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700x50c Tires on Rocky Mountain Solo

PB Forum :: Road Cycling and Touring
700x50c Tires on Rocky Mountain Solo

Author Message
Posted: May 27, 2019 at 10:48 Quote
Does anybody know if I can fit 700x50c tires on my Rocky Mountain Solo? I have 43s on now and there appears to be a ton of space.

Posted: May 28, 2019 at 11:05 Quote
The tires arrived today and I was able to mount them to the Sun Helix TR25 SL 29. These rims have 21mm Inner bead width and 25mm Outer bead width. There is plenty of space and appears these Gravel King SK 700x50 could be mounted on a wider rim and still be okay.
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Posted: Nov 13, 2019 at 9:44 Quote
Thanks for posting this, I have the same 2018 Rocky Mountain Solo and those gravel kings 700x50c would make for a great softer ride. Cheers.

wandrer wrote:
The tires arrived today and I was able to mount them to the Sun Helix TR25 SL 29. These rims have 21mm Inner bead width and 25mm Outer bead width. There is plenty of space and appears these Gravel King SK 700x50 could be mounted on a wider rim and still be okay.
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Posted: May 13, 2025 at 6:53 Quote
This is awesome. I have the same bike currently with 45c TerraTrail and there is loads of clearance, I'm definitely looking at 50c when I need to change them out.

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Posted: Jul 5, 2025 at 15:58 Quote
Hey man, that’s awesome you got the 700x50s mounted! I’ve been curious about tire clearance on the Solo myself — sounds like it handled them no problem? How’s the ride feel so far with the wider setup? Gravel Kings are solid. Would love to hear how they roll, especially on mixed terrain.

Posted: Sep 6, 2025 at 20:58 Quote
Yesss, love this! I’ve been eyeing 50c’s for my Solo too so good to hear they fit with room to spare. How’s the ride feel? I bet those Gravel Kings just float over chunky gravel and eat up vibration. Definitely gonna make the swap soon my wrists will thank me Have you taken them on any proper mixed terrain yet? So curious how they handle mud or looser stuff! Happy riding!

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Posted: Sep 8, 2025 at 10:34 Quote
drake88 wrote:
This is awesome. I have the same bike currently with 45c TerraTrail and there is loads of clearance, I'm definitely looking at 50c when I need to change them out.

UPDATE: When it came time to change out the tires I didn't bother with the 50s. Instead I went for the new Gravelking X1 in 45mm width and I've got to say that I'm loving these tires! Much faster rolling than the Contis but still have plenty of grip for the tracks I ride.
I do think the 50s would fit but was worried that with the stock rims it would round out the profile too much.

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