Mountain Bikes · Public discussion

Tyres - width/tube/pressure

Started by mtparki · · Last activity · 3 posts · 1,739 views

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Mountain Bikes
Published
24 August 2007
Last activity
25 August 2007
Original author
mtparki
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3
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  1. I've got a MTB with Weinman Zac-19 rims and I'd like to fit them with GEAX
    Street Runner 26 x 1.60 tyres.

    1 The man at the bike shop said that 1.60 wide tyres would fit on my rims.
    How do *I* know that?

    2 I've read that the GEAX Street Runner should be inflated to 100PSI. Will
    a standard car pump at the garage inflate to this pressure?

    3 Will a standard bike tube (1.50-1.90) be okay, or should I get a special
    tube?

    thanks

  2. 1) Most mtb rims will accept 1" to 2.35"
    2) The 1.6" has a rating of 45-75 psi, the 1.25" has a rating of 65-100 psi. I don't know if a garage car pump can produce that or not.
    3) The tube should be slightly less than or equal to the tire size, so theoretically a 1.5" to 1.9" tube should work for a 1.6" tire.

  3. Most garage compressors can produce about 120psi but may be regulated lower to suit their needs.
    A bicycle floor pump is a good investment for any cyclist.

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