Thread: How much air goes from the tire to the pump when you plug it on the valve?
View Single Post
Old 04-19-21 | 06:34 PM
  #50  
downtube42's Avatar
downtube42
Broken neck Ken
15 Anniversary
Community Builder
 
Joined: Oct 2008
Posts: 5,221
Likes: 3,516
From: Portland, OR

Bikes: Trek Domane SL6 Gen 3, Soma Fog Cutter, Detroit Bikes Sparrow FG, Trek Mt Track XCNimbus MUni

A presta pump that mechanically depresses the valve is an abomination.

But the answer is clearly 42psi for a high pressure tire, 4.2psi for a low pressure tire, and 0.42bar for the civilized world.
downtube42 is offline  
Reply
1