Road Bike Tire Comparison:
Bontrager R4 320 2016 vs
Mavic Yksion Pro UST Tubeless 2018

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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
  • Bontrager R4 320
  • Mavic Yksion Pro UST Tubeless
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specifications
Brand BontragerMavic
Model R4 320Yksion Pro UST Tubeless
Year 20162018
Tire Type Tubetype (clincher)Tubeless
Supplied By Bought in storeBought in store
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range Very HighHigh
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Manufacturer Part Number 39938825
EAN 0889645491714
TPI 320127
Compound 11 Storm
Bead FoldingFolding
ETRTO 25-62225-622
Size Inch 28"28"
Width mm 2525
Specified Weight 230 grams260 grams
Min Air Pressure 90 psi72 psi
Max Air Pressure 140 psi102 psi
Made In ThailandFrance
Available Sizes 25-622 (700x25C)25-622 (700x25c)
28-622 (700x28c)
Image
Bontrager R4 320 2016
Mavic Yksion Pro UST Tubeless 2018
Image
Bontrager R4 320 2016
Mavic Yksion Pro UST Tubeless 2018
Image
Bontrager R4 320 2016
Mavic Yksion Pro UST Tubeless 2018

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model R4 320Yksion Pro UST Tubeless
Specified Weight 230 grams260 grams
Measured Weight 226 grams256 grams
System Adjusted Weight 326 grams
(tire + inner tube)
276 grams
(tire + valve + rim seal)
Measured Width 25 mm27 mm
Measured Height 22 mm24 mm
Total Tire Thickness Center 2.2 mm2.8 mm
Total Tire Thickness Sidewall 0.8 mm1.1 mm
Unmounted Casing Width No Data64 mm
Unmounted Tread Width No Data27 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model R4 320Yksion Pro UST Tubeless
Inner Tube Conti Race28 (100gr butyl)None (20 ml sealant)
Spin Up Video YouTubeNo Video
Rolling Resistance
140 PSI / 9.7 Bar
Not TestedNot Tested
Rolling Resistance
120 PSI / 8.3 Bar
11.5 Watts
CRR: 0.00345
11.7 Watts
CRR: 0.00351
Rolling Resistance
100 PSI / 6.9 Bar
12.2 Watts
CRR: 0.00366
12.2 Watts
CRR: 0.00366
Rolling Resistance
80 PSI / 5.5 Bar
13.9 Watts
CRR: 0.00417
13.3 Watts
CRR: 0.00399
Rolling Resistance
60 PSI / 4.1 Bar
16.4 Watts
CRR: 0.00492
15.4 Watts
CRR: 0.00462
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 R4 320Yksion Pro UST Tubeless
Puncture Resistance Tread 10 Points10 Points
Puncture Resistance Sidewall 4 Points6 Points

Conclusion


Conclusion
Model R4 320Yksion Pro UST Tubeless
Full Review Full ReviewFull Review
Verdict RecommendedHighly Recommended
Rating 4 / 55 / 5
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  • Bontrager R4 320
  • Mavic Yksion Pro UST Tubeless
Performance compared to all other road bike tires
(100% is fastest - lightest - thickest - strongest)


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