The Sportmax Q4 is Dunlop’s highest-performance DOT-approved tire, purpose-built for track days.
PISTON KIT HC FORGED 76.94/STD 13.5:1 GAS/ Gas-Gas EC 250F 2010-2015 Yamaha YZ250F 2005-2013 Yamaha WR250F 2005-2013
PISTON KIT FORGED 76.96/STD 13.8:1 Kawasaki KX250F 2017-2019
TIRE SPORTMAX GPR-300 FRONT 110/70R17 54H RADIAL TL
TIRE SPORTMAX GPR-300 FRONT 120/60ZR17 55W RADIAL TL
PISTON KIT HC FORGED 76.94/STD 13.5:1 GAS/ Gas-Gas EC 250F 2010-2015 Yamaha YZ250F 2005-2013 Yamaha WR250F 2005-2013
PISTON KIT FORGED 76.96/STD 13.8:1 Kawasaki KX250F 2017-2019
TIRE SPORTMAX GPR-300 FRONT 110/70R17 54H RADIAL TL
TIRE SPORTMAX GPR-300 FRONT 120/60ZR17 55W RADIAL TL
The Sportmax Q4 is Dunlop’s highest-performance DOT-approved tire, purpose-built for track days.
| Weight | 14 lbs |
|---|---|
| Dimensions | 25.91 × 25.91 × 7.44 in |
| Brand | |
| Model |
| Width | Ratio | Rim |
|---|---|---|
| 180 | 60 | 17 |


