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Tannus Armour27.5in Tubeless Tire Insert


Item # TAA0002

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  • Red, 2.1in - 2.6in ($49.99)
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Item # TAA0002

27.5in Tubeless Tire Insert

Tech Specs
Materialfoam polymer
Manufacturer Warranty2 years

Actual Weight

Red, 2.1in - 2.6in

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

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What do you think about this product?


>Rating: 1

Terrible design - won't seat evenly

I've used it once or twice and have initial impressions
True to size

I'm sorry I gave Tannus a second chance. I mounted a brand new DD Dissector up - it spun clean on my bike. I popped driveside bead, lubed up the insert per the Tannus YouTube video and started wrestling it in. Getting the first side in wasn't too bad. The second side wasn't going in easy, so I followed the video's suggestion of just doing the final bit of the insert and tire bead at the same time. Since it was greased up, I had to use a C-clamp to pinch the tire on one side while I used a Cushcore lever and my remaining hand to seat the bead. It aired it up ok and got the beads to seat, but when I put it on my bike, the tire now had a 1/4" wobble. I dumped the air, tried massaging the insert around and it feels like it's centered. I pushed down on it while rotating it on the garage floor too. I aired it up again, but it still has a wobble. What a stupid <bleeping> design. I'm so pissed I wasted my money on Tannus again. (I had the same experience in the spring when I tried it.)