Bike Forums - View Single Post - Pump recommendation

04-08-10 | 01:56 PM

#10

merlinextraligh

pan y agua

Joined: Aug 2005

Posts: 31,812

Likes: 1,233

From: Jacksonville

Bikes: Willier Zero 7; Merlin Extralight; Calfee Dragonfly tandem, Calfee Adventure tandem; Cervelo P2; Motebecane Ti Fly 29er; Motebecanne Phantom Cross; Schwinn Paramount Track bike

Quote:

Originally Posted by twicethefun

Our tire size is about to down from 28 to 25 and it seams that 16gr CO2 cartridges will not be of much help if we have to repair a flat on the road (it wasn't great from the beginning but the 28 tires can run lower pressure).

I've been shopping but can't find anything satisfying: I want a pump that works well, will pump up to an actual 135psi and that will not offend my minimalist-CO2-cartridge-user's eyes.

Any recommendations?

I'm not sure I'm following the logic here. There is the same amount of gas inside the tire if you empty a 16g cartridge into a 28mm tire or a 25 mm tire. Thus as the volume of your tire decreases going from 28mm to 25mm, the pressure from a given size C02 cartridge will increase.

In our experience a 16g cartridge puts plenty of pressure into a 25mm tire. Of course we also don't run our tires at 135psi.

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