Bad valve on tube?

[jessmarimba]

The pump itself is three years old, and of that three years, I wasn't riding probably 1.5 of them. I'm thinking that the first tube was likely damaged when the shop took it off the niner, probably not expecting I'd try to use it again.

Going with slime tubes because it's much cheaper than converting this bike to tubeless. Both times it's flatted before this debacle were due to thorns stuck in the tire which is precisely what the slime should be able to prevent. Though if it was a lighter bike it wouldn't be worth the added weight.

[Sky King]

Slime tubes are extremely popular in our area, especially in the fall as we have major goat head problems. Yes, they can be messy but in theory, they make on the fly flats easy as you remove the thorn, spin the tire and reinflate.

I have been riding the Grand Bois Hetre's on my touring/adventure bike and ended up putting a Mr tuffy type liner in after two back to back flats and haven't had a flat since.