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the bolts holding in the rear shock were finger tight
Shock bolts should be tight from the factory yes, as should a certain percentage of the bolts on all bikes. As the bikes out of the box are mostly assembled, they need to be built, torqued to spec and checked over.
All shops are guilty of not using a torque wrench. I spent time with a racing team and I was laughed at for asking for one.
Go figure.
This.
It’s too worryingly often I’ve seen bike being build without a torque wrench, from Decathlon to high end bicycle shop.
Especially the recent changes where lots of bicycle shop (inc. Evans) are getting sales assistant to build bikes instead of a dedicated bike builder.