Progressive Suspension Gauge Mounted Shock Pump Options:0-60 PSI Race-Proven Design: The Maxxis M931

Race-Proven Design: The Maxxis M931 Razr features a race-proven tread pattern

Size Reference: SM = 4-6

Includes 12mm and 18mm O2 sensor port plugs

It has a magnetic Fidlock quick-release chin strap

The new reference for mileage in Sport Touring tires

Progressive Suspension Gauge Mounted Shock Pump Options:0-60 PSI Race-Proven Design: The Maxxis M931A handy source of air pressure for adjusting pressure in your forks and air shocks. FEATURES Perfect for air shocks, forks and emergency tire repairs. For use with a variety of makes and models. Easy to operate. Let down valve allows for minute adjustments. Check valve for no leaks and ability to disconnect.