{"title":"Quick Shifters","description":"\u003cp\u003eQuick Shifters\u003cbr\u003eQSR V2 \/ QSS V2\u003c\/p\u003e","products":[{"product_id":"aracer-qss-v2-qs-sport-v2-standalone-quick-shifter","title":"aRacer QSS V2 – QS Sport V2 Standalone Quick Shifter","description":"\u003ch2\u003eStandalone Quick Shifter Control for EFI Powersports Applications.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eaRacer QSS V2 – QS Sport V2\u003c\/strong\u003e is a standalone quick shifter system designed for supported 1–4 cylinder EFI applications using inductive ignition coils. It provides quick shift control without requiring an aRacer ECU, making it a flexible option for many motorcycle, scooter, mini moto, ATV, and powersports builds.\u003c\/p\u003e\n\u003ch3\u003eWhat It Is\u003c\/h3\u003e\n\u003cp\u003eA standalone quick shifter control system with MotoGP-grade piezoelectric sensor technology, app-based setup, and configurable push \/ pull shift direction. The QSS V2 is designed for EFI ignition-coil systems and supports quick shift cut control where properly installed and configured.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides standalone quick shifter functionality\u003c\/li\u003e\n\u003cli\u003eWorks with supported 1–4 cylinder EFI systems using inductive ignition coils\u003c\/li\u003e\n\u003cli\u003eUses MotoGP-grade piezoelectric shift sensor technology\u003c\/li\u003e\n\u003cli\u003eSupports push or pull shift sensor configuration\u003c\/li\u003e\n\u003cli\u003eAllows quick shift action time to be adjusted by engine speed\u003c\/li\u003e\n\u003cli\u003eUses the dedicated QSSport app for setup, adjustment, and monitoring\u003c\/li\u003e\n\u003cli\u003eCan be used with OEM ECU or compatible aRacer ECU setups where properly installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApp-Based Setup\u003c\/h3\u003e\n\u003cp\u003eThe QSS V2 uses the dedicated \u003cstrong\u003eQSSport app\u003c\/strong\u003e for quick setup, monitoring, and adjustment. The app includes a quick setting wizard and supports two-way push \/ pull shift setup to match the vehicle’s shift linkage configuration.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe QSS V2 is intended for supported \u003cstrong\u003e1–4 cylinder EFI systems using inductive ignition coils\u003c\/strong\u003e. It is not intended for CDI ignition systems unless specifically confirmed compatible.\u003c\/p\u003e\n\u003cp\u003eSome applications may be supported with available accessory harnesses. Other applications may require custom harness modification, wiring work, or professional installation.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e aRacer QSS V2 – QS Sport V2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Standalone quick shifter system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Supported 1–4 cylinder EFI inductive ignition-coil systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric shift sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e QSSport app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU: \u003c\/strong\u003ePA-QH015 \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandalone quick shifter installation\u003c\/li\u003e\n\u003cli\u003eOEM ECU applications where supported\u003c\/li\u003e\n\u003cli\u003eaRacer ECU applications where standalone quick shift control is desired\u003c\/li\u003e\n\u003cli\u003eMotorcycle, scooter, mini moto, ATV, and powersports builds\u003c\/li\u003e\n\u003cli\u003ePush or pull shift linkage configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eThe QSS V2 is a \u003cstrong\u003estandalone quick shifter system\u003c\/strong\u003e. Compatibility depends on vehicle ignition type, cylinder count, wiring configuration, shift linkage setup, and installation quality. Some vehicles may require harness modification or professional installation.\u003c\/p\u003e\n\u003cp\u003eFor a quick shifter expansion kit designed specifically for supported aRacer ECU systems, see the \u003cstrong\u003eaRacer QSR V2 – Quick Shift Race V2\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eNorth American Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupported by aRacer ECU R\u0026amp;D of America LLC\u003c\/li\u003e\n\u003cli\u003eU.S.-based technical support\u003c\/li\u003e\n\u003cli\u003eNorth American validation and platform development\u003c\/li\u003e\n\u003cli\u003eFast domestic shipping from California when in stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUse Notice:\u003c\/strong\u003e This product is intended for compatible EFI ignition-coil systems only. Customer is responsible for confirming compatibility before purchase or installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompetition Use Notice:\u003c\/strong\u003e Some products are intended for closed-course competition, off-road, testing, research, or development use only where applicable. Customer is responsible for compliance with all applicable laws and regulations.\u003c\/p\u003e\n\u003ch3\u003eCalifornia Proposition 65 Warning\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"aRacer ECU R\u0026D of America","offers":[{"title":"Default Title","offer_id":45190895370375,"sku":"PA-QH015","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8289\/0631\/files\/qs_sport-3.png?v=1784067899"},{"product_id":"aracer-qsr-v2-quick-shift-race-v2","title":"aRacer QSR V2 – Quick Shift Race V2","description":"\u003ch2\u003eHigh-Speed Quick Shifter Control for Supported aRacer ECU Systems.