True Axle Pro - Rear Axle Width Laser Measuring Tool

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.

Compact Kit Includes:

• Softcase
• Laser Module Unit
• Receiving Unit
• Calibration Jig
• USB Charge Cable
• User Guide

Full Sized Kit Includes:

• Water & Dust Proof Carry Hardcase
• Laser Module Unit with adapter receivers
• Receiving Unit with adapter receivers
• x6 Adapter Arms to measure from tyre not rim
• Calibration Jig
• USB Charge Cable
• User Guide

Key Features & Benefits

• 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 Plate Insert
  A snug-fit adapter plate locks into standard 118mm internal diameter rims, holding your measurement point firmly in place.

• Compatible with All Axle Sizes
  Works seamlessly with 30mm, 40mm, and 50mm axles across cadet, junior, and senior karts.

• Fits Standard (Non-Ribbed) Rear Rims
  Perfect for rims like Kart Republic and other industry-standard wheels.
  ⚠️ If you’re running OTK rims with internal ribbing, be sure to select the OTK Fitment Option at checkout.

• No More Tape Hassles
  Traditional methods never allowed tape to pass through a 30mm axle — this laser system solves that forever.

• Stealth Setup Advantage
  Keep your setup secrets — measure in silence without anyone seeing your true axle width.

How It Works

1. Insert the provided adapter plate into the inside of one rear rim.

2. Place the laser tool on the opposite rim.

3. Activate the laser — you’ll get a precise measurement of the overall axle width instantly.

4. That easy!!!

Why Axle Width Matters

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.

Who Is This For?

• 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.