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KOSO

  • Mini 4 Tachometer
    KOSO

    Mini 4 Tachometer

    $98.99

    Our Mini4 tachometer uses an LCD screen powered by an inner CR 2032 changeable battery that allows installation on any vehicle. With the small, com...

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    $98.99
  • GEAR Indicator for Harley-Davidson
    KOSO

    GEAR Indicator for Harley-Davidson

    $242.99

    Always wondering in which gear you’re in? Avoid this question by using our plug & play gear indicator. Lightweight, compact, easy to use and to...

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    $242.99
  • Heated Hand Protectors - Replacement Control Box
    KOSO

    Heated Hand Protectors - Replacement Control Box

    $49.99

    Keep your hands warm and dry by using these new waterproof heated hand protectors. Made from multi-layers of the best quality material available on...

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    $49.99
  • 5-Level Heated Grip 7/8" + 7/8" with heated thumb
    KOSO

    5-Level Heated Grip 7/8" + 7/8" with heated thumb

    $115.99

    Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

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    $115.99
  • 5-Level Heated Grip 7/8" + 7/8"
    KOSO

    5-Level Heated Grip 7/8" + 7/8"

    $99.99

    Our elegant grips made for ATV and snowmobile use a revolutionary heated structure that delivers heat faster than ever. The 5-level temperature con...

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    $99.99
  • Apollo Heated Grip 7/8" + 7/8" + thumb
    KOSO

    Apollo Heated Grip 7/8" + 7/8" + thumb

    $209.99

    Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

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    $209.99
  • Apollo Heated Grip 7/8" + 7/8"
    KOSO

    Apollo Heated Grip 7/8" + 7/8"

    $195.99

    Our Apollo heated grips are designed with an integrated adjustable thumb switch, which allows them to easily fit on most ATVs and snowmobiles on th...

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    $195.99
  • Multi-adjustment / 5-Level Heated Grips Replacement end cap
    KOSO

    Multi-adjustment / 5-Level Heated Grips Replacement end cap

    $4.99

    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...

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    $4.99
  • Multi-adjustment / 5-Level  Heated Grips Heated thumb kit
    KOSO

    Multi-adjustment / 5-Level Heated Grips Heated thumb kit

    $22.99

    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...

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    $22.99
  • Multi-adjustment Heated Grips 7/8" + 7/8" with heated thumb
    KOSO

    Multi-adjustment Heated Grips 7/8" + 7/8" with heated thumb

    $148.99

    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...

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    $148.99
  • Multi-adjustment Heated Grips 7/8" + 7/8"
    KOSO

    Multi-adjustment Heated Grips 7/8" + 7/8"

    $128.99

    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...

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    $128.99
  • KOSO Heated grip glue
    KOSO

    Heated grip glue

    $4.99

    KOSO Heated grip glue

    $4.99
  • MX-1 Snow/dirt Bike Heated Grips 1" + 7/8"
    KOSO

    MX-1 Snow/dirt Bike Heated Grips 1" + 7/8"

    $209.99

    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...

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    $209.99
  • Heated Hand Protectors - Kit
    KOSO

    Heated Hand Protectors - Kit

    $242.99

    Keep your hands warm and dry by using these new waterproof heated hand protectors. Made from multi-layers of the best quality material available on...

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    $242.99
  • EGT Clamp 60-80mm
    KOSO

    EGT Clamp 60-80mm

    $18.99

    EGT Clamp 60-80mm

    $18.99
  • External thumb switch pour RX-2NS
    KOSO

    External thumb switch pour RX-2NS

    $33.99

    External Thumb Switch – for RX-2NS RPM Data Logger Fits on only RX-2NS RPM Data Logger For 7/8″ or 1″ handlebar

    $33.99
  • AC/DC converter
    KOSO

    AC/DC converter

    $60.99

    This small AC/DC Converter made of aluminum will convert AC power into DC power. The AC/DC converter’s compact size and strong resistance make it t...

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    $60.99
  • Adjustable RPM signal filter
    KOSO

    Adjustable RPM signal filter

    $43.99

    This Adjustable RPM Signal Filter helps to stabilize bouncy RPM reading on your meter.  Its adjustable function from 0 to 100 kΩ makes it ideal for...

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    $43.99
  • Bung, cap and washer kit
    KOSO

    Bung, cap and washer kit

    $29.99

    3 pieces kit includes: Bung Cap Aluminum washer

    $29.99
  • O2 adapter for 2-stroke engine only
    KOSO

    O2 adapter for 2-stroke engine only

    $59.99

    For 2 stroke engine only

    $59.99
  • KOSO

    Race type O2

    $116.99

    KOSO Race type O2

    $116.99
  • Cylinder head temperature sensor 0-150°C
    KOSO

    Cylinder head temperature sensor 0-150°C

    $32.99

    The DB-03R is a multifunction meter with a modern casing that provides necessary critical readings. The DB-03r features all standard indicators nee...

