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Currently only available for Junior and Senior karts with 40 & 50mm axles.
Latest release now suits all rim sizes with spring loaded depth control.
Measure Like a Pro – Solo, Precise, Instant.
Say goodbye to guesswork and second hands — Kart Gear has done it again. Introducing our latest industry-first innovation designed to make every kart mechanic's life easier: the Rear Axle Width Laser Measuring Tool.
Whether you’re a dad in the pits, a solo driver, a team mechanic, or running a national-level team, you no longer need someone to hold the other end of the tape to get half accurate readings. Our laser measuring system gives you absolute axle width precision, quickly, solo, and with zero fuss.
V2 Variable Rim Size Kit Includes:
V1 Compact Kit Includes: (discontinued)
Measure Rear Axle Width Solo
No more calling for help or juggling a tape measure. Just fit, point, measure — you're done in seconds.
Accurate to ±1mm
With laser precision, you’ll get consistent, reliable readings every time — without second-guessing.
Innovative Rim Auto Fit
A snug-fit patented designed system fits all rim sizes from 115mm to 124mm internal rim diameter, holding your measurement point firmly in place.
Compatible Axle Sizes
Works seamlessly with 40mm and 50mm axles across junior, and senior karts.
Fits All Rear Rim Types
Our latest design fits perfect for any kart rim type, with design indent fixed into the sprung arms to miss any large bead lock screws.
No More Tape Hassles
Traditional methods never allowed tape to read 100% accuracy, with tape sag and mis measurement, we tested between tape sag and user error to be 3mm inaccuracy on most user trials using a tape measure. Our laser system solves that forever.
Insert the provided receiving adapter plate into the inside of one rear rim.
Place the laser tool on the opposite rim.
Activate the laser — you’ll get a precise measurement of the overall axle width within +/- 1mm instantly.
Rear axle width is one of the most critical setup elements in karting — affecting grip, balance, rear stability, and tire wear. Having the ability to measure your width accurately — anytime, anywhere — means better performance and faster tuning decisions.
Race teams who need quick, reliable setup changes between sessions
Solo drivers and dads doing it all on their own
Mechanics tired of tape measure guesswork
Anyone looking for a precision edge in kart performance
This is one of those tools that pays for itself in saved time, reduced setup errors, and peace of mind.
Stop guessing. Start winning.
Order your Kart Gear Rear Axle Width Laser Measuring Tool today.
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