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Do the Gravel King SK's kick up a lot of rocks?

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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 :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

Do the Gravel King SK's kick up a lot of rocks?

Old 09-11-19, 08:22 AM
  #26  
chas58
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Gosh, GK's suck on limestone paths. Did a fast group gravel ride last night. pulled in behind a red bike and new immediately he had GK-SK on. I was getting pelted with a constant stream of small gravel. Those tires throw up a lot of junk with that sized gravel. There is not other tire that pelts quite like that. Unfortunately there is a lot of crushed gravel and limestone the size of the tread on GK-SKs

Originally Posted by Caliper View Post
After this past weekend, I can attest that on MI dirt roads, YES, GK's do kick up small rocks.
I hope that wasn't you I was riding behind last night! lol.
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Old 09-11-19, 08:59 AM
  #27  
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knows of what he speaks. If you're looking for one tire to rule them all, and you can fit it, the Resolute is it. If you can't fit it, you're not on a true gravel bike.
Funny.
Guess I'm not on a true gravel bike. Resolute is a great tire, but its rather specific in its target, not a one tire for everything.
Personally, I don't need that much tread (even when I'm mountain bike racing). Yesterday my ride included pavement commuting , fun single track, then a high speed gravel loop . I ride one bike to do it all - I'm not going to pigon hole myself into a specific niche.

Last night:
Road average 18mph, fair amout of 32mph sprints in traffic (2hr),
Single track was naturally about 10mph (1.5hr)
The gravel was even faster - average 18 with peaks at 36 (2hr).

That isn't a good day for the Resolute - I have better gravel tires for my riding. Resolute are a bit heavy for speed work, a bit draggy for the fast parts, and a bit small for the single track. There are a lot of "one tire to rule them all" but ultimately it depends one where you live and what riding you are doing. There is more variety of riding in this subforum than just about anything else. In your case If you are on a "true gravel bike" you need a gravel tire, not one tire that does it all. But the tire that works for you may not work for someone else here.

Last edited by chas58; 09-11-19 at 01:17 PM.
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Old 09-11-19, 10:07 AM
  #28  
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Originally Posted by chas58 View Post
I hope that wasn't you I was riding behind last night! lol.
No, I was the recipient of a gravel shower! My Ramblers haven't received any complaints, yet. TBH, my experience last weekend kinda is making me reconsider a GK purchase, despite their price and speed.
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Old 09-11-19, 11:06 AM
  #29  
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No, I was the recipient of a gravel shower! My Ramblers haven't received any complaints, yet. TBH, my experience last weekend kinda is making me reconsider a GK purchase, despite their price and speed.
Well, specifically on Michigan Rail Trail (or any limestone trail in the state), GK-SK kinda suck.
Curious - why would you choose them over a rambler?

Last edited by chas58; 09-11-19 at 01:11 PM.
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Old 09-11-19, 01:25 PM
  #30  
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I personally think the MSO is the best mixed terrain tire. I've done everything from long gravel rail trails to racing dry cyclocross races on them with decent results. I've run treads similar to rambler and its just a bit too slow on pave for an all arounder to me.
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Old 09-11-19, 03:10 PM
  #31  
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Also, has anyone tried the new vittoria terrano mix in 38c? That could be a pretty fast all around tire
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Old 09-12-19, 08:39 AM
  #32  
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I personally think the MSO is the best mixed terrain tire. I've done everything from long gravel rail trails to racing dry cyclocross races on them with decent results. I've run treads similar to rambler and its just a bit too slow on pave for an all arounder to me.
Yep, the MSO is a good choice for mixed terrain and loose surfaces. I'm surprised you thik the rambler is slow. The Ramblers take about 20 watts each. You can do maybe 2-3 watts better with some tires, but not much.

The MSO on the other hand is a bit draggy, fairly heavy, and a bit wobbly on a fast turn with good traction. Then again, a lot of my gravel here is smoother than our asphalt - so I want a fast hard pack tire for that - but then it changes quickly to chunky gravel around the next bend. Ramblers do both. Personally I want to be able to dive into a hard dry turn and not have the tread distort on me. Something like the GK-SK, Rambler or G-one do that well. MSO not so much.
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Old 09-12-19, 08:40 AM
  #33  
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Also, has anyone tried the new vittoria terrano mix in 38c? That could be a pretty fast all around tire
I have a friend that used them for the 200+ mile C2C. He liked them for a long fast dry course like that.
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Old 09-12-19, 09:59 AM
  #34  
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Originally Posted by chas58 View Post
Well, specifically on Michigan Rail Trail (or any limestone trail in the state), GK-SK kinda suck.
Curious - why would you choose them over a rambler?
I was looking for something narrower than the 38mm Rambler to go with a future aero wheel purchase. If there was a 32-35mm Rambler, I would be looking there since I love my 40 and 45mm ones... Will probably end up with a G-One Speed at this point.
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Old 09-12-19, 11:49 AM
  #35  
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Originally Posted by chas58 View Post
Yep, the MSO is a good choice for mixed terrain and loose surfaces. I'm surprised you thik the rambler is slow. The Ramblers take about 20 watts each. You can do maybe 2-3 watts better with some tires, but not much.

