Tire bump?
If you’ve ever had a tire that didn’t seat properly, you’ll know exactrly what this means. Usually you can just let the air out and try again. Apparently some tires are worse than others and require special treatment.–corrie
A Cheap Substitute For Tyre Lube
Badly seated tyre. Note the high spot above the valve.
My Surly Steamroller’s front tyre developed a ‘high spot’ after I changed the inner tube last weekend. This resulted in an annoying bump with every rotation of the front wheel during last Sunday’s ride. Believe me, after 20 miles it really gets on your nerves.
Corrie maintains the 
