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Item # WTB001M

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  • Black, 29x2.25 ($69.95)
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Item # WTB001M

You’re in Charge.

Designed for the aggressive XC or all-mountain wagon-wheel lover, the WTB Trail Boss TCS Light FR 29 excels in most dry to damp trail conditions.

Large, tightly spaced lugs provide grip on damp and loose or hard and dry trails, while the Dual DNA rubber compound blends fast-rolling 60a rubber in the middle of the tire with grippy 50a rubber on the sides for the perfect balance of cornering and speed.

The Light FR version has a single-layer lightweight casing to cut down on the ounces, while the Tough and High Grip versions use a more durable double-layer Enduro casing. Other than that they're the same, with an all-mountain 2.3in width, and a light, flexible TCS aramid bead that lets you use tubes or go tubeless.

Tech Specs

Dual DNA
29 x 2.25 in, 29 x 2.4 in
WTB Lightweight
30 - 45 PSI
Claimed Weight:
[29 x 2.25 in] 795 g, [29 x 2.4 in] 917 g
Recommended Use:
all mountain, cross country
Manufacturer Warranty:
2 years

Reviews & Community


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Most Conditions Tire

  • Familiarity: I've put it through the wringer

A lot of my best miles in the last decade have been on WTB tires. Classic small treads like the Weirwolf, Nanoraptor, and Wolverine always treated me well on my old 26-inch bikes. Tire disigns have changed as manufacturers have realized that well placed blocks are as good or better than complicated tread shapes. I picked up a set of WTB Trail Boss tires for my Niner RIP 9 RDO, opting for a 2.4 for the front, and a 2.2 on the back. The tires looked good out of the package, and seated tubelessly to my Reynolds wheels with just a floor pump.

On the trail, the tires rolled well and gripped in most situations. Unfortunately there is one recurring problem. When the trail is very dry and loose, the front tire has a tendency to break loose unpredictably, especially when cornering. Since this is a frequent condition in Northern Utah where I ride, I lost some elbow and knee skin to this tendency. I kept the 2.2 Trail Boss in the rear, but swapped out the front for a 2.3 WTB Vigilante.

I'd recommend the Trail Boss as a faster-rolling front and rear tire on trails that are a little more loamy well-consolidated, or as a rear tire for the loose dry and dusty stuff that covers a lot of the drought-stricken west.