MTB Tire Comparison:
Schwalbe Racing Ralph Super Race Addix Speed 2021 vs
Schwalbe Thunder Burt Super Ground Addix Speed 2021




Manufacturer Specifications


Manufacturer Specifications
Brand SchwalbeSchwalbe
Model Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Year 20212021
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 11654049.0111600657.02
EAN 40264958795524026495879750
TPI 6767
Compound Addix SpeedGripAddix Speed
Bead FoldingFolding
ETRTO 57-62257-622
Size Inch 29"29"
Width Inch 2.252.25
Specified Weight 640 grams615 grams
Min Air Pressure 26 psi26 psi
Max Air Pressure 54 psi54 psi
Made In Members OnlyMembers Only
Available Sizes 29x2.25
29x2.35
29x2.10
29x2.25
29x2.35
27.5x2.10
Image 1
Schwalbe Racing Ralph Super Race Addix Speed 2021
Schwalbe Thunder Burt Super Ground Addix Speed 2021
Image 2
Schwalbe Racing Ralph Super Race Addix Speed 2021
Schwalbe Thunder Burt Super Ground Addix Speed 2021
Image 3
Schwalbe Racing Ralph Super Race Addix Speed 2021
Schwalbe Thunder Burt Super Ground Addix Speed 2021
Image 4 Not AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Specified Weight 640 grams615 grams
Measured Weight 659 grams680 grams
Measured Width Carcass 52 mm (un-round)53 mm (un-round)
Measured Width Tread 54 mm54 mm
Measured Height 51 mm (un-round)51 mm (un-round)
Measured Knob Height Center 2.4 mm1.5 mm
Measured Knob Height Edge 3.9 mm3.9 mm
Measured Casing Thickness Center 2.20 mm1.60 mm
Measured Total Thickness Sidewall Members OnlyMembers Only
All size measurements are taken at an air pressure of 35 psi / 2.4 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


Rolling Resistance Test Results
Model Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Spin Up Video YouTubeYouTube
Inner Tube None (40 ml sealant)None (40 ml sealant)
Rolling Resistance
55 PSI / 3.8 Bar
Members OnlyMembers Only
Rolling Resistance
45 PSI / 3.1 Bar
Members OnlyMembers Only
Rolling Resistance
35 PSI / 2.4 Bar
20.1 Watts
CRR: 0.00603
13.9 Watts
CRR: 0.00417
Rolling Resistance
25 PSI / 1.7 Bar
21.5 Watts
CRR: 0.00644
15.7 Watts
CRR: 0.00471
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 Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Total Puncture Score Tread 28 Points26 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 2.2 mm1.6 mm
Sidewall Puncture Force Sharp Needle Members OnlyMembers Only
Sidewall Puncture Force Blunt Needle Members OnlyMembers Only
Sidewall Total Tire Thickness Members OnlyMembers Only

Static Grip Test Results


Static Grip Test Results (higher is better)
Model Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Wet Grip Average 61 Points56 Points
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 2.4 mm1.5 mm
Measured Knob Height Edge 3.9 mm3.9 mm
Grip in points = coefficient of friction * 100
MTB grip test rim width = 30.0 mm
Wet Grip Test and Off-Road Tires (info)

Conclusion


Conclusion
Model Racing Ralph Super Race Addix SpeedThunder Burt Super Ground Addix Speed
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4.0 / 54.5 / 5
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  • Schwalbe Racing Ralph Super Race Addix Speed
  • Schwalbe Thunder Burt Super Ground Addix Speed
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

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