thunder side


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About the Thunder

PER4MAX Thunder is an elite performance sports wheelchair built by the best for the best!  Offered in different configurations depending on sport, the Thunder has propelled elite athletes for decades in an array of sports! Crush the courts in our featherlight tennis model with it’s eliminated front bumper and extended 5th wheel!  Ball with the best of them in a sturdy custom fit tapered lightweight basketball chair. Take on the softball field, rugby courts, lacrosse field, or running trail with The PER4MAX Thunder!!  The Thunder is hand built in the USA with aircraft quality aluminium and custom P4X machined parts highly scrutinized to produce a precise end product!  Also offered in 7000 series to reduce weight and increase rigidity! This chair is built custom with a rigid design eliminating the extra nuts & bolts while maintaining adjustability in the right places!  To get your Thunder contact a local sales rep, or contact us here at P4X INC for more info!

BUILD & CUSTOMIZE | Literature | Order Online with Form | PDF Order Form | Manual

Standard Features

  • Custom Aluminum Frame
  • IMG_2920Powder Coated Frame or Polished Aluminium
  • Rigid 5th Wheel
  • Adjustable Center of Gravity
  • Light Weight 19 lbs. Avg.
  • Nylon Black Upholstery
  • 3″ Casters
  • Backrest Bar Impact Foam
  • 2″ Foam Cushion
  • 3 Year Limited Warranty

Optional Features

  • Ultra Lightweight 7000 Series Aluminium
  • 5/8″ Axle
  • Removable 5th Wheel
  • 6th Wheel
  • Adjustable Rear Caster Stem Set
  • Spinergy Wheels SL, SLX, X-Lace, R10
  • 12 Tab Handrims
  • Custom Footrest Adaptations 
  • Special Colors Combinations
  • Click Straps; Lap, Foot, Waist
  • Leather Upholstery with Air  Mesh
  • Tension Adjustable Backrest Upholstery
  • Tension Adjustable Backrest
  • Carbon Fiber Accessories
  • Solid Seat Plate
  • Solid 2″ Foam Cushion or Custom
  • Continuous Backrest