Surly Knard 29 x 3 Tyre

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Knard 29 x 3

This is our popular, fast rolling Knard tread applied to a 29+ casing. What’s 29+? It’s a tire meant for rims with a bead seat diameter of 622mm (29?), but large volume and ideally shaped when used on a very wide rims. In this case Knard is a 3? tire designed for 50mm rims. The larger diameter smooths rolling over rough ground, the increased volume adds a bit of suspension and float, the width increases traction, and the sheer size holds speed well. The profile is round and tracks well cornering and off-camber, and will remain effective on rims as narrow as 35mm. The closely spaced low-block tread grips well on multiple surface types but is most at home on dry rock and packed dirt. 27tpi and 120tpi casings available.

ETRTO: 622mm
(note: designed for 50mm wide rims. Requires minimum of 35mm wide rim to safely engage bead hook)

27tpi with wire bead (1240g)

120tpi with Kevlar bead (980g)

Tire Instructions

Tire Geometries