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    $32.99
  • Water Hose Adapter
    KOSO

    Water Hose Adapter

    from $39.99

    KOSO Water Hose Adapter

    from $39.99
  • EGT sensor fast response (clamp included)
    KOSO

    EGT sensor fast response (clamp included)

    $149.99

    Fast Response (28-CKTYPEX) sensor. Clamp size : 40-60mm Clamp Included

    $149.99
  • Hexagonal magnet screw
    KOSO

    Hexagonal magnet screw

    $10.99

    KOSO Hexagonal magnet screw

    $10.99
  • Magnet 6mm diam. x 5mm high
    KOSO

    Magnet 6mm diam. x 5mm high

    $3.99

    sold as a single unit

    $3.99
  • Hard cable speed sensor for EX-02 Japanese applications
    KOSO

    Hard cable speed sensor for EX-02 Japanese applications

    $53.99

    Screw Type For EX-02 Japanese Applications only

    $53.99
  • PROTON Water temperature meter with adapter
    KOSO

    PROTON Water temperature meter with adapter

    $87.99

    KOSO PROTON Water temperature meter with adapter  

    $87.99
  • PROTON Water temperature meter
    KOSO

    PROTON Water temperature meter

    $75.99

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

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    $75.99
  • MINI 3 Dual temperature
    KOSO

    MINI 3 Dual temperature

    $174.99

    This compact and lightweight Mini 3 dual temperature meter features two temperatures output. This meter can give you precious information such as...

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    $174.99
  • DL-01T Water temperature meter
    KOSO

    DL-01T Water temperature meter

    $199.99

    Koso’s DL‑01 meters use a reverse LCD display so when the meter is turned off, the screen is deep black.

    $199.99
  • SUPER SLIM STYLE Thermometer °F version
    KOSO

    SUPER SLIM STYLE Thermometer °F version

    $74.99

    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...

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    $74.99
  • SUPER SLIM STYLE Thermometer °C version
    KOSO

    SUPER SLIM STYLE Thermometer °C version

    $74.99

    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...

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    $74.99
  • I-GEAR Thermometer °C version
    KOSO

    I-GEAR Thermometer °C version

    $75.99

    The small and compact size of the i-Gear thermometer makes it very easy to install at almost any location on the ride. The blue or red illuminated ...

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    $75.99
  • DL STYLE Universal Tachometer
    KOSO

    DL STYLE Universal Tachometer

    $229.99

    The DL style meter serie is built using a reverse LCD screen that gives it a unique look as they become completely dark when turned off. Another g...

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    $229.99
  • XR-01S Speedometer
    KOSO

    XR-01S Speedometer

    $188.99

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

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    $188.99
  • RX-2 GP Style Speedometer
    KOSO

    RX-2 GP Style Speedometer

    $564.99

    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 ...

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    $564.99
  • DB-01R+ Speedometer
    KOSO

    DB-01R+ Speedometer

    $325.99

    Our DB‑01R+ multifunction meter is an upgraded version of our popular DB‑01R multifunction meter. Perfect for motorcycles, street fighters or dual‑...

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    $325.99
  • EX-02 Enduro Speedometer
    KOSO

    EX-02 Enduro Speedometer

    $148.99

    Developed by Enduro riders and made especially for them, this EX‑02 speedometer is the perfect solution for all Enduro applications. Lightweight, c...

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    $148.99
  • TNT-01 Multifunction meter for Harley-Davidson
    KOSO

    TNT-01 Multifunction meter for Harley-Davidson

    from $329.99

    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...

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    from $329.99
  • TNT-02 64mm Multifunction meter
    KOSO

    TNT-02 64mm Multifunction meter

    $299.99

    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...

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    $299.99
  • RS-2 Multifunction meter and Data recorder
    KOSO

    RS-2 Multifunction meter and Data recorder

    $519.99

    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...

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    $519.99
  • DB-02 Digital LCD Meter
    KOSO

    DB-02 Digital LCD Meter

    from $329.99

    This DB‑02 multifunction meter was especially made to fit your off‑road needs. Its small inner battery makes it usable on all dirt bikes and ATV’s ...

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    from $329.99
  • DL-03A, Air/Fuel ratio & RPM data logger
    KOSO

    DL-03A, Air/Fuel ratio & RPM data logger

    from $539.99

    The DL-03A is the newest addition into our lineup of multifunction meters which features air fuel ratio reading, RPM and playback ability to opti...

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    from $539.99
  • GEAR Indicator
    KOSO

    GEAR Indicator

    $229.99

    Gear indicatorR: N, 1, 2, 3, 4, 5, 6 Effective temperature range14 ~ 140 °F (‑10 ~ 60 °C) Effective voltageDC 12 V Meter standardJIS D0203 M...

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    $229.99
  • MINI 4 Engine hour meter
    KOSO

    MINI 4 Engine hour meter

    $88.99

    Our hour meter will allow you to track the motor running time and schedule your next engine maintenance. User-friendly and quick to install, this c...

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    $88.99
  • MINI 3 Clock and voltmeter
    KOSO

    MINI 3 Clock and voltmeter

    $134.99

    This compact and lightweight Mini 3 clock & volt meter features a clock and also the vehicle voltage. This meter can be very helpful especially...

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    $134.99
  • SUPER SLIM STYLE Voltmeter
    KOSO

    SUPER SLIM STYLE Voltmeter

    $59.99

    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...

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    $59.99