0
votes
1answer
82 views

What could cause an inflated tire to be “untrue” on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...
13
votes
2answers
707 views

Should spoke tension be measured before or after adding a tube and tire?

I built my first set of wheels and measured the spoke tension when I finished. They were all uniformly tense at about 100kg of force. Once I put the tire on, that measurement went down a little, to ...