How to Grind, Groove and Sipe Your Tire for Dirt Track Racing | Hyper Racing 

I sipe my mountain bike tires when they're getting old. It's like getting new tire traction. I just use a razor knife. Great video.

Love this show dirt and dry and wet and pavements and concrete surfaces and types and best cuts for each and others if in racing can help with there tips and what types of racing to them cuts are best

Really good video

I would like one of these

What would you recommend for small dirt oval gokart racing? I'm currently running on burris TX-11's all the way around. 12×8x6 on the rear, and 11x5.5x6 on the front.

Its so satisfying..

My car needs continous wheel alignments becuase my tyres are always worn out on one side. can this tool be used on any car tyre? That will save me money if that is the case.

Where can i buy this tools.pls help

trying to find videos on the zig zag groove siping

Thanks

What wheels is this?

Why doesn’t Hoosier just do this anyway ?

stupid tire engineers cant make it good from start.

Where can i buy this tools.pls help