Tests – · none yet Owners 57 · 13 reviews
Head-to-head
Updated
Bridgestone S20 vs Michelin Power 5 — Compared
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 0 + 0 road tests and 13 + 16 owner reviews. How we score
Power 5 is ahead, 71–63
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Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
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65
Dry
Power 5 +671Why this score
Source S20 Power 5 Professional tests (TWG score) ≈ 66 (est.) ≈ 70 (est.) Reviews found online 64 73 S20: 60% × 66.1 (est.) + 40% × 63.5 = 65
Power 5: 60% × 70 (est.) + 40% × 72.9 = 71
No road tests of dry for S20. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).
No road tests of dry for Power 5. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).
-
66
Wet
Power 5 +874Why this score
Source S20 Power 5 Professional tests (TWG score) ≈ 67 (est.) ≈ 73 (est.) Reviews found online 65 75 S20: 60% × 67.5 (est.) + 40% × 64.8 = 66
Power 5: 60% × 72.9 (est.) + 40% × 74.7 = 74
No road tests of wet for S20. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
No road tests of wet for Power 5. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
-
65
Comfort
Power 5 +671Why this score
Source S20 Power 5 Professional tests (TWG score) ≈ 68 (est.) ≈ 69 (est.) Reviews found online 64 72 S20: 40% × 67.6 (est.) + 60% × 63.5 = 65
Power 5: 40% × 69.3 (est.) + 60% × 71.7 = 71
No road tests of comfort for S20. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).
No road tests of comfort for Power 5. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).
-
50
Treadwear
Power 5 +1464Why this score
Source S20 Power 5 Professional tests (TWG score) ≈ 57 (est.) ≈ 65 (est.) Reviews found online 39 62 S20: 60% × 56.7 (est.) + 40% × 39.4 = 50
Power 5: 60% × 64.8 (est.) + 40% × 61.8 = 64
No road tests of treadwear for S20. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).
No road tests of treadwear for Power 5. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).
-
67
Handling (owners)
Power 5 +673Why this score
Source S20 Power 5 Reviews found online 67 73
Scores at a glance
| Category | Bridgestone S20 | Michelin Power 5 |
|---|---|---|
| Relative Score | 63 | 71 |
| Dry | 65 | 71 |
| Wet | 66 | 74 |
| Comfort | 65 | 71 |
| Treadwear | 50 | 64 |
| Handling (owners) | 67 | 73 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Recomputed
Headline score
63
/ 100
S20
71
/ 100
Power 5
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A S20
Pros
- Exceptional grip levels in both wet and dry conditions
- Progressive and predictable handling characteristics
- Strong performance during aggressive road riding and track use
Cons
- Very short tread life, particularly on high-torque motorcycles
- Rapid degradation and squaring off of the rear tire
- Front tire can be slow to reach optimal operating temperature
Tire B Power 5
Pros
- Exceptional wet-weather grip and stability in standing water
- Rapid warm-up times, even in cooler ambient temperatures
- Agile handling and predictable cornering behavior on public roads
Cons
- Tendency for the rear tire to square off prematurely
- Inconsistent performance and grip degradation as the tire reaches the end of its life
- Lack of confidence at maximum lean angles compared to dedicated track tires
Specs side by side
| Attribute | A · Bridgestone S20 | B · Michelin Power 5 |
|---|---|---|
| Category | Summer | Summer |
| Vehicle type | Motorcycle | Motorcycle |
Which one should you actually buy?
63
/ 100
Bridgestone S20
71
/ 100
Michelin Power 5
Winner: Michelin Power 5 — better treadwear, wet and dry. It leads or ties in every category we score. Bridgestone S20 rests on little evidence so far (0 tests, 13 reviews), so read this result as provisional. Michelin Power 5 rests on little evidence so far (0 tests, 16 reviews), so read this result as provisional.
Pick tire B
You want the longest tread life
Michelin Power 5 scores 64 vs 50 on treadwear.
Pick tire B
Your priority is wet-weather safety
Michelin Power 5 scores 74 vs 66 on wet.
Pick tire B
You want the most grip on dry roads
Michelin Power 5 scores 71 vs 65 on dry.
Pick tire B
You want the most comfortable ride
Michelin Power 5 scores 71 vs 65 on comfort.
Tire A · Bridgestone S20
Tire B · Michelin Power 5
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S20 or Power 5?
Which is better in the wet, S20 or Power 5?
Michelin Power 5, 74 vs 66 on our wet score.
Which grips better on dry roads, S20 or Power 5?
Michelin Power 5, 71 vs 65 on our dry score.
Which is more comfortable, S20 or Power 5?
Michelin Power 5, 71 vs 65 on our comfort score.
Which lasts longer, S20 or Power 5?
Michelin Power 5, 64 vs 50 on our treadwear score.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.
Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology