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The S&M Mainline is our trail tire. Available in wire bead only with a mid weight, high pressure casing. The 2.1 has a micro knurled surface on a directional tread designed to go on the rear. It features a center tread with a V-notched edge for accelerating and a flat edge for braking. The 2.40 front tire size is a nod to the old 2.12
5.0
26 ratings
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Great tire
Not much else to say. It’s one of the go to tires for me
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Timothy · January 6, 2026
Great tires
Been riding a lot more dirt lately. These tires are awesome no loss of traction in the dirt still good at park haven’t had any washouts yet. Foot jams feel like a front disc brake. Shipping was fast. Definitely buying another set to have on deck for when these wear out
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Chris · September 19, 2025
Tires! I needed them!
Tires! I needed them, Powers had them and they shipped them to me so fast. I’ve heard horror stories of shops that fold wire-bead tires into a box. Oh, the humanity! Simple double shipping bag did the trick. Powers is always on my short list of vendors because my local shops always say “BMX?"