\"mailto:support@ebikekit.com\"\u003esupport@ebikekit.com\u003c\/a\u003e.\n  \u003c\/p\u003e\n\u003c\/details\u003e","brand":"E-BikeKit","offers":[{"title":"Default Title","offer_id":67595088920744,"sku":"SINET-PAS-TORQUE-68MM","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1430\/7408\/files\/E-BIKEKIT-SINET-BOTTOM-BRACKET-TORQE-SENSOR-68MM-2.png?v=1790954730","url":"https:\/\/www.ebikekit.com\/products\/sinet-bottom-bracket-torque-sensor-68-mm","provider":"EBikeKit.com","version":"1.0","type":"link"}