SKU: 22549607799

Roval Traverse 38 SL Fattie 650b 148

Sale price$2520.00 Regular price$2800.00
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Description

Roval Traverse 38 SL Fattie 650b 148While there may be a linear relationship between increased tyre size and increased fun, this relationship only holds true when wider tyres are paired with the correct width rims. Having a three inch tyre mated to a narrow rim makes for a squirmy, poor handling experience, and when youre on the hunt for additional fun, these characteristics are undesirable. Lucky for you, the new age of traction, stability, and speed has arrivedand its name is the

While there may be a linear relationship between increased tyre size and increased fun, this relationship only holds true when wider tyres are paired with the correct width rims. Having a three-inch tyre mated to a narrow rim makes for a squirmy, poor handling experience, and when youÕre on the hunt for additional fun, these characteristics are undesirable. Lucky for you, the new age of traction, stability, and speed has arrivedÑand its name is the Traverse 38 SL Fattie 650b with a 148 rear.

While our 30-millimeter Traverse SL is already wider than most offerings from others, the benefits of three-inch tyres become more apparent with a proper rim interface. In search for the proper width, our engineers tested various iterations, from 30 to 45 millimetres, to determine where the sweet spot lies. What they ended up with is a 38-millimeter internal rim width that turns the Traverse 38 SL Fatties into descending machines.

A wide internal rim width endows riders with a variety of advantages that are exemplified even more with plus-sized tyres. The extra width allows for more tyre volume, translating into more supple ride qualities, and better support for the tyre, meaning that you'll experience less "burping" when riding tubeless and a drastic increase in traction. After determining the proper rim width for the plus-sized application, we began designing the rim using the same low-weight, high-strength technologies used in the Traverse SL and the Control SL. With this, we started with our Zero Bead Hook design that effectively eliminates the biggest weak spot found in traditional rims, and topped it off by using high-modulus carbon fibre to keep the weight down to a respectable 1650 grams.

Each Traverse 38 SL Fattie is hand-built to our own alloy hubs with DT Swiss Revolution spokes. Inside our hubs, you'll find sealed cartridge bearings all-around, and a quick-engaging 54t DT Swiss star ratchet system in the rear, allowing you to power over rocks and roots without delay. And while machines do a decent job of building wheels, we choose professionally trained humans to build ours, as they catch various flaws that a machine would otherwise miss. You likely noticed that the 24-front/28-rear spoke count seems low for such a burly wheelset, but during testing we discovered that when built with 32 spokes, the wheels were too stiff, resulting in poor ride quality.

To further reduce the overall weight, the wheels also include the Roval tubeless plug system, which sheds an additional 50-grams-per-wheel compared to a rim strip. Finally, with the 110/148 variant, you receive all of the benefits that Boost spacing offers. By increasing the width of the front and rear hub flanges, and in turn, increasing frame and fork clearance and stiffness, you obtain a stiffer, stronger, and more durable system at a minor weight penalty.

If youÕre headed into the plus-sized wheel market, pick yourself up a set of Traverse Fattie SL 38 650Bs and notice for yourself that Fatties donÕt have to feel fat.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 22549607799

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4.5 ★★★★★
Based on 16 reviews
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Verified Purchase
Clint Montague
New York, US
★★★★★ 1
Tell R&D to find a new flavor house, this tastes awful
Size: 1.45 Pound (Pack of 1)
This “berry” flavor tastes astoundingly terrible. It is a wonder to me that this could have passed any product development team. It is like the worst kind of cough medicine mixed with bitter off notes, and it is a very strong flavor, so it is very in your face. The orange original is not great tasting but not bad, you would assume they would only release a new flavor if it was better. They ought to call a flavor house and reformulate this, the technology exists to make this taste good, but wow, this is really unpleasant.
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Reviewed in the United States on March 30, 2026
R
Verified Purchase
RD
Los Angeles, US
★★★★★ 4
As expected
Size: 1.45 Pound (Pack of 1)
As expected Flavor is kinda gross
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Reviewed in the United States on May 11, 2026
K
Verified Purchase
Kelly Aldrete
Belleville, US
★★★★★ 5
Good flavor
Size: 1.45 Pound (Pack of 1)
Good flavor. I quit drinking Metamucil in the past because I didn't like the orange. I was reluctant to try a different flavor but after reading many positive comments about this one I decided to try it. I was not disappointed. Thank you to all who left positive comments about the Berry flavor.
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Reviewed in the United States on February 11, 2026
J
Verified Purchase
J Kessler
Phoenix, US
★★★★★ 5
This could really be a life changer for you. It was for me.
Size: 1.46 Pound (Pack of 1)
I was having a real problem with severe constipation caused by medication I am taking. I mean it got scary bad and I was really worried if the rest of my life would have this problem. I made the mistake of thinking a laxative was the answer, although it did bring temporary relief (that one time), it was a mess to say the least. I talked to my physician about this problem and he said do not take the laxatives (they are an irritant), but to try a fiber product such as Metamucil. I thought Metamucil was for "old people", for "sick people" and such. So I got on Amazon (of course) and bought this product and started using it exactly as the instructions say to. It has been an AMAZING transformation. Very quickly, my constipation problem began to go away until it was never a problem again. I noticed that I became much more healthier in my digestive system. It worked better, felt better and I am sure it was MUCH BETTER for my body health wise. I have to say that I was a little put off by some of the moderately graphic phrases that some reviewers said such as "cleanest wipe you will ever have" and "smooth as butter" and whatever. BUT, these people were exactly correct. The things that they said were completely true. I will get graphic myself since I want people to know. When you go, you will know it is time, and there is no running to the bathroom suddenly. There is no struggle, no waiting, no straining. You just go and everything comes out just the way it should. Very easy. Now, when you do use that toilet paper, you will be amazed that there just is no "residue" on that paper. Clean as a whistle both on the paper and your down under. Honestly, I don't know how or why, it just is. This product will change your life for the better in several ways. Your daily functioning will be much smoother. You will probably lose some inches from the waist. Your bloodwork results will probably be more positive. You will be healthier. I wish I had known about this product a long time ago! What other things are out there that I should have know about, I wonder! The orange sugar free tastes great, like Tang or even orange juice. I put a heaping teaspoon of powder in a normal sized glass of water, stir it immediately and down the hatch. I stir again halfway down to make sure there is not a bunch waiting for me at the bottom of the glass. I don't mind the taste or the grit or anything. It's all good. I love this stuff and what it does for me! I will be using it for the rest of my life.
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Reviewed in the United States on February 28, 2015
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Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Orange flavor
Size: 1.46 Pound (Pack of 1)
This is a great product. I love the orange flavor for it being sugar free . It tastes amazing.
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Reviewed in the United States on February 27, 2026

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