Non rocker-equalising tandem springs are the economy option for setting up a tandem wheeled trailer. CM recommend using rocker equalisers. See chart below regarding performance.
Spring kit - set
CM Axle Spring U Bolt Kit -Square Axle
By: CM Trailer Parts
4 x M12 U Bolts & nyloc nuts
2 x Fish plates 8mm thick
Galvanised
Note:- All U bolts must be retightened after the firs[...]
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