Rally computers and tripmeters shaped by the feedback of rally crews worldwide — from the jungles of Thailand to the high-speed stages of the WRC.
Professional-grade precision, made accessible — for seasoned crews and the next generation of rally enthusiasts.
ARM products designs and builds rally computers and tripmeters in Japan. Every model starts from what crews need on the stage: readings they can trust, controls they can use with gloves on, and displays they can read at a glance.
Our "Made in Japan" quality is shaped by the feedback and demands of rally competitors around the world.
GNSS models measure with GPS and need no wiring to the car. Speed-signal models read the vehicle’s speed pulse for stable distance in tunnels and forests.
The all-round GPS dual tripmeter for stage rallies.
Forged in the jungle, proven in the heat. Built for years of Thai rally raids and AXCR.
A small GPS tripmeter with clock and speed, powered from USB-C.
The GPS version of our regularity rally computer.
The successor to the SS2018, upgraded with stage and average tools.
The standard for speed rallying, and our best seller.
The speed-pulse compact tripmeter. Launching early 2027.
Engineered for Japanese regularity rallies, with frequent average-speed changes at any point.