Hi gents
The bike made 85hp/62tq and +4 swingarm My weight 171lbs.
I Roll racing on asphalt!
No dig race no dragstrip!
I tried AR 18x10x10 not sure what compound but no traction at all!
I’m thinking to go 21.5x10x10 SD23 or should I go with smaller such as 20, 20.5 or 21?
Thanks in advance