Dirt Bike Tire Sizing Chart

Bike
Front
Rear
Front Option
Rear Option
PW50
2.5-10
2.5-10
 
 
50SX Mini
2.5-10
2.5-10
 
 
50SX
2.5-12
2.5-10
 
 
65cc
60/100-14
80/100-12
 
 
85cc 17/14
70/100-17
90/100-14
 
 
85cc 19/16
70/100-19
90/100-16
 
 
125cc/150cc
80/100-21
100/90-19
 
 
250cc 4T
80/100-21
100/90-19
90/100-21
110/90-19
250cc 2T
80/100-21
110/90-19
90/100-21
120/80-19
450cc
80/100-21
110/90-19
90/100-21
120/80-19
For Reference Only, Please consult owner’s manual