Koso GROM 4 VALVES CYLINDER HEAD by Koso.*Does not fit 2022+ models Our Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore...

Koso GROM BIG BORE KIT BLACK (2022+) by Koso.*Fits 2022+ models Made from the best components available on the market, our 150cc Big Bore kit for Honda Grom® and Monkey®...

Koso GROM 170cc BIG BORE & 4V HEAD KIT by Koso.Discontinued product, for reference only. *Does not fit 2022+ models This complete top‑kit is the perfect add‑on for all horsepower...

Koso GROM 170cc BIG BORE CYLINDER KIT by Koso.Discontinued product, for reference only. *Does not fit 2022+ models Want to unleash all the power your Honda Grom® can handle? Our...

Koso GROM GASKET KIT by Koso.*Does not fit 2022+ models Replacement gasket for the 170cc BIG BORE KIT for Honda Grom® and Monkey WARNING THIS IS AN AFTERMARKET PART BUILT...

Koso DUAL PORT USB CHARGER TYPE A + C by Koso.This new USB type C and A adaptor allows you to plug your GPS, smartphone or any other devices to...

Koso SINGLE PORT USB CHARGER TYPE C by Koso.This new USB-C adaptor allows you to plug your GPS, smartphone or any other devices to keep them charged. Designed to be...

Koso TYPE-C CHARGER by Koso.Charge your device all ride long with our new USB-C charger adapter. Whether it’s a GPS, smartphone or any other small electronic device, our adaptor will...

Koso USB TYPE-C CHARGER by Koso.Our USB-C adaptor is the newest addition to our line of USB adaptors. Whether it’s a GPS, smartphone or any other small electronic device that...

Koso Quick charge 3.0 | USB adaptor by Koso.Our quick charge 3.0 USB adaptor provides you with the possibility of charging your precious devices quickly. Whether it’s a GPS, smartphone,...

Koso GROM IGNITION COIL by Koso.*Fits 2022+ Grom models Koso’s high performance ignition coils are designed using the most advanced materials on the market today. Providing a stronger spark and...

Koso GROM IGNITION COIL by Koso.This is a KOSO GROM IGNITION COIL