Fat Bike Tire Comparison:
45NRTH Van Helga 2016 vs
Surly Larry 2016

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Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • 45NRTH Van Helga
  • Surly Larry
Performance compared to all other fat bike tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


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Manufacturer Specs
Brand 45NRTHSurly
Model Van HelgaLarry
Year 20162016
Supplied By Bought in store
Sponsored by
Wolf Tooth Components
Bought in store
Sponsored by
Wolf Tooth Components
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
Buy At
Manufacturer Part Number
TPI 120120
Compound Dual compound rubber
Bead FoldingFolding
ETRTO
Size Inch 26"26"
Width Inch 4.003.80
Specified Weight 0 grams1256 grams
Min Air Pressure psi psi
Max Air Pressure 30 psi30 psi
Made In ChinaChina
Available Sizes 26 x 4.00
26 x 4.70
26 x 3.80
Image
45NRTH Van Helga 2016
Surly Larry 2016
Image
45NRTH Van Helga 2016
Surly Larry 2016
Image
45NRTH Van Helga 2016
Surly Larry 2016

Size and Weight Measurements


Size and Weight Measurements
Model Van HelgaLarry
Specified Weight 0 grams1256 grams
Measured Weight 1229 grams1212 grams
Measured Width Casing 97 mm93 mm
Measured Width Tread 98 mm90 mm
Measured Height 84 mm80 mm
Measured Knob Height Center 5.8 mm4.5 mm
Measured Knob Height Edge 6.5 mm4.5 mm
Measured Total Thickness Sidewall 0.90 mm0.90 mm
Measured Carcass Thickness Center 1.85 mm2.50 mm
All size measurements are taken at an air pressure of 16 psi / 1.1 bars on a 65 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model Van HelgaLarry
Inner Tube Schwalbe SV13J (390 gr)Schwalbe SV13J (390 gr)
Spin Up Video YouTubeYouTube
Rolling Resistance
20 PSI / 1.4 Bar
33.8 Watts
CRR: 0.01013
30.3 Watts
CRR: 0.00908
Rolling Resistance
16 PSI / 1.1 Bar
36.1 Watts
CRR: 0.01082
32.9 Watts
CRR: 0.00986
Rolling Resistance
12 PSI / 0.8 Bar
41.0 Watts
CRR: 0.01229
37.7 Watts
CRR: 0.01130
Rolling Resistance
8 PSI / 0.6 Bar
51.0 Watts>
CRR: 0.01529
48.4 Watts>
CRR: 0.01451
All numbers are for a single tire at a speed of 29 km/h / 18 mph and a load of 42.5 kg / 94 lbs.

Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results


Puncture Resistance Test Result (higher is better)
Model Van HelgaLarry
Puncture Resistance Tread 6 Points6 Points
Puncture Resistance Side 4 Points4 Points

Conclusion


Conclusion
Model Van HelgaLarry
Full Review Full ReviewFull Review
Verdict RecommendedRecommended
Rating 3 / 53 / 5
Buy At
  • 45NRTH Van Helga
  • Surly Larry
Performance compared to all other fat bike tires
(100% is fastest - lightest - highest - strongest)
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