CX/Gravel Tire Comparison:
Panaracer GravelKing TLC 2020 vs
WTB Byway TCS Light SG2 2020

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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
  • Panaracer GravelKing TLC
  • WTB Byway TCS Light SG2
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)
Pro Members get 9-point radar charts

Manufacturer Specifications


Manufacturer Specifications
Brand PanaracerWTB
Model GravelKing TLCByway TCS Light SG2
Year 20202020
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
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Manufacturer Part Number RF738-GK-BW010-0840
EAN 4931253016974
TPI -120
Compound ZSGDual DNA
Bead FoldingFolding
ETRTO 40-62240-622
Specified Weight 340 grams463 grams
Min Air Pressure psi25 psi
Max Air Pressure 75 psi60 psi
Made In Members OnlyMembers Only
Available Sizes 32-622 (700x32c)
35-622 (700x35c)
40-622 (700x38c)
38-584 (650bx38)
42-584 (650bx42)
48-584 (650bx48)
40-622 (700x40c)
44-622 (700x44c)
47-584 (650x47b)
Image
Panaracer GravelKing TLC 2020
WTB Byway TCS Light SG2 2020
Image
Panaracer GravelKing TLC 2020
WTB Byway TCS Light SG2 2020
Image
Panaracer GravelKing TLC 2020
WTB Byway TCS Light SG2 2020

Size and Weight Measurements


Size and Weight Measurements
Model GravelKing TLCByway TCS Light SG2
Specified Weight 340 grams463 grams
Measured Weight 337 grams462 grams
Measured Width Casing 37 mm (un-round)36 mm (un-round)
Measured Width Tread 34 mm34 mm
Measured Height 33 mm (un-round)32 mm (un-round)
Measured Knob Height Center 0.2 mm0.0 mm
Measured Knob Height Edge 0.2 mm1.8 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
Measured Casing Thickness Center 1.80 mm3.10 mm
All size measurements are taken at low air pressure on a 17.8 mm inner width rim.

Rolling Resistance Test Results


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Rolling Resistance Test Results
Model GravelKing TLCByway TCS Light SG2
Spin Up Video YouTubeYouTube
Inner Tube Conti Cross28 (160 gr)Conti Cross28 (160 gr)
Measured Width 37 mm36 mm
Rolling Resistance
Real tire width in mm:
30-32 = 66 psi/4.6 bar
33-35 = 60 psi/4.1 bar
36-38 = 54 psi/3.7 bar
39-42 = 50 psi/3.4 bar
High Air Pressure
Members OnlyMembers Only
Rolling Resistance
Real tire width in mm:
30-32 = 55 psi/3.8 bar
33-35 = 50 psi/3.4 bar
36-38 = 45 psi/3.1 bar
39-42 = 42 psi/2.9 bar
Medium Air Pressure
Members OnlyMembers Only
Rolling Resistance
Real tire width in mm:
30-32 = 44 psi/3.0 bar
33-35 = 40 psi/2.8 bar
36-38 = 36 psi/2.6 bar
39-42 = 33 psi/2.3 bar
Low Air Pressure
20.8 Watts
CRR: 0.00624
(36 psi / 2.6 bar)
30.4 Watts
CRR: 0.00911
(36 psi / 2.6 bar)
Rolling Resistance
Real tire width in mm:
30-32 = 33 psi/2.3 bar
33-35 = 30 psi/2.1 bar
36-38 = 27 psi/1.9 bar
39-42 = 25 psi/1.7 bar
Extra Low Air Pressure
24.9 Watts
CRR: 0.00746
(27 psi / 1.9 bar)
34.7 Watts
CRR: 0.01040
(27 psi / 1.9 bar)
The CX/Gravel section is a multi tire size section, air pressures have been adjusted to the measured casing width.

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 Results (higher is better)
Model GravelKing TLCByway TCS Light SG2
Total Puncture Score Tread 28 Points49 Points
Total Puncture Score Sidewall Members OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers Only
Tread Total Tire Thickness 1.8 mm3.1 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Conclusion


Conclusion
Model GravelKing TLCByway TCS Light SG2
Full Review Full ReviewFull Review
Verdict RecommendedNot Recommended
Rating 4.0 / 52.5 / 5
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  • Panaracer GravelKing TLC
  • WTB Byway TCS Light SG2
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 9-point radar charts


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