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Old 06-15-12, 08:25 AM   #4001
Igo
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It's all about roll resistance. I was riding road bikes to work with no dirt involved. Then on weekends I was riding a 35 mile paved national recreation trail that went way out in the desert. Over time I ended up with with lights, racks and panniers on my otherwise sleek road bike. It became a really quick commuter but a really clunky racer. That bike was stolen. I replaced it with two bikes, an even sleeker racey road bike and a sturdy, duty oriented hybrid commuter. Now I zip along the 35 mile route in a few hours on the stripped down road bike and I have a truck-bike for hauling clothes and lunches back and forth to work. That "truck" bike is the Giant Escape 1. As I refined my route to work it ended up that I had a 450 foot elevation climb in 5 of 7 miles but only 100 yards of hard pack dirt in the route off of asphalt. Since I can't wear traditional bike shorts to work I put a softer aftermarket seat on the Escape/commuter. What the fat 60 psi tires did for comfort is now the seat's job.
Not having to give great consideration to "all terrain tires" because the great majority of my ride was asphalt and in good condition, I started looking at what would be the appropriate tire for smooth asphalt and a 450 foot climb without giving up the "truck" capabilities of the hybrid/commuter bike. I'd rather go more miles or make better time than get all my exercise by overcoming mechanical resistance that was part of the OEM tire design. Three things had to be considered. Heavy tread is much like rough pavement, it had to be smoothed out. I wanted a tire that had some girth to it for puncture resistance and weight carrying capability but had to be smooth enough to level out the road contact patch under the tire. I wanted less patch on the ground to further reduce roll resistance and along with smoothing out the tread you reduce patch by using a narrower tire with higher air pressure. You also speed a bike up by throwing less centrifugal force so the Panaracer tires had 4 things going for them. Immediately I improved my time to work as by GPS my average speed increased by 1.5 mph (I always ride slow to work; went from about 7 mph to 8.5 mph) by riding the same cadence but in one and 2 higher gears. Switching from a 60psi 32c tire to a 105 psi 28c tire increased the efficiency of the bike by great leaps. Smoother tread, less weight, smaller patch and less flex = MUCH less roll resistance and increased responsiveness. If you are not going to ride in the dirt and you think you can be comfortable on a stiffer tire then get rid of the roll resistance that is a byproduct of the design of dirt oriented tires.
I need to cut and past this in my tire thread I started a month ago. Think I will.

Last edited by Igo; 06-16-12 at 11:52 AM.
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Old 06-15-12, 09:36 AM   #4002
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If you want another try, I have Maxxis Detonator 32s and I like them a LOT. I actually haven't been able to find them in this size anywhere, but they came stock on my Seek 3. They're a dual compound tire so the centers are sturdy and the sides are sticky, which makes for great fun.
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Old 06-15-12, 11:33 AM   #4003
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My 1992 Specialized Crossroads, with it's new trekking bar, from a borrowed digital camera...

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Old 06-15-12, 12:10 PM   #4004
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Panaracer 28c T-Serv tires have been added to the top of my list for replacements.. Thanks for the write up, sounds exactly like what I want them for
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Old 06-15-12, 03:15 PM   #4005
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Igo, I really appreciate it when people like yourself take the time to make thoughtful and informative posts such as that one. Learned a ton.
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Old 06-15-12, 03:33 PM   #4006
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My 1992 Specialized Crossroads, with it's new trekking bar, from a borrowed digital camera...

