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It is now time to give you the final verdict on the WTB Riddler 37mm tires which were released into the wild just a few months ago now. The tire also has a wider sibling, the Riddler in the 45mm width, which we also have and have been riding. I’ll have a bit more on the wider tires in a bit, but for now, just in case you missed the last post on the Riddlers, click here to review that. Now that you have that link to refer back to, let’s get on with the final word on these tires.
WTB has a winner on their hands with this Riddler 37mm tire. and wait till you see the 45mm one!
At The Finish: The Riddlers are a fast, fairly stable, and pretty decent riding tire. They are not “best” in some characteristics when I compare them to others in this class, but they are definitely above average and rise to the top in a couple of areas. The thing is, the two characteristics the Riddler has that are outstanding are two areas that many tires do not do well in. Stability and lateral grip would be those two characteristics. The Riddler really is a great tire because of those two things. In terms of spec, it won’t wow you with a low weight, but it is as wide as claimed. (See here for the technical specs on this tire and more.) It doesn’t have a fancy puncture protection belt, but it rides smoother because of this.
So, it rolls well, has decent cornering traits, is stable on loose gravel, and with WTB’s excellent TCS tubeless system built in, tubeless set up is a breeze on the right rims. I have only seen moderate wear with these tires, but there are some reports of wear that seem premature to some riders. I will update on that here if I notice this. Besides that potential nit, there isn’t much not to like about the 37mm Riddler. Well, other than that maybe you’d like to see something wider. That’s actually something that WTB thought about. So, here we have a much wider version of the Riddler.
The 45mm wide Riddler isn’t just a little bit bigger than the 37mm one, it is a LOT bigger!
The Bigger Brother: The wider Riddler is barely contained by my Tamland’s stays. In fact, it is a 1.8″ wide tire, or for you metric folks, a true 47mm tire on my 25mm internal width WTB KOM rims. That is as wide as 29″er tires that were raced in XC mtb events in the late 00’s! Yes, this Riddler won’t fit many bikes that are currently in circulation that run road drive trains. So, is it for 29″ers then? Well, it could be, but keep in mind that 2017 bikes are on the way. The wider Riddler is spec’ed on many of the newer, wider tire gobbling “monster cross” type gravel/all roads bikes.
The review of the 37mm Riddler was a very positive experience. I think this tire will be a hit with those that can slot this tire into a cyclo cross bike, or a late model gravel grinding rig. However; the bigger sibling is a completely different animal. We won’t bore you with spec and tech features, since that is all similar to the 37mm tire. Stay tuned for a break-out post on the 45’s where we will have the perspective of two different riders from two different areas to share.
So, to wrap things up, the 37mm Riddlers should be on your list as a tire that is fast, stable, and has a good ride quality. It may have a tendency to wear thin, especially in the center tread area. We’ll keep an eye out for that and update this review if we see that. Otherwise, this tire should be a front runner in your search for a 35-40mm tire that is a great all around performer and has excellent tubeless qualities.
Stay tuned for the Riddler 45mm tire update in a few weeks.
NOTE: WTB sent over the Riddler 45mm & 37mm tires at no charge to RidingGravel.com for test and review. We are not being paid nor bribed for this review and we strive to give our honest thoughts and opinions throughout.
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