\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eaRacer QSR V2 – Quick Shift Race V2\u003c\/strong\u003e is a race-focused quick shifter expansion kit designed for supported \u003cstrong\u003eaRacer RC Super X \/ Super XX\u003c\/strong\u003e and \u003cstrong\u003eRC Mini X \/ Mini XX\u003c\/strong\u003e ECU systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\nUsing a digital transmission design and MotoGP-grade piezoelectric sensor technology, the QSR V2 is built to deliver fast, accurate shift input detection for high-performance riding, racing, and development applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Is\u003c\/h3\u003e\n\n\u003cp\u003e\nA compact quick shifter expansion system for compatible aRacer ECU platforms. The QSR V2 collects shift sensor data up to \u003cstrong\u003e1,000 times per second\u003c\/strong\u003e, helping the ECU respond quickly and accurately during shift events.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSupports quick shifter functionality on compatible aRacer ECU systems\u003c\/li\u003e\n  \u003cli\u003eEnables clutchless upshifts where properly configured and supported\u003c\/li\u003e\n  \u003cli\u003eSupports downshift control on compatible electronic throttle \/ ride-by-wire applications where supported\u003c\/li\u003e\n  \u003cli\u003eUses high-speed digital signal processing for fast and accurate shift detection\u003c\/li\u003e\n  \u003cli\u003eCollects sensor data up to 1,000 times per second\u003c\/li\u003e\n  \u003cli\u003eSupports closed-loop shift control to help optimize shift timing and smoothness\u003c\/li\u003e\n  \u003cli\u003eUses MotoGP-grade piezoelectric sensor design\u003c\/li\u003e\n  \u003cli\u003eLightweight, compact design with self-diagnosis function\u003c\/li\u003e\n  \u003cli\u003eSupports standard or reverse shift pattern setup where compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance Advantages\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFaster shift input detection compared with basic switch-style systems\u003c\/li\u003e\n  \u003cli\u003eClosed-loop control helps reduce shift time and improve shift smoothness where supported\u003c\/li\u003e\n  \u003cli\u003eDesigned for sprint racing, track use, and high-performance riding\u003c\/li\u003e\n  \u003cli\u003eARRC top competition verified design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp\u003e\nThe QSR V2 must be used with a supported \u003cstrong\u003eaRacer RC Super X \/ Super XX\u003c\/strong\u003e or \u003cstrong\u003eRC Mini X \/ Mini XX\u003c\/strong\u003e ECU system. It is not a universal standalone quick shifter.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCompatibility depends on ECU model, vehicle application, throttle type, wiring configuration, shift sensor setup, and software calibration. Downshift functionality requires a compatible electronic throttle \/ ride-by-wire application and proper ECU support.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e aRacer QSR V2 – Quick Shift Race V2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e PD-M0056\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Quick shifter expansion kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Supported aRacer RC Super X \/ Super XX and RC Mini X \/ Mini XX ECU systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric shift sensor design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRace quick shifter setup\u003c\/li\u003e\n  \u003cli\u003eClutchless upshift control where supported\u003c\/li\u003e\n  \u003cli\u003eDownshift control on compatible ride-by-wire applications where supported\u003c\/li\u003e\n  \u003cli\u003eStandard or reverse shift pattern applications where compatible\u003c\/li\u003e\n  \u003cli\u003eTrack, sprint racing, and high-performance development builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\n\u003cp\u003e\nThis product is an \u003cstrong\u003eexpansion kit for compatible aRacer ECU systems\u003c\/strong\u003e. Proper installation, sensor setup, ECU compatibility, and calibration are required for correct operation. Downshift functionality is only available on supported electronic throttle \/ ride-by-wire applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eNorth American Support\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSupported by aRacer ECU R\u0026amp;D of America LLC\u003c\/li\u003e\n  \u003cli\u003eU.S.-based technical support\u003c\/li\u003e\n  \u003cli\u003eNorth American validation and platform development\u003c\/li\u003e\n  \u003cli\u003eFast domestic shipping from California when in stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eUse Notice:\u003c\/strong\u003e This product is intended for use with compatible aRacer systems and accessories only. Customer is responsible for confirming compatibility before purchase or installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCompetition Use Notice:\u003c\/strong\u003e Some products are intended for closed-course competition, off-road, testing, research, or development use only where applicable. Customer is responsible for compliance with all applicable laws and regulations.