I have Paul racers on my Roadeo and have fit 32mm tires with honjo fenders
on 19mm internal rims. Yes it worked, but it was annoying because leaves
kept getting caught. Thankfully never had anything significant get stuck
cuz worst case that could crumple the metal fender and jam it into the
wheel causing a not fun crash. So 28s work awesome with fenders. But this
winter I may split the difference and try Challenge 30s with fenders.
RItchey also makes a roadish 30mm tire. Without fenders I clear Compass 35s
on 19mm internal rims just fine. I hesitate to jam 38s because that seems
like it would get a little wide for my rims, and 35s feel plush and fast.
If anything, considering building some velocity quills (21mm internal) to
eek out a little more footprint on the 35s.
On Friday, November 15, 2019 at 6:51:38 PM UTC-8, Eamon Nordquist wrote:
>
> Matt said, "So what should I believe?"
> Believe it all. There just isn't one answer that fits everyone's
> situation. Yes, someone has fit 38's in a Roadini, despite Rivendell
> recommending 35mm as the max. That doesn't mean Rivendell was too
> conservative, it just means someone was willing to fit a 38 in there with
> very little clearance for debris, out of true rims, etc. (the pictures I
> saw showed a TIGHT fit). It's all about how little clearance you're willing
> to accept (or how much risk). On frames with that brake reach, 28mm with
> fenders and 35mm without are always going to be the safe bet. 32mm with
> fenders can probably fit too, but probably only with well setup fenders and
> no venturing offroad (where debris might get caught between fender and
> tire, causing a lockup). I've had a front fender get jammed, and when that
> fender accordions up to the fork crown, you are over the bars faster than
> you can imagine.
>
> There are a lot of factors to consider if you want 32mm tires and fenders.
> Do your brakes hang down low enough that you can't get your fenders snug up
> against the fork crown and chainstay? For most sidepulls, the answer is
> probably yes, and it's safer to stick with 28's. Centerpull brakes are your
> friend here, as they typically leave more clearance. My vintage Trek with
> similar clearance will fit 32's and fenders using Dia Compe 610 centerpull
> brakes, but no modern dual pivot sidepull I tried left enough room (at
> least with clearance I was comfortable with). The type of fenders can make
> a difference, and tire width/height varies from manufacturer to
> manufacturer, plus the rims the tires are mounted on can change the
> dimensions.
>
> Eamon
> Seattle
>
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