On 04/14/2017 12:44 AM, Orc wrote:
On Thursday, April 13, 2017 at 1:10:25 PM UTC-7, Ash A wrote:

    Trying to make up my mind as to whether I should buy P50 fender or
    P55.

    I like P50 much better in terms of fit and looks.

    Seems like 650B x 42 is the widest tire I can go if I install P50,
    so  I bought a pair of Pari Moto 650b x 42.

    Before I commit to P50 I wanted to ask the experts here if I
    should keep an option open for wider tires and go with P55.

To be contrary, I'd suggest narrower tires.

Why would you want to do that? What benefit or advantage would you get from doing so?


My fat 650b tires are 38 Pari-Motos, which are perfectly happy at speed on loose gravel roads, but so are the Confrérie des 650B tires I ride on my faster 650b machines (and I have a pair of Schwalbe Ones @ 650x25b that are waiting for me to shuffle wheelsets so I can get them fitted on a pair of rims that can support 80-90psi; I do not expect those will ride very fast on loose gravel, but the target machine is for short brevets on mainly paved roads.)

Confréries fit very nicely under a 50mm fender and don't look obviously undersized there (I ran them under some reradiused 700c V-O Zeppelins on a couple of machines over the course of three years, only stopping when the Zepps started to fracture at the rear brake bridge) and 38 Pari-Motos (or CdlVs, or even the old PNW regional default of Hetres) look just right .

I'm about 6'1" and weigh between 170-190 pounds depending on how obsessively I'm riding, so I'm not exactly a featherweight. The only thing that might make it easier for me to ride (relatively) narrow tires is that I shove my handlebars between 5-6 inches lower than my saddle so I float myself between the bars and the saddle except when I'm falling over with exhaustion; if you're going for a riv fit, your weight balance might be back far enough so that what I consider ballon tires won't give you enough float to compensate for the constant rumble of loose gravel or crappy city streets.

-david parsons



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