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Seriously wide rubber
 

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dan emery
Joined: 11 Jan 2004
Posts: 6294
Location: Maine

9/30/19 11:35 AM

Seriously wide rubber

Here is a Jan Heine blog on some Open bikes apparently with road geometry and 50-60 mm rubber. I think Nick has The UPPER (or something similar).

I just rode a century on my new 32s and loved the ride, but those are skinny compared to these.

https://janheine.wordpress.com/?utm_source=Retail+Customer+Newsletter&utm_campaign=18f1c0e36c-EMAIL_CAMPAIGN_2017_11_29_COPY_01&utm_medium=email&utm_term=0_f74fbd5ca8-18f1c0e36c-108703741&mc_cid=18f1c0e36c&mc_eid=1124689c2b

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Nick Payne
Joined: 10 Jan 2004
Posts: 2449
Location: Canberra, Australia

9/30/19 5:15 PM

Yes, I have the UPPER, and for the sort of trails they show in that video, I have a set of 650B wheels for it on which I run 50mm tyres (48mm nominal, but they inflate wider on 25mm internal width rims).

However, for most of the riding I do on that bike, which is a mixture of sealed roads and reasonably good quality fire roads, I use 700c wheels with 36mm tyres (the Compass Bon Jon Pass). Setup like that it's pretty much like riding a more comfortable road race bike - I take it out with the local ACT Veterans CC training bunch a couple of days a week, and don't really notice any handicap over riding my road bike.

<a href='https://photos.google.com/share/AF1QipMgJNWb5YN0i5VBJM6JJoGo9IRFh2B9F_ByT2lEeQdZcGnFZMsR4v5uA19sr12Aog?key=NzNyRUZUYVI0YWZBWHg1UXlXTEdmTDN6Mm94cDdR&source=ctrlq.org'><img src='https://lh3.googleusercontent.com/ie8ZwNUi-aMZzDZyZWSnUdqz6iikpqYE94H5zDCYsTQq8s9DXPlqUxf334uuJCCOP0WdeFhudt330L82f_0YqJFoMJ3rMsAsfYeHQxOcltxPT8nJNhjTzcSzYz786vVmGHSe01zejpM=w1200' /></a>

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Brian Nystrom
Joined: 26 Jan 2004
Posts: 4530
Location: Nashua, NH

9/30/19 7:20 PM

At 60mm/2.36", you're well into MTB sized tires. Frankly, if I felt I needed tires that wide, I'd probably want some real tread, suspension, and the control provided by wider bars. In other words, a mountain bike. Watching that video, I didn't see anything on those trails that I haven't done dozens of times on my gravel bikes with 40mm tires. Fatter rubber seems like overkill and I certainly wouldn't want tires with thin casings.

Is it just me or does "50mm wide, extra light tires, real supple racing rubber" seem like an oxymoron? ;-)

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Sparky
Joined: 08 Dec 2003
Posts: 17510
Location: Portland, OR

9/30/19 7:31 PM

"In other words, a mountain bike."

Not other words, those words...

"extra light tires"

When I ordered the Soma Supple Vitesse, the EX [heavier ones] are heavier because the starting tread thickness is.. well thicker, only difference apparently. So I figured I'd use them until they ARE the Extra Lites.

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