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[Richard230]

Can a 3d-printed plastic spanner be strong enough to function?

No, it will bend.  I have a bunch of shock spanners collected over the years, including at least one that has a pivot on the hook end that is quite useful. Even better, I have one that is just the hook part that attaches to a 3/8 inch drive ratchet wrench that works really well as you can use the ratchet to provide just about any horizontal angle that you need for leverage.  However, as mentioned above, Zero doesn't give enough clearance between the controller and the shock adjustment ring for most wrenches, so I like rider 7's solution to the problem.

[rider7]

Even better, I have one that is just the hook part that attaches to a 3/8 inch drive ratchet wrench that works really well as you can use the ratchet to provide just about any horizontal angle that you need for leverage.  However, as mentioned above, Zero doesn't give enough clearance between the controller and the shock adjustment ring for most wrenches, so I like rider 7's solution to the problem.

Richard,


I have the hook only one too, but couldn't get it to work, although I'll check it again since I think the nose thickness was something I didn't expect to be an issue.
Come to think, there is nothing that should have prevented it from going in, since the radius was good.
If this one works with a ratchet, oh... you know what, you are right, I remember, the fins are on the way..... never mind.


For $9.98 (times 2) at cycle gear and a bit of modifying, I think it's a good solution.


I'll try to out an adjustment hinge in there to have one for both directions.


I'll post pictures.


R7

[gt13013]

I used this solution successfully

[qtisme72]

Has something like this been tried?

[TheRan]

I used one similar to that but the pin at the end was more of a hook shape, had to shave it down to about half the width with an angle grinder to get it to fit.