Looks nice!
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Old 06-15-12, 06:35 PM   #4007
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If you want another try, I have Maxxis Detonator 32s and I like them a LOT. I actually haven't been able to find them in this size anywhere, but they came stock on my Seek 3. They're a dual compound tire so the centers are sturdy and the sides are sticky, which makes for great fun.
Actually know. I knew exactly what I wanted when I bought the Panaracers and they fit the bill nicely, but I thank you anyway.
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Old 06-15-12, 06:43 PM   #4008
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Panaracer 28c T-Serv tires have been added to the top of my list for replacements.. Thanks for the write up, sounds exactly like what I want them for
A trade off is they let you feel more road. They are not as soft as the fatter tires but that makes he bike more responsive and I like that. Panaracers are made by Panasonic, one of the most trusted manufacturers in the world. They are expensive and well crafted.
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Old 06-15-12, 07:19 PM   #4009
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Igo, I really appreciate it when people like yourself take the time to make thoughtful and informative posts such as that one. Learned a ton.
Well thank you. That was very kind but there wasn't really an original thought in it. It's just a matter of physical properties.
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Old 06-15-12, 08:00 PM   #4010
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My 1992 Specialized Crossroads, with it's new trekking bar, from a borrowed digital camera...

Very nice bike! I love those old 90's hybrids and ride one myself.
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Old 06-15-12, 09:04 PM   #4011
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When I get enough money scrounged, I'm going to put full coverage fenders (black) on it, so I can ride errands while the roads are still wet, without getting "racing stripes" on my back.
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Old 06-16-12, 09:54 AM   #4012
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Well thank you. That was very kind but there wasn't really an original thought in it. It's just a matter of physical properties.
You share a lot of personal experience which is really helpful.
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Old 06-16-12, 10:46 AM   #4013
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without getting "racing stripes" on my back.
You'll go faster though
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Old 06-16-12, 12:44 PM   #4014
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Trek Hybrid 7100
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Old 06-16-12, 04:31 PM   #4015
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Here's my Trek 7100 after a few upgrades. Got a new seatpost coming next week. After that new pedals, shifters and lock grips. Maybe one day ill get to swapping in a rigid fork.







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Old 06-16-12, 04:57 PM   #4016
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Here are pictures of my gf's Giant Yukon. Working on hybridizing it. So far new tires, shifters, grips, all new cables and a seat bag. Getting fenders for it soon. Its getting expensive fixing two bikes at once.


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Old 06-16-12, 06:03 PM   #4017
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Here's my Trek 7100 after a few upgrades. Got a new seatpost coming next week. After that new pedals, shifters and lock grips. Maybe one day ill get to swapping in a rigid fork.







When you just head off into the city at 8AM and don't have plans to be back before 8PM, that is exactly what you need. Will take the curbs but speedy enoughto go places. Can toss it on the buss and carry discoveries with you. A real explorers bike.
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Old 06-16-12, 08:26 PM   #4018
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I like the matte finish on that Giant Yukon.
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Old 06-16-12, 08:31 PM   #4019
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I like the matte finish on that Giant Yukon.
Yea, it's nice. Its considered "titanium" finish.
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Old 06-16-12, 11:35 PM   #4020
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^Nice trek.
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Old 06-17-12, 04:38 AM   #4021
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Old 06-17-12, 05:45 AM   #4022
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Thanks for stealing the show
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Old 06-17-12, 06:44 AM   #4023
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I stiil believe the best example of a hybrid on these forums. A great mix of MTB and Road Parts. I've been thinking seriously of going back to 23mm. This spurs me on.
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Old 06-17-12, 08:40 AM   #4024
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Here's a shot of my 2011 Giant Rapid 3 shortly after I bought it. As pictured, the upgrades are:

-Specialized grips
-Specialized seat
-Specialized H2O bottle holders
-Blackburn click lights
-Cateye computer

I have since added:

-Topeak Road Morph pump (mounted on left seat stay)
-FSA 0 offset seat post (with two-bolt pitch adjustment)
-Removed toe clips & straps because I bought clippless shoes
-Origin 8 drop-bar bar ends (soon to be added, haven't received them yet)

I bought it used from a guy who races bikes. He bought this one to ride with his wife who he was continually trying to get into cycling. He sold me this because he was going to by a new bike this year. Coming from a mountain bike converted for street use, this thing is fast and just what I needed. It had about 200 miles on it when I bought it, and it has just shy of 500 on it now. I had a slow first couple of months due to the weather, but now that it's warm, I've been really putting the miles on (73 last week, 61 the week before).

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Old 06-17-12, 02:24 PM   #4025
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good looking rapid...
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