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45NRTH Dunderbeist Tubeless Fat Bike Tire

$140.00

Item # NRH0004

4 Reviews
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Item # NRH0004

Snow beast.

Attack snowy fields and mountains filled with beautifully groomed corduroy on the 45NRTH Dunderbeist Tubeless Fat Bike Tire. Billed as a rear-specific tire, the Dunderbeist boasts beefy knobs with wide spacing to dig in on the climbs and hook up in the corners for confident control. Dual compound rubber provides a dose of extra gripping power and durability to last many a winter mile, and its tubeless-ready bead lets you choose between tube-free and traditional clincher setups. The Dunderbeist is designed to pair with the front-specific Flowbeist tire and rims ranging from 65 to 102mm wide.

Tech Specs

Compound:
dual compound rubber
Size:
26 x 4.6 in
Type:
clincher, tubeless
TPI:
120
Recommended Use:
snow and sand
Manufacturer Warranty:
1 year limited

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Reviews & Community

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Grippy...

  • Familiarity: I've used it several times

Riding these with tubes as my rims won't run tubless. Compared to my previous tires, Kenda Juggernaut's, these grip like nails, uphill and down. I've not had any of the sidewall issues the others mention here, but only have about 8 rides so far so will update if I have others.

Pros:Grip, ability to go tubeless

Cons: Pricey

Avg. ride time: 4h 2m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Less than 500 miles

  • Familiarity: I've used it several times

Came home from a easy 18 mile ride in the snow today and to my dismay the fricken sidewall was torn right off the bead in two spots and tube bulging out!!!! Good thing I made it back!! Do not buy this garbage! Waiting on 45nrth's response and refund!

Great tread, pitiful side wall

  • Familiarity: I've used it several times

I'm very disappointed with my Dunderbiest. I've had it on my bike for 3 to 4 weeks, and already the casing closest to the rim has become ragged & porous. It now won't hold the air in a Tubeless configuration, as is advertised by 45nrth. Does 45nrth stand behind their products in any way? This is my first time using their tire - possibly my last.