39
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
39/100
1 owner review
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Bridgestone Battlax BT45 vs Pirelli Diablo Rosso III — Compared (May 2026)
Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
VS
82
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
83/100
9 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Pirelli Diablo Rosso III — better treadwear, dry and handling. It leads or ties in every category we score.
Read full
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Category breakdown
5 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Score (0–100)
Diablo Rosso III leads by 40
Why this score
| Source | Battlax BT45 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 50 | 90 |
Wet
Score (0–100)
Diablo Rosso III leads by 27
Why this score
| Source | Battlax BT45 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 50 | 77 |
Comfort
Score (0–100)
Diablo Rosso III leads by 38
Why this score
| Source | Battlax BT45 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 50 | 88 |
Treadwear
Score (0–100)
Diablo Rosso III leads by 65
Why this score
| Source | Battlax BT45 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 10 | 75 |
Handling
Score (0–100)
Diablo Rosso III leads by 40
Why this score
| Source | Battlax BT45 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 50 | 90 |
Scores at a glance
| Category | Bridgestone Battlax BT45 | Pirelli Diablo Rosso III |
|---|---|---|
| Relative Score | 39 | 82 |
| Dry | 50 | 90 |
| Wet | 50 | 77 |
| Comfort | 50 | 88 |
| Treadwear | 10 | 75 |
| Handling | 50 | 90 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
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Recomputed
Headline score
39
/ 100
Tire A
82
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Bridgestone Battlax BT45 receives a highly critical assessment regarding its long-term structural integrity. Users report significant concerns regarding premature sidewall cracking, which raises serious questions about the tire's durability and safety over time.
Cons
- Premature sidewall cracking
- Poor long-term structural durability
- Concerns regarding safety and roadworthiness
Observations
- Users reported sidewall degradation occurring within one year of use, even when stored out of direct sunlight and maintained at recommended inflation pressures.
The Pirelli Diablo Rosso III is widely regarded as a high-performance sport tire that excels in providing predictable grip, excellent feedback, and confidence-inspiring wet-weather handling. While users consistently praise its agility and performance on twisty roads, there is a notable divide regarding tread longevity, with some riders experiencing rapid wear compared to more specialized track-focused or touring alternatives.
Pros
- Exceptional dry grip and predictable handling at various lean angles
- Improved wet-weather performance compared to more aggressive track-oriented tires
- Fast warm-up times providing immediate confidence
- High level of rider feedback and stability under heavy braking
Cons
- Inconsistent tread life, with some users reporting premature rear tire wear
- Potential for rapid degradation under aggressive riding styles
- Isolated reports of structural issues such as delamination
Observations
- Sportbike riders (Ducati 959 Panigale, Yamaha R1) report high satisfaction with the tire's ability to handle aggressive cornering and track-day usage.
- Users transitioning from touring-oriented tires (e.g., Scorpion Trail) to the Rosso III note a significant increase in agility and cornering capability, though at the expense of touring longevity.
Specifications
Specs side by side
| Attribute | A · Bridgestone Battlax BT45 | B · Pirelli Diablo Rosso III |
|---|---|---|
| Category | Summer Premium Touring tires | Summer Max Performance tires |
| Vehicle type | Motorcycle | Motorcycle |
Final verdict
Which one should you actually buy?
39
/ 100
Bridgestone
82
/ 100
Pirelli
Winner: Pirelli Diablo Rosso III — better treadwear, dry and handling. It leads or ties in every category we score.
Pick tire B
You want the longest tread life
Pirelli Diablo Rosso III scores 75 vs 10 on treadwear.
Pick tire B
You want the most grip on dry roads
Pirelli Diablo Rosso III scores 