Fat Bike Tire Comparison:
Schwalbe Jumbo Jim SnakeSkin 2017 vs
Surly Larry 27 TPI 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
  • Schwalbe Jumbo Jim SnakeSkin
  • Surly Larry 27 TPI
Performance compared to all other fat bike tires
(100% is fastest - lightest - highest - strongest)

Manufacturer Specifications


Manufacturer Specs
Brand SchwalbeSurly
Model Jumbo Jim SnakeSkinLarry 27 TPI
Year 20172016
Supplied By Bought in storeBought in store
Sponsored by
Wolf Tooth Components
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
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Manufacturer Part Number 11600715
TPI 12727
Compound PaceStar
Bead FoldingWire
ETRTO 100-559
Size Inch 26"26"
Width Inch 4.003.80
Specified Weight 1090 grams1567 grams
Min Air Pressure 5 psi psi
Max Air Pressure 30 psi30 psi
Made In IndonesiaChina
Available Sizes 26 x 4.80
26 x 4.40
26 x 4.00
26 x 3.80
Image
Schwalbe Jumbo Jim SnakeSkin 2017
Surly Larry 27 TPI 2016
Image
Schwalbe Jumbo Jim SnakeSkin 2017
Surly Larry 27 TPI 2016
Image
Schwalbe Jumbo Jim SnakeSkin 2017
Surly Larry 27 TPI 2016

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 559-65C, Pressure: 16 psi / 1.1 bar)
Model Jumbo Jim SnakeSkinLarry 27 TPI
Specified Weight 1090 grams1567 grams
Measured Weight 1164 grams1660 grams
Measured Width Casing 97 mm95 mm
Measured Width Tread 99 mm92 mm
Measured Height 84 mm81 mm
Measured Knob Height Center 3.4 mm4.5 mm
Measured Knob Height Edge 6.5 mm4.5 mm
Measured Total Thickness Sidewall 1.05 mm1.30 mm
Measured Carcass Thickness Center 1.65 mm2.90 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Jumbo Jim SnakeSkinLarry 27 TPI
Inner Tube Schwalbe SV13J (390 gr)Schwalbe SV13J (390 gr)
Spin Up Video YouTubeYouTube
Rolling Resistance
20 PSI / 1.4 Bar
23.2 Watts
CRR: 0.00695
33.5 Watts
CRR: 0.01004
Rolling Resistance
16 PSI / 1.1 Bar
24.8 Watts
CRR: 0.00743
38.1 Watts
CRR: 0.01142
Rolling Resistance
12 PSI / 0.8 Bar
29.2 Watts
CRR: 0.00875
43.5 Watts
CRR: 0.01304
Rolling Resistance
8 PSI / 0.6 Bar
38.6 Watts>
CRR: 0.01157
53.0 Watts>
CRR: 0.01589
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 Jumbo Jim SnakeSkinLarry 27 TPI
Puncture Resistance Tread 7 Points5 Points
Puncture Resistance Side 6 Points4 Points

Conclusion


Conclusion
Model Jumbo Jim SnakeSkinLarry 27 TPI
Full Review Full ReviewFull Review
Verdict Highly RecommendedNot Recommended
Rating 5 / 52 / 5
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  • Schwalbe Jumbo Jim SnakeSkin
  • Surly Larry 27 TPI
Performance compared to all other fat bike tires
(100% is fastest - lightest - highest - strongest)


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