MTB Tire Test: Maxxis Aspen EXO TR

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Maxxis Aspen EXO TR road bike tire on a rolling resistance test machine

The Maxxis Aspen is a mountain bike tire with a high volume casing and a low profile tread. The Aspen looks like one of the fastest tires from Maxxis as the tread pattern in the center of the tire is quite low and open. The edge knobs are a bit bigger and look like they will provide decent grip when leaned over far enough.

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This is a test of the 29x2.25 120 TPI EXO TR version of the Aspen that has a specified weight of 645 grams. The EXO TL part means this version has reinforced sidewalls (EXO) and is tubeless-ready (TL). The compound is a dual compound that is simply called "Dual Compound". We couldn't find much information about this compound so we're curious how it compares to the Maxxis 3C MaxxSpeed compound that we've tested before (Ikon 3C MaxxSpeed and Ardent Race 3C MaxxSpeed).

We've tested a few Maxxis MTB tires in the past and in general, they're not the fastest rolling tires out there. We're giving them another try to see how they stack up to other recent tires like the new 2019 Schwalbe Racing Ralph (read review) and Racing Ray (read review) with Addix Speed and SpeedGrip compounds.


Manufacturer Specifications

Manufacturer Specs
Brand Maxxis
Model Aspen EXO TR
Year 2019
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Buy At Ad
Manufacturer part number ETB96895500
TPI 120
Compound Dual Compound
Bead Folding
ETRTO 57-622
Size Inch 28"
Width Inch 2.25
Specified Weight 645 grams
Max Pressure 60
Made In Taiwan
Available Sizes 26x2.10

Maxxis Aspen EXO TR Test Results

Maxxis Aspen EXO TR  mountain bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements

Size, Weight, and Thickness Measurements (Bike Wheel: 622-17C, Pressure: 35 psi / 2.4 bar)
Specified Weight 645 grams
Measured Weight 659 grams
Measured Width Carcass 55 mm
Measured Width Tread 55 mm
Measured Height 55 mm
Measured Knob Height Center 2.1 mm
Measured Knob Height Edge 3.3 mm
Measured Total Thickness Sidewall 0.85 mm
Measured Total Thickness Center (excluding knobs) 2.00 mm

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Rolling Resistance Test Results

Rolling Resistance Test Results (Speed: 29 kmh / 18 mph / 8 m/s, Load: 42.5 kg / 417 N)
Inner Tube Conti MTB 29 (225 gr butyl)
Rolling Resistance 55 psi / 3,8 Bar 22.7Watts
CRR: 0.00680
Rolling Resistance 45 psi / 3,1 Bar 24.3 Watts
CRR: 0.00728
Rolling Resistance 35 psi / 2,4 Bar 26.2 Watts
CRR: 0.00785
Rolling Resistance 25 psi / 1,7 Bar 30.6 Watts
CRR: 0.00917
Use the formula: RR (watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load

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Puncture Resistance Test Results

Puncture Resistance Test Result (higher is better)
Puncture Resistance Tread 6 Points
Puncture Resistance Sidewall 5 Points

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Maxxis Aspen EXO TR  mountain bike tire on a rolling resistance test machine

Rolling resistance of the Maxxis Aspen EXO TR with the Maxxis Dual Compound is decent although it's still a bit slower than equivalent tires from Schwalbe. It looks like rolling resistance of the Maxxis Dual Compound is better than that of the Maxxis 3C MaxxSpeed compound which doesn't make sense to us.

The Aspen also comes with lower knobs on both the center and edge of the tread and weight is slightly higher as well when compared to the equivalent Schwalbe tire with reinforced sidewalls.

We rate the Maxxis Aspen 3 out of 5 because its performance is just a bit worse when compared to Schwalbe tires that scored 4 out of 5. Although we rate the Maxxis Aspen 3 out of 5 we still recommend this tire because the differences are small and other factors that we do not test might be more important to you.

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RATING: 3 / 5


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