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Goodyear Newton-ST EN ULTIMATE R/T 27.5 Inch MTB Tire
Goodyear Newton-ST EN ULTIMATE R/T 27.5 Inch MTB Tire
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Goodyear Newton-ST EN ULTIMATE R/T 27.5 Inch MTB Tire
Goodyear Newton-ST EN ULTIMATE R/T 27.5 Inch MTB Tire

Goodyear Newton-ST EN ULTIMATE R/T 27.5 Inch MTB Tire

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Featuring a deep tread, firmly supported side knobs, and advanced compounds, the Goodyear Newton provides surefooted traction in all conditions. As befitting a tire named after the man who defined the laws of gravity and motion, the Newton is the enduro and downhill rider's choice; it's the tire to reach for when the terrain gets steep and traction is of the utmost importance.


  • Provides unrelenting traction for all conditions, this enduro/downhill-oriented tire defies gravity.
  • Optimal tread pattern for fast-rolling grip and traction.
  • EN Ultimate casing.
  • Tubeless ready.
  • Available in two widths: 2.4" (955g) or 2.6" (1,150g).

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Threads Per Inch: 60 

Tire Type: Tubeless Ready 

Wheel Size: 650B (ISO 584) 

TPI: 240 

27.5 x 2.6 - Dynamic R/T

Weight: 1020 grams

Tire Width: 66mm (2.6in) 

Mfg PartNum: GR.002.66.584.V003.R 

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Reviewed 7/7/2018
by Robolob
Cycling Enthusiast
Overall Rating
1 of 1 customers found this review helpful.
Excellent tire.

I put this tire on the front 2 days before heading to Moab for 1 week. FYI I have been MTB since 1995 and tried many tires from old school 1.95 to 3.0. I ride Moab every year. This tire was excellent. Great cornering and traction on everything from Porcupine, Mag 7 and yes even slickrock. Rocks, drops, sand you name it. I have one ride here back in the Pacific NW and so far I love the tire. I look forward to getting the back tire.

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A guide to understanding bicycle tire tread patterns and what you should look for.

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