what brakes wrote:
Ive used GT85 for many years including MTB and never had a chain rust....
Finish line Cross Country Lube. Goes on the mountain bikes all year round and on the road bike in the winter.
Father Jack wrote:
oh dear GT85 is not a chain lube. It's suitable for inner brake cables, and squirt on cassette rings, and that's it.
I don't think the OP means seasonal as such, he's probably talking about that here in the UK, we have wet Autumn and Winters, and we also put a lot of salt/grit on the roads. So he needs a lube that copes well with that. Of course, you could also need those same properties of lube if you went out for a ride in June and it rained.
I'll just add another vote against GT85. GT85 smells lovely, it's great for getting rid of squeaks on gates, a dab on non weight bearing pivots is also great. But in my experience, it's not a good chain lube because you have to reapply it very frequently. I doubt if one spray would last a decent Sunday ride for me. Far more economical to apply some thicker lube from a dropper carefully to the inside of the links and wipe away the excess.
Personally I use Finish Line Cross Country for bad weather, and use the dry wax lubes for dry weather. For me as I have 2 bikes, that means my summer bike gets the wax treatment and the winter gets Cross Country.
someone called softlad uses gt85 on a chain, i say no more
Using the same lube as the pros is great if you get free chains like them as well. For the rest of us a lube that actually gives decent lubrication over long periods would be better.
GT85 displaces water, so stops rust. It will lubricate a bit. Better to use a thicker lube in winter. Any will do the job. All attract dirt and you need to keep the chain clean.