I'm running the Prowler MX race 2.3 as a front on my Stumpjumper and I love it. I've mostly used Specialized tires in the past but wanted to try something different. The bike came with The Captain 2.0 tires front and back. I would wash out the front tire a lot with the Captains. The Prowler holds a loose corner far better. Works great in mud with the big spacing between the large nobs. The only down side is when I half to ride on pavement it gets a little rough and noisy. My confidence has definitely improved since the switch.
As to the size the WTB website lists the actual casing a tread width in millimeters. I haven't put a ruler on it to confirm as that doesn't really matter to me.
I run them with tubes as low as 25 psi (I'm 165 lbs.) but I have no experience with tubeless.
Im running 2 prowler MX 2.5s, the folding bead version. The rear is mounted tubeless w/ a stans strip on a forte xenduro rim. I tried the same setup on the front but could never get the bead to seal, so it has a tube in it. I dont claim to be an expert in setting up tubeless tires, but there are definitely easier tires to deal with if youre running ghetto tubeless.
bengxe, could you measure the actual size at the casing and the outer knobs for the 2.5 (and on which rim btw)? I'm curious if the manufaturer's claimed GMS specs can be trusted. I don't really think that I'll need a 2.5 (2.3 should suffice), but just to compare.
The newer 2.3 and the 2.5 are pretty close to the same size. 2.3 just a tiny bit smaller. The 2.5 also has a more compact tread pattern then the 2.1 and 2.3. The current 2.1 ans 2.3 have more open tread pattern and do better in the loose then the 2.5. I have run all 3 but dont have them mounted up at this time. just giving you a bit of food for thought.
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