S40 not holding fit adjustment on smart trainer

[James Lombardo]

I tried putting my s40 on my kicker and while it fit and I could ride it wouldn’t hold the fit. It kept backing out such that the reach for my legs became too long and would hurt my hamstrings.

I’m not terribly mechanically inclined but there seems to be only one screw holding the adjustment and it’s not strong enough.

Anyone else experiencing this or am I missing something?

 

[Boreen bimbler]

Have you used it on the road and does it all stay in place there?
When I first got my S40 I put it on my Neo t2 with no problems.
I assume you mean the boom extends while using it on the trainer? If so maybe loosen it off (and the BB clamps and axle) slip it out a bit and make sure it's all clean, dry and grease free before tightening it back up. I tighten mine pretty snugly as I get creaks otherwise. I'm assuming you know how much/little to tighten the BB clamps? If not check out one of the cruzbike videos.
I hope I got the problem your experiencing correct and if so hope this helps.

 

[Mathew Fy]

make sure it's all clean, dry and grease free before tightening it back up

I use some assembly compound. It seems to improve tightening and grip while protecting against corrosion.
I had the same problem when I first started out.

SAC-2 SuperGrip⢠Carbon and Alloy Assembly Compound

Create a tighter grip between two slippery surfaces. Ideal for carbon fiber, aluminum and steel seatposts, handlebars and stems.

www.parktool.com