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Old 01-22-05, 09:20 AM   #1
jdlynch
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Wider Tires on Specialized Sirrus

I am wanting a bike for fitness riding, mostly on road, but want a more rugged and upright position like that offered with a mountain bike. I like the idea of bigger tires to absorb the bumps, curbs, potholes, etc. I was looking at mountain bikes,GF Tassajara in particular; However, most of the people here agree that shocks are a negative for mostly road and light trail riding. I don't care about the difference in speed.

I am wondering if a bike like the sirrus, with bigger tires might be the better choice. How wide of a tire will the Sirrus accommodate? Has anyone gone this route and have any comments?

Thanks,
Dave
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Old 01-22-05, 10:27 AM   #2
bsyptak
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Not only will wider tires make you slower, they will make it harder to propel yourself. I have 28s on my Giant Cypress SX and they are just fine. I'm sure you could go up to 32s but I wouldn't go up any wider. Too much work for fitness riding.

If you really want a mountain bike, you can buy the lower end ones with a rigid fork.
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Old 01-22-05, 12:51 PM   #3
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I just got my Sirrus last week. So far so good. I rode around some not so good streets and it wasnt to ruff of a ride.
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Old 01-22-05, 01:11 PM   #4
PurpleK
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I keep 28's on my sirrus. One of the benefits of the 28's is the ease I can propel myself. I'm sure the sirrus can accommodate something a little wider, but I am not sure it's worth the difference. Also, the sirrus should have a seat suspension that helps when you go over stretches of rough pavement. Mine came with the suspension as a stock item even though I got the base model bike. It is best to avoid the potholes altogether no matter the size of the tires.
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Old 01-23-05, 04:12 AM   #5
cryogenic
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The higher models forgo the suspension post for a "Zertz" carbon post with the goofy little insert.
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