The MSO on the other hand is a bit draggy, fairly heavy, and a bit wobbly on a fast turn with good traction. Then again, a lot of my gravel here is smoother than our asphalt - so I want a fast hard pack tire for that - but then it changes quickly to chunky gravel around the next bend. Ramblers do both. Personally I want to be able to dive into a hard dry turn and not have the tread distort on me. Something like the GK-SK, Rambler or G-one do that well. MSO not so much.
Thats probabaly the difference in our experience. When I refer to speed/rr I am mostly referring to pavement performance. We usually have to ride significant road prior to getting to gravel or single track and the solid center tread rolls faster to me than a rambler. We also arrnt dealing with much dry hardback and I'm pulling the MSOs out for damp and or muddy conditions where squirm and deformation are exactly what I want. Otherwise I just ride high volume slicks even on easy single track ie compass switchback hills or gravelking slicks. If I want a burly tread for railing turns I'm usually pulling out my cyclocross bike and a cross wheel from the quiver so I'm probabaly not the best guage of an all around tire
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Old 09-17-19, 01:17 PM
  #36  
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Originally Posted by Spoonrobot View Post
I did not mean the Riddler, it is not as good a tire as the Resolute. The Resolute is a pure-bred gravel tire, which should be obvious comparing the weights of the 700cx42 to the Riddler 700cx45 - the latter is 100 grams heavier but barely 3mm wider and no taller, it's a down-sized mtb tire with a stiffer, heavier tire carcass. My response was to the broad generalization of "best mixed-terrain tire" - specific width was not stated and is not relevant. Some would argue the 60mm G-One is the best, I argue the 42mm Resolute is the best. It gives up very little on pavement and performs exceptionally on gravel.
Good info. I checked out some reviews of them and the Resolute does seem to have a lot of advantages over the Riddler (gosh, those names are so confusing). I'll have to add it to my shortlist. Thanks for the feedback!
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Old 09-20-19, 09:10 AM
  #37  
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Based on this thread, ended up buying the GK SK's and then returning them for the Vittoria Terrano Dry's. Hoping they'll be a decent step up in cornering over my G-One All-Around's.
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Old 09-20-19, 01:45 PM
  #38  
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Let us know how it goes. What did you not like about the G-one? no bite in turns?

I don't know that side knobs really give any additional traction, but they sure do make breakaway characteristics different.

One of my favorite all time tires was a Panaraces Mach SS I bought in the '90s. Very fast with smooth (diamond) center, yet with lugs for hard bite when cornering. I could do anything on that tire - and it taught me to have a smooth cadence on tough mountain bike climbs.
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Old 09-20-19, 03:50 PM
  #39  
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Originally Posted by vinuneuro View Post
Based on this thread, ended up buying the GK SK's and then returning them for the Vittoria Terrano Dry's. Hoping they'll be a decent step up in cornering over my G-One All-Around's.
Interested to know why you took them back ... did you try them 1st????

I was running 38mm GK SK's last winter and they performed as well as my friends MTB's with much bigger knobbly's in the winter mud, I switched them for Vittoria Voyager Hypers for the summer and had a nasty accident turning from concrete farm track to gravel path which I think was largely due to lack of grip so switched the tyres back to the GK's.

I do get the odd ping of gravel but I'd say it's not nearly as bad as the Hypers were.

Interested to hear how you get on with the Terranos as well when you've used them a bit more as we're probably all searching for that ever illusive perfect tyre for every condition .
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Old 09-22-19, 09:35 PM
  #40  
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Originally Posted by vinuneuro View Post
Based on this thread, ended up buying the GK SK's and then returning them for the Vittoria Terrano Dry's. Hoping they'll be a decent step up in cornering over my G-One All-Around's.
Good call.
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Old 09-23-19, 06:12 PM
  #41  
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Originally Posted by Witterings View Post
Interested to know why you took them back ... did you try them 1st????

I was running 38mm GK SK's last winter and they performed as well as my friends MTB's with much bigger knobbly's in the winter mud, I switched them for Vittoria Voyager Hypers for the summer and had a nasty accident turning from concrete farm track to gravel path which I think was largely due to lack of grip so switched the tyres back to the GK's.

I do get the odd ping of gravel but I'd say it's not nearly as bad as the Hypers were.

Interested to hear how you get on with the Terranos as well when you've used them a bit more as we're probably all searching for that ever illusive perfect tyre for every condition .
Didn't use them. Too many reports of the SK's flinging gravel, particularly small crushed limestone like the trails I ride on.
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