KOSO

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

We are proud to introduce our new heated grips system with multi-adjustment switch. The LED indicator with multi-levels will help you get the right...

Designed specifically for dirt and snow bikes. The aggressive lock-on diamond pattern grips made of high-quality materials will be sure to keep you...

For 2 stroke engine only

O2 bung only for Air/Fuel Ratio meters

O2 Sensor Bung Cap only for Air/Fuel Ratio meters

KOSO Passive speed sensor SH-01

The Proton volt meter will allow you to visualize the vital signs of your motor vehicles battery saving you from potential troubles. Volt m...

The Proton water temperature meter will provide you with a precise reading of your engines coolant temperature. Supplied with a 1/8 BSP sensor, ...

KOSO PROTON Water temperature meter with adapter  

The new RS-2 meter is a complete multifunction meter that is focused on the serious rider who likes to log their data to improve riding skills. You...

With its attractive shape and size, the RX‑1N meter is a perfect meter for your bike. Whether you have a sports bike, naked bike, street fighter or...

The RX‑2 is one of Koso signature gauge. Its unique color changeable backlight makes it a very popular instrument. The illuminated needle with LED ...

KOSO RX-2N GP Style Speedometer

The RX‑2NR GP Style tachometer is the perfect race meter ! The 80 mm needle driven by a stepper motor is easy to read at high speed. Its multif...

This ultrathin Super Slim Style Clock & Volt Meter with blue digits will flash to warn you if the voltage is higher than 14.0 volts or lower th...

Our Super Slim Style series is one of our best seller because its small and compact size makes it very easy to install at almost any location on th...

Our Super Slim Style series is one of our best seller because its small and compact size makes it very easy to install at almost any location on th...

Our Super Slim Style Volt meter is a small and compact size meter and makes it very easy to install at almost any location on the bike. The blue or...

SpeedometerR: 0 ~ 225 MPH (0 ~ 360 km/h)U: MPH or km/h OdometerR: 0 ~ 99,999 miles (km)U: 1 mile (km) Tripmeter A/BR: 0 ~ 999.9 miles (km)U...

With its vintage look, our TNT‑02 is the perfect meter for all Café racers and special project bikes that require a small multifunction meter. Thi...

Our TNT‑04 multifunction meter is perfect for all special projects. It is equipped with a 8 color changeable LCD display and also uses a strong ste...

KOSO Water Hose Adapter

KOSO Wheel Guide Jetting Tool

This nice backlighted wideband air/fuel ratio meter will give you precious informations on your engine. It will allow you to tune more precisely ...

Today, many horsepower enthusiasts are upgrading their engine with turbo or supercharger. For this reason, we came up with this basic X‑1 boost gau...

Thinner and lighter than its previous version, the XR‑SA speedometer, our innovative XR‑01S speedometer most importantly features a larger, higher ...

The XR‑SR multifunction meter was designed especially for motorcycles and ATV’s. Its digital screen will provide important informations on your en...