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What wheel size is best for an outdoor walker?

For an outdoor walker, wheels of 12–14″ (31–36 cm) give the best balance of comfort, manoeuvrability and stability — they roll over uneven pavements, gravel, grass and small obstacles far more easily than small, hard castors. Trionic offers three wheel sizes so you can match the walker to your terrain.

Trionic wheel sizes:

  • Walker 9er — 9″ / 23 cm SuperSoft solid tyres: most compact and puncture-free, ideal for pavements and easy transport
  • Walker 12er — 12″ / 31 cm pneumatic tyres: the everyday all-rounder for mixed terrain
  • Walker 14er — 14″ / 36 cm pneumatic tyres: maximum roll-over for rough trails and forest paths
  • Trionic Veloped — three wheels with large pneumatic tyres and a patented Climbing Wheel for true off-road terrain

Last updated: July 2026.

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Product Reviews    

  • Trionic 14er Walker…

    This is a great walker...very well made and design...great walker if you are 2 meter tall like me...thanks again for the team at sweden for all your help.

    from Steve
    Brisbane, Australia…

  • Very stable even on bumpy terrain…

    The Walker is very helpful on cobblestones and forest paths, yet still relatively light, and a bit bulky in the car boot.…

  • An Indoors Walker…

    This is my second Walker 9er. We gifted the first one to a dear friend who was unable to buy her own and after a trial run it was clearly just what she needed to become more mobile. She is in her nineties and would agree with all my comments in thi…

  • My Trionic Trekker 12 came yesterday……

    My Trionic Trekker 12 came yesterday and within 5 minutes had it’s wheels on, a bottle of water in the basket and we were on our first walk off pavement in over 10 years ...wonderful! There were flowers, painted stones someone had left for others to …

  • Good service and Very Fast Delivery…

    The company sells one of the absolute best walkers I have ever tested.…

  • The Trionic Veloped came into our lives...…

    The Trionic Veloped came into our lives and has made many things easier. It's now fun to go for walks "like we used to" again.

    I can highly recommend the Veloped.…

  • Very good…

    Very good, in-depth and quick consultation in chat, always very friendly, quick delivery, easy to understand and punctual, all additional parts were mounted on the Veloped, only the tyres had to be attached. The Veloped is just great; my daughter onc…

  • Sturdy Product -…

    Since I got a new car I was finding it more difficult to get the walker in and out of the boot area. Keeping the walker inside the cover has made moving it much easier. It also means any muck on the wheels doesn't transfer to the car before I get th…

  • Buying a ROLLATOR…

    Did a brochure request which arrived promptly from Sweden - why can’t local companies manage this!

    Realised I would be a questionable size in terms of fitting their machines. So I rang and got through almost immediately and had an extremely inform…

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