CX/Gravel Tire Comparison:
Panaracer GravelKing SS TLC 40 2021 vs
Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40 2020 vs
Specialized Pathfinder Pro 2Bliss Ready 42 2021

Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Static Grip Test Results
  6. Conclusion
  • Panaracer GravelKing SS TLC 40
  • Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40
  • Specialized Pathfinder Pro 2Bliss Ready 42
Performance compared to all other CX/Gravel tires
(100% is best)
Pro Members get 11-point radar charts



Manufacturer Specifications


Manufacturer Specifications
Brand PanaracerSchwalbeSpecialized
Model GravelKing SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Year 202120202021
Supplied By Bought in storeBought in storeBought in store
Full Review Full ReviewFull ReviewFull Review
New or Used NewNewNew
Mileage 0 km0 km0 km
Price Range HighHighHigh
Buy At Ad Amazon.comAd Amazon.com
Manufacturer Part Number RF738-GK-SMS-B11600995.0100019-4413
EAN 4026495886307
TPI -67120
Compound ZSGAddix SpeedGripGripton
Bead FoldingFoldingFolding
ETRTO 40-62240-62242-622
Specified Weight 410 grams465 grams540 grams
Min Air Pressure psi45 psi50 psi
Max Air Pressure 75 psi70 psi80 psi
Made In Members OnlyMembers OnlyMembers Only
Available Sizes 32-622 (700x32c)
35-622 (700x35c)
40-622 (700x38c)
43-622 (700x43c)
48-584 (650x48b)
30-622 (700x30x)
35-622 (700x35c)
40-622 (700x40c)
50-622 (28x2.00)
60-622 (29x2.35)
40-406 (20x1.50)
38-622 (700x38c)
42-622 (700x42c)
47-622 (700x47c)
47-584 (700x650b)
Image 1
Panaracer GravelKing SS TLC 40 2021
Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40 2020
Specialized Pathfinder Pro 2Bliss Ready 42 2021
Image 2
Panaracer GravelKing SS TLC 40 2021
Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40 2020
Specialized Pathfinder Pro 2Bliss Ready 42 2021
Image 3
Panaracer GravelKing SS TLC 40 2021
Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40 2020
Specialized Pathfinder Pro 2Bliss Ready 42 2021
Image 4 Not AvailableNot AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model GravelKing SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Specified Weight 410 grams465 grams540 grams
Measured Weight 405 grams481 grams573 grams
Measured Width Casing 36 mm (un-round)37 mm (un-round)40 mm (un-round)
Measured Width Tread 36 mm36 mm41 mm
Measured Height 33 mm (un-round)35 mm (un-round)40 mm (un-round)
Measured Knob Height Center 0.2 mm0.3 mm0.0 mm
Measured Knob Height Edge 1.7 mm0.3 mm2.4 mm
Measured Casing Thickness Center 2.80 mm3.10 mm2.30 mm
Measured Total Thickness Sidewall Members OnlyMembers OnlyMembers Only
All size measurements are taken at low air pressure on a 17.8 mm inner width rim.

Rolling Resistance Test Results


Rolling Resistance Test Results
Model GravelKing SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Spin Up Video YouTubeYouTubeYouTube
Inner Tube None (30 ml sealant)None (30 ml sealant)None (30 ml sealant)
Measured Width 36 mm37 mm40 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
43-46 = 46 psi/3.2 bar
47-50 = 42 psi/2.9 bar
High Air Pressure
Members OnlyMembers 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
43-46 = 38 psi/2.6 bar
47-50 = 35 psi/2.4 bar
Medium Air Pressure
Members OnlyMembers 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
43-46 = 31 psi/2.1 bar
47-50 = 28 psi/1.9 bar
Low Air Pressure
19.2 Watts
CRR: 0.00576
(36 psi / 2.6 bar)
24.8 Watts
CRR: 0.00743
(36 psi / 2.6 bar)
20.3 Watts
CRR: 0.00609
(33 psi / 2.3 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
43-46 = 23 psi/1.6 bar
47-50 = 21 psi/1.4 bar
Extra Low Air Pressure
22.5 Watts
CRR: 0.00674
(27 psi / 1.9 bar)
28.2 Watts
CRR: 0.00845
(27 psi / 1.9 bar)
23.2 Watts
CRR: 0.00695
(25 psi / 1.7 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 SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Total Puncture Score Tread 45 Points51 Points48 Points
Total Puncture Score Sidewall Members OnlyMembers OnlyMembers Only
Tread Puncture Force Sharp Needle Members OnlyMembers OnlyMembers Only
Tread Puncture Force Blunt Needle Members OnlyMembers OnlyMembers Only
Tread Total Tire Thickness 2.8 mm3.1 mm2.3 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model GravelKing SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Wet Grip Average 64 Points82 Points78 Points
Wet Grip Center Members OnlyMembers OnlyMembers Only
Wet Grip Edge Members OnlyMembers OnlyMembers Only
Measured Knob Height Center 0.2 mm0.3 mm0.0 mm
Measured Knob Height Edge 1.7 mm0.3 mm2.4 mm
Grip in points = coefficient of friction * 100
CX/Gravel grip test rim width = 23.0 mm
Wet Grip Test and Off-Road Tires (info)

Conclusion


Conclusion
Model GravelKing SS TLC 40G-One Speed Super Ground V-Guard SpeedGrip 40Pathfinder Pro 2Bliss Ready 42
Full Review Full ReviewFull ReviewFull Review
Verdict Highly RecommendedNot RecommendedRecommended
Rating 4.3 / 52.5 / 54.0 / 5
Buy At Ad Amazon.comAd Amazon.com
  • Panaracer GravelKing SS TLC 40
  • Schwalbe G-One Speed Super Ground V-Guard SpeedGrip 40
  • Specialized Pathfinder Pro 2Bliss Ready 42
Performance compared to all other CX/Gravel tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 11-point radar charts