MTB Tire Comparison:
Kenda Small Block Eight 2015 vs
Maxxis Aspen EXO TR 2019

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
  • Kenda Small Block Eight *
  • Maxxis Aspen EXO TR
* Grip test data not available
Performance compared to all other MTB tires
(100% is best)
Pro Members get 11-point radar charts



Manufacturer Specifications


Manufacturer Specifications
Brand KendaMaxxis
Model Small Block EightAspen EXO TR
Year 20152019
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range HighHigh
Buy At Ad Amazon.comAd Amazon.com
Manufacturer Part Number K1047 212509ETB96895500
EAN 4717784032719
TPI 120120
Compound DTCDual Compound
Bead FoldingFolding
ETRTO 54-62257-622
Size Inch 29"28"
Width Inch 2.102.25
Specified Weight 580 grams645 grams
Min Air Pressure 35 psi psi
Max Air Pressure 80 psi60 psi
Made In Members OnlyMembers Only
Available Sizes 29x2.1026x2.10
27.5x2.10
27.5x2.25
29x2.25
Image 1
Kenda Small Block Eight 2015
Maxxis Aspen EXO TR 2019
Image 2
Kenda Small Block Eight 2015
Maxxis Aspen EXO TR 2019
Image 3
Kenda Small Block Eight 2015
Maxxis Aspen EXO TR 2019
Image 4 Not AvailableNot Available

Size and Weight Measurements


Size and Weight Measurements
Model Small Block EightAspen EXO TR
Specified Weight 580 grams645 grams
Measured Weight 589 grams659 grams
Measured Width Carcass 50 mm (un-round)55 mm (un-round)
Measured Width Tread 50 mm55 mm
Measured Height 50 mm (un-round)55 mm (un-round)
Measured Knob Height Center 2.5 mm2.1 mm
Measured Knob Height Edge 4.0 mm3.3 mm
Measured Casing Thickness Center 1.40 mm2.00 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 Small Block EightAspen EXO TR
Spin Up Video No VideoYouTube
Inner Tube Conti MTB 29 (225 gr butyl)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
30.2 Watts
CRR: 0.00905
22.7 Watts
CRR: 0.00680
Rolling Resistance
25 PSI / 1.7 Bar
35.6 Watts
CRR: 0.01067
26.1 Watts
CRR: 0.00782
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 Small Block EightAspen EXO TR
Total Puncture Score Tread 23 Points29 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 1.4 mm2 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 Small Block EightAspen EXO TR
Wet Grip Average No Data53 Points
Wet Grip Center Members OnlyMembers Only
Wet Grip Edge Members OnlyMembers Only
Measured Knob Height Center 2.5 mm2.1 mm
Measured Knob Height Edge 4.0 mm3.3 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 Small Block EightAspen EXO TR
Full Review Full ReviewFull Review
Verdict Not RecommendedRecommended
Rating 2.0 / 53.0 / 5
Buy At Ad Amazon.comAd Amazon.com
  • Kenda Small Block Eight *
  • Maxxis Aspen EXO TR
* Grip test data not available
Performance compared to all other MTB tires
(100% is fastest - lightest - highest - strongest)

Pro Members get 11-point radar charts