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COMFORT + EFFICIENCY = PERFORMANCE

ARCH SUPPORT: Sidas 3Feet Slims vs G8 2620s

Last Updated on May 21, 2020 by stevehoggbikefitting.com

In terms of cycling foot correction, quality arch support trumps everything else. Wedging and shimming should be attempted as necessary after quality arch support is in place. For more about this, please see Foot Correction Part 1: Arch Support. There is plenty of detail in this post which was written some time ago, though it has been updated. At one time or another I’ve tried most of the arch support options out there and have settled on  G8 2620’s and Sidas 3 Feet Slim insoles as my preferences. The aim of this post is to succinctly explain the differences between them so that anyone intending using them can make an informed decision.

G8 Performance’s Pro Series 2620

Pros:

  • Five interchangeable arch inserts that clip in securely and deform under load to maintain contact with the arch while minimising  the chance of pressure hot spots developing in the arch.
  • Adjustable placement potential for arch inserts, fore and aft, and to a lesser extent, laterally.
  • Rigid rear foot support underneath.
  • 4 sizes – Small: 37 – 40 / Medium: 41 – 43 / Large 44 – 46 / X Large 47 – 49, all with cut lines on the bottom to trim to fit. Four sizes doesn’t sound a lot, but the movable arch support inserts allow a range of customisation within any size that gives them the ability to reduce the number of sizes
  • Exceptionally durable.
  • Thin forefoot meaning more vertical space in the shoe toebox.

Cons:

  • More expensive than some other options.

Sidas 3Feet Slims

Pros:

  • 4 sizes: S 36 – 38 /M 39 – 41 / L 42 – 44 / XL 44 -46   Each is available in three arch heights: Low, Mid and High
  • These are an example of a ‘neurological awakener’ type insole. For more about this click here
  • Very thin forefoot allows more vertical space in shoe toeboxes.
  • Semi rigid heel cup and midfoot.
  • Relatively inexpensive for what they offer.
  • Durable relative to cost.
  • Suitable for narrow to wide feet
  • Fixed sizes means nothing will move around.

Cons:

Largest size, XL isn’t long enough for most size 47 or larger shoes. In this case, Sofsoles XL’s or G8 XL’s  are the best options

 

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Comments (2)

  1. Hi
    Thanks for this honest analysis, though wonder if you have ever come across these:
    http://www.solestar.com/

    I have them and while I’ve not used any of the others mentioned here I find the Solestar amazing, even magical.

    Thanks
    Paul

    1. G’day Paul,
      I’ve only seen 3 or 4 pairs of Solestars. They’re very expensive here, around $300 which explains their rarity. The interesting thing from my point of view with Solestar, is that they build up the outside of the forefoot of the insole which is contrary to my experience of what most people need. Of the pairs I’ve seen, I replaced all but one and modified the one that I didn’t replace. It’s hard for me to have a strong opinion though, based on such a small sample.

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