Old 10-15-15, 02:54 PM
Me duelen las nalgas
canklecat's Avatar
Join Date: Aug 2015
Location: Texas
Posts: 9,070

Bikes: Centurion Ironman, Trek 5900, Univega Via Carisma, Globe Carmel

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Originally Posted by Little Darwin View Post
That damage does indeed look to me like someone rode the tires under-inflated, This is further evidenced by the valve being at that odd angle that usually happens when you ride under-inflated tires. Unless you ride the new tires under-inflated wider tires shouldn't make this issue any worse.
Thanks. Underinflation may have been a factor. I rode the bike a few times before getting a pump, around 1-5 miles per trip at very modest speed on pavement. I think the pressure was around 40-50 psi when I got the pump. The Specialized Hemispheres recommendation is 75-100 psi. Now I usually keep it around 80.

Does your bike have clearance for 46 mm tires?
Seems to, but I'm just eyeballing the brakes and frame. It's a stock Specialized Globe Carmel from 2009. Brakes look like Promax low end linear pull brakes (in ye olden days I would have call these side pull), with enough adjustment to clear slightly wider tires. Frame looks wide enough.
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