mtn bike tyre advice Forums › Mountain Bike Forum › mtn bike tyre advice Tweet Add to Flipboard Magazine. Tagged: sidewall, tire, tires, tyre, tyres Viewing 1 reply thread Author Posts April 5, 2017 at 06:03 #211990 EmuEmu I’ve noticed some wear in my tyre sidewalls. Is this serious or can I get many more km from them? April 5, 2017 at 08:01 #211994 Jeff Barber That looks pretty bad to me. I would replace those tires. How did they get worn like that? Author Posts Viewing 1 reply thread You must be logged in to reply to this topic.