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Coil Shock on a Trail Bike?

10K views 10 replies 8 participants last post by  Tommy E  
#1 ·
Hi everyone,

Looking to upgrade my 2020 Trek Fuel EX rear shock. I'm already upgrading the fork to a 150 Lyrik to make it a "mini-enduro" true quiver killer. Should I get a coil for the rear?

I'm worried a coil will blow through the short 130 travel too quickly and also make it less poppy for jumps. On the other hand, my local trails are truly gnarly and a coil would be nice for all those rocks.
 
#2 ·
I seem to recall the 2020 fuel ex having a relatively linear leverage ratio. Am I remembering correctly? If so, a coil unfortunately may not be your best option on this bike given it’s travel numbers and linear leverage curve. On bikes with more travel and linear leverage ratio curves it can be a little bit easier to get away with this and make it work, but generally speaking coil shocks are more suited to a progressive leverage ratio.
 
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#6 ·
Depends, if the rate does not support a coil, I would not recommend it. Despite all the gizmos to try and overcome this, some bikes LRs are just too optimized for air to attempt it.

But if it does, once you go coil, you won't go back.
 
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#7 ·
I'm seeing a fork/frame mismatch. Will that Lyrik at 150mm be replacing a Pike at 130mm? I went through something similar by putting a 160mm Lyrik on a 140mm travel Trek Remedy 9.8, which is already more robust than the Fuel EX. It didn't feel right (imbalanced, steered all wonky) and I eventually ended up returning the Remedy to stock form with the Pike then put the Lyrik on an Evil Wreckoning LB for more appropriate balance. I'm not sure that adding a 130mm coil shock will get you the mini-enduro bike you want.
 
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