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WTBTrail Boss TCS Light FR Tire - 27.5
Sale 10% Off$60.95 $67.95

Item # WTB001K

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  • Black, 27.5x2.40 ($60.95)
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Item # WTB001K

Like a Boss.

An aggressive XC/all-mountain tire, the WTB Trail Boss TCS Light FR 27.5 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 2.25 or 2.4in width, and a light, flexible TCS aramid bead that lets you use tubes or go tubeless.

Tech SpecsWeight
Tech Specs
Dual DNA
27.5 x 2.25 in, 27.5 x 2.4 in
WTB Lightweight
30 - 45 PSI
Recommended Use
all mountain, cross country
Manufacturer Warranty
2 years

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Black, 27.5x2.40

Claimed Weight

Claimed weights are provided by the vendor.

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[27.5 x 2.25 in] 750 g, [27.5 x 2.4 in] 764 g

Reviews & Community


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Great trail tire for Norcal!

  • Familiarity: I've used it several times

I used it as a rear tire on a Santa Cruz 5010 and it is perfect for aggressive trails in the lower Sierra foothills. The 2.4 size is a nice step up from the factory 2.25 and 2.3 tires. The extra size really makes a difference. Rolls great, lots of far so good!