Prisma HPM5 Digital Tire Gauge and Stopwatch Karting Helmet which must be purchased separately

which must be purchased separately

Dimensions of washer: 20mm OD x 4mm Thick x 6mm ID

long lasting heat treated shoes (they are thick construction)

and something that is not as expensive as a ceramic hybrid bearing

Prisma HPM5 Digital Tire Gauge and Stopwatch Karting Helmet which must be purchased separatelyThis is hands down the number one tire pressure gauge on the market for both go kart and car racers! Now with the Prisma Electronics App, you can wirelessly connect your instruments to view and export all stored sessions! With the built in stopwatch, accurately check and save your tire pressures and time four of your competitors all in one device. Keep track of both hot and cold tire pressures for multiple sessions as well as lap times for four