\n\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia Proposition 65 Warning\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known\nto the State of California to cause cancer and birth defects or other reproductive harm. For more\ninformation, visit\n\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\n\u003c\/p\u003e\n","brand":"aRacer ECU R\u0026D of America","offers":[{"title":"Default Title","offer_id":45222590939271,"sku":"PD-M0056","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8289\/0631\/files\/qsrv2-5.png?v=1785660204"},{"product_id":"aracer-qss-red-v1-standalone-quick-shifter","title":"aRacer QSS Red V1 Standalone Quick Shifter (Pull Type)","description":"\u003ch2\u003eStandalone Quick Shifter Control for Supported EFI Applications.\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eaRacer QSS Red V1\u003c\/strong\u003e is a standalone quick shifter system designed for supported EFI powersports applications. It provides quick shift cut control without requiring an aRacer ECU, making it useful for compatible motorcycle, scooter, mini moto, ATV, and race applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Is\u003c\/h3\u003e\n\n\u003cp\u003e\nA standalone quick shifter module with a red control unit and shift sensor setup. The QSS Red V1 is designed to support clutchless upshift functionality on compatible EFI ignition-coil systems when properly installed and configured.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProvides standalone quick shifter functionality\u003c\/li\u003e\n  \u003cli\u003eSupports clutchless upshifts where compatible and properly configured\u003c\/li\u003e\n  \u003cli\u003eCan be used without an aRacer ECU on supported applications\u003c\/li\u003e\n  \u003cli\u003eWorks with compatible EFI ignition-coil systems\u003c\/li\u003e\n  \u003cli\u003eUseful for race, track, testing, and performance riding applications\u003c\/li\u003e\n  \u003cli\u003eCompatible with select motorcycle, scooter, mini moto, and ATV applications where supported\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n\u003cp\u003e\nThe QSS Red V1 is intended for supported \u003cstrong\u003eEFI ignition-coil systems\u003c\/strong\u003e. Compatibility depends on vehicle ignition type, cylinder count, wiring configuration, shift linkage setup, and installation quality.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis product is not intended as a universal plug-and-play item for every vehicle. Some applications may require additional wiring, harness modification, setup, or professional installation.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e aRacer QSS Red V1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Standalone quick shifter system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Supported EFI ignition-coil systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Quick shift cut control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Legacy \/ previous-generation QSS product\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStandalone quick shifter installation\u003c\/li\u003e\n  \u003cli\u003eOEM ECU applications where supported\u003c\/li\u003e\n  \u003cli\u003eaRacer ECU applications where standalone quick shift control is desired\u003c\/li\u003e\n  \u003cli\u003eTrack, race, and performance builds\u003c\/li\u003e\n  \u003cli\u003eMini moto, scooter, motorcycle, and ATV applications where compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\n\u003cp\u003e\nThe QSS Red V1 is a \u003cstrong\u003elegacy standalone quick shifter system\u003c\/strong\u003e. It is different from the newer \u003cstrong\u003eQSS V2\u003c\/strong\u003e and different from the \u003cstrong\u003eQSR V2 Quick Shift Race V2\u003c\/strong\u003e expansion kit for supported aRacer ECU systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor newer standalone quick shifter applications, see the \u003cstrong\u003eaRacer QSS V2 – QS Sport V2\u003c\/strong\u003e. For quick shifter expansion with supported aRacer RC Super X \/ Super XX or RC Mini X \/ Mini XX ECU systems, see the \u003cstrong\u003eaRacer QSR V2 – Quick Shift Race V2\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003ch3\u003eNorth American Support\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSupported by aRacer ECU R\u0026amp;D of America LLC\u003c\/li\u003e\n  \u003cli\u003eU.S.-based technical support\u003c\/li\u003e\n  \u003cli\u003eNorth American validation and platform development\u003c\/li\u003e\n  \u003cli\u003eFast domestic shipping from California when in stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eUse Notice:\u003c\/strong\u003e This product is intended for compatible EFI ignition-coil systems only. Customer is responsible for confirming compatibility before purchase or installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCompetition Use Notice:\u003c\/strong\u003e Some products are intended for closed-course competition, off-road, testing, research, or development use only where applicable. Customer is responsible for compliance with all applicable laws and regulations.\n\u003c\/p\u003e\n\n\u003ch3\u003eCalifornia Proposition 65 Warning\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known\nto the State of California to cause cancer and birth defects or other reproductive harm. For more\ninformation, visit\n\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\n\u003c\/p\u003e\n","brand":"aRacer ECU R\u0026D of America","offers":[{"title":"Default Title","offer_id":45238206660743,"sku":"US-LEG-QSv1","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8289\/0631\/files\/qs_sport_red-5.png?v=1784068642"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8289\/0631\/collections\/qsrv2-5.png?v=1785993954","url":"https:\/\/aracer.shop\/collections\/quick-shifters.oembed","provider":"aRacer SpeedTek","version":"1.0","type":"link"}