ARacer QSS V2 – QS Sport V2 Standalone Quick Shifter

The aRacer QSS V2 – QS Sport V2 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.

A 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.

The QSS V2 is a standalone quick shifter system. 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.

For a quick shifter expansion kit designed specifically for supported aRacer ECU systems, see the aRacer QSR V2 – Quick Shift Race V2.

NOTE: 

• It must be used in conjunction with aftermarket race rearsets. Will NOT work with factory Honda Grom or Kawasaki Z125 stock rearsets.
• For two-cylinder motorcycles, you would need a jumper sub-harness for the coil, which is sold separately. 

Use Notice: This product is intended for compatible EFI ignition-coil systems only. Customer is responsible for confirming compatibility before purchase or installation.