RGK Octane s4

RGK Octane Sub4

The Lightest Titanium Wheelchair


Looking to order an RGK wheelchair? Our expert staff will work with you to perfectly measure and build your chair exactly how you want it. View the full order form below and get started with a wheelchair expert today.

The Octane Sub4 frame has natural in-built shock absorption to soak up road vibration, which means that it will deliver a super-smooth and comfortable ride quality like no other. The titanium frame has a far greater ability to bend without breaking, elongating by up to 25% compared to around 15% for steel and 8% for aluminum. Alongside the smooth ride, beauty, and lightness, the Octane Sub4’s material is out of this world. Strong as steel but 45% lighter, titanium has the highest strength-to-weight ratio out of all the known metals. A breeze to push, wherever you go, it’s built to be durable, so you have peace of mind knowing you can take it anywhere. Only the best materials are used in your Octane Sub4. Titanium is famous for having all of the positives of aluminium with the additional bonus of a natural shock absorption by the material itself. The utmost best performance of your chair is ensured by only using elements produced by market leaders, alongside a staggering 19 quality checks throughout the build, from measure to handover. Many non-certified wheelchair options available

  • Frame

    Titanium Grade 9, Titanium fasteners used throughout

  • Wheels

    Compact wheel locks with lightweight mounting system

  • Other

    Optimized axle and pin set up with Titanium sleeves | Sports bearing housing

  • Seat Depth


Frame & Geometry

  • Total Weight

    Less than 8.8lbs guaranteed* (excluding wheels and cushion)

  • Weight Limit

    242 lbs

  • Seat Width


Standard Features

  • Made to measure
  • Lightweight Carbon fiber footplate with a weight-saving hole
  • Rigid and lightweight
  • Perfect toe in toe out for a minimum drag
  • Optimized biomechanics for maximum power and efficiency
  • Optimized single tube design
  • Low profile cross braces

Included Accessories

  • New stem bolt complete with integrated washer
  • New low profile castor arm design



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