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Old 02-16-12, 04:21 PM   #1
r0ckh0und 
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Gravel Grinder Thread Inspired

As the heading says I was inspired by the "Show your Gravel Grinders" thread to build myself a gravel grinder. Actually I already have a couple of bikes that could be considered gravel grinders and truth be told, I'm getting some bikes ready for a swap meet in a couple of weeks and I did'nt want that inspiration to go to waste.

Bike was built entirely from stuff I had on hand and I wanted a to use a frame that I would'nt worry about getting chipped up from flying rocks. So I used an '89 Schwinn World that was hanging around with a Shimano Light Action RD and some Shimano barend shifters I wanted to try out. We're supposed to get some nice weather this weekend so hopefully I can get out for a trial run.
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File Type: jpg Schwinn World GG 002.jpg (103.2 KB, 60 views)
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Old 02-16-12, 06:57 PM   #2
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That's a very handsome bike! What tires are you using?
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Old 02-16-12, 07:16 PM   #3
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I agree greatlooking bike

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Old 02-16-12, 07:48 PM   #4
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Thanks...................tires are 27 X 1 1/4 Kenda gumwalls. I honestly don't remember where they came from but they look and feel new and have a recommended 90psi. Saddle is a Cardiff Touring that I was also wanting to try out. I still need to put some dust caps on the cranks and some toe cages.
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Old 02-16-12, 09:44 PM   #5
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27 x 1-1/4 should do reasonably well for gravel; that works out to about 32mm. For "gravel grinders", IMO the biggest consideration is in the wheelset and tires-- a strong wheelset with tires wide enough that you don't need to run them at high pressure, and they won't slide around a lot.
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Old 02-16-12, 11:33 PM   #6
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I did a 30+ mile ride on stone roads with 27 x 1 1/4 and they were just fine.
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Old 02-17-12, 12:22 PM   #7
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I ride a lot of gravel on 700 X 32 @90PSI. But I'm a fat bastid.
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Old 02-17-12, 01:12 PM   #8
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All my bikes get ridden off-pavement eventually, so I chhose tires accordingly. Currently in rotation are:

Vittoria Randonneur Hyper, 700 x 32 and 35
Continental Contact Extralight, 700 x 42 (measures 37mm)
Panaracer Urban Max, 700 x 32

The new bike will be shod with 650 x 42B Schwalbe Marathons.
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