[python] Re: Rear Suspension

  • From: paul needham <paul.2.needham@xxxxxxxxx>
  • To: python@xxxxxxxxxxxxx
  • Date: Tue, 19 Oct 2021 17:18:45 +0100

Steve

Do the 75mm cranks limit the lean ?

Can you buy decent wheels and tyres in 16" , all the ones I have come across are definitely at the ' junk ' end of the spectrum [ although I only get ' free ' stuff :-) ]

I have the old ' Cycle Zoo ' book , how much ' new ' content would you guess has been added ?

Paul


On 19/10/2021 09:36, cesnur@xxxxxxxxxxxxxx wrote:

 Hi Jurgen and all.

My experiences with iLean is very positive, but I made some early decisions which have made them work for me, they are

Use 75mm unicycle cranks: this minimises wheel scrub during cornering.

Use custom made shafts to mount wheels, that is bbshaft at https://www.thingiverse.com/thing:4201871/files

Use 349 size 16" wheels, these take up a bit less space, and the iLean mech provides good suspension despite the small wheel size.

Up till a few weeks ago when I made the rear suspension bike, 90% or so of my riding was on iLean and that has included a flat 1200k Audax ride. In general I explain it by saying it's just a way to make the frame simple and that overall the cycle remains simpler than if you had a split rear fork. I think every other leaning trike mechanism is more complex.

Overall I wouldn't have used them as much as I have if they didn't give good results.

Best wishes

Steve Nurse






    Thanks Steve.

    What are your experiences with the iLean tilting mechanism?

    Regards from Jürgen.



    Am 19.10.2021 um 05:00 schrieb cesnur@xxxxxxxxxxxxxx:
    >  Hi
    >
    > In the past few weeks I've built a rear suspension trike and
    have just
    > finished a summary of the build. The suspension depends on having a
    > hollow rectangular frame. My build is on a fixed bottom bracket
    front
    > wheel drive bike, but I think the idea would work just as well
    on an MBB
    > like the python. Here is the link,
    >
    http://modularbikes.blogspot.com/2021/10/rear-suspension-bike-summary.html
    >
    <http://modularbikes.blogspot.com/2021/10/rear-suspension-bike-summary.html>
    > Regards
    >
    > Steve Nurse
    >
    > modularbikes.com.au
    >
    >
    >
    >
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