So Dialed Logo

Gear Ratio Calculator

Dial in your pinion and spur in seconds — free, with rollout and FDR.

Calculate
Setup guideSource: Joe Richardson RC

On-Road Race Day Tyre Prep with Joe Richardson RC

Joe walks through checking, cutting, prepping inserts, balancing, and gluing your race-day tyres — full and sidewall.

Setting up your car? Ask the AI Mechanic

Get tuning, gearing, and troubleshooting advice tailored to your car. Free to start, no signup.

Open AI Mechanic →

A full walkthrough of on-road race day tyre prep, from Joe Richardson RC.

Deals on Tires & Wheels

Pre-glued sets, inserts, and new compounds from the brands you run.

Deals

Learn more about...