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Panaracer Gravelking 32- First ride

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Cyclocross and Gravelbiking (Recreational) This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like : "Unbound Gravel". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

Panaracer Gravelking 32- First ride

Old 12-21-15, 08:23 AM
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shelbyfv
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Panaracer Gravelking 32- First ride

These were mentioned in another thread but I can't find it, sorry. Anyway, first "gravel" ride on these yesterday and I am well pleased. The route consisted of hardpacked clay, sometimes with ruts and protruding flat rock sections, egg sized rocks, loose smaller gravel on top of clay, some pavement and some creek crossings with egg to orange sized rocks. Bike and rider weight approx 200#. I ran about 75 rear, 60 front. I was planning less psi but increased it before the start based on local advice. The grip was excellent in turns and climbing. There was some slick wet clay on a couple of climbs but the rear did not slip. I did not do as well on the creek crossings, but it was due to lack of rider skill and momentum. The tires gripped well in the water. I was also really impressed with how well they rode on pavement. Not too buzzy and they did not seem slow at all. These are the largest tires I can fit on the "gravel" bike, a 1980's Cannondale ST. More tire would be a plus for me on the downhills and creek crossings but for the size, these worked well. I really like the smooth 28s on a road bike and these 32s, with tread, impressed me as well.
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Old 12-22-15, 05:32 PM
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I took the gravel bike out for today's 60 mile road ride just because the roads were wet and that bike was already dirty. The 32 Gravelkings were not great for a longer ride on all pavement. They were quieter than I expected and seemed to roll ok but were squirmy and did not give me much confidence cornering on the wet road. They were fine for the short stretches of pavement I encountered on the gravel ride, but I won't use them again for all pavement. No fault of the tires, they weren't designed for pavement.
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Old 12-23-15, 07:58 AM
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What pressure did you use on pavement? Assuming you are running tubed, we are about the same weigh, and I typically pumped my tubed gravel tires all the way up to 80-85 psi for long pavement stretches. At that point, they should not be squirmy at all, and if anything you'll loose some ride quality. If they were only ~50-60 psi, you would definitely get some squirm when cornering at speed on pavement, especially on a relatively small 32 c tire.

Prior to converting to tubeless, I would typically leave my house with 85 psi in the tires, then air down to ~55 psi once I hit gravel.
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Old 12-23-15, 08:15 AM
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Thanks! I was using 75R, 60F so probably more psi would have helped. I don't feel compelled to try them on another pavement ride, so I may never know!
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Old 12-23-15, 08:42 AM
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It looks like the GravelKing has kind of large, square lugs - if your rides have a lot of pavement, you may want to consider a file-tread tire like a Continental SpeedRide (which I have used), a Challenge Gravel Grinder, or one of the new Schwable G-One tubeless tires (which I haven't used). File tread tires roll great on pavement (not much slower than a slick, and actually grip better on wet pavement than a slick) and the small lugs bite well on gravel and hardpack. They do suffer in the mud, however.
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Old 12-25-15, 09:09 AM
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Clement LAS 33s have file tread with a little lugs on the sides but roll very nicely on roads. However, they run wide and mine measure 36 mm wide on Dyad rims.
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Old 12-25-15, 09:15 AM
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File tread tires are the way to go - I prefer the 40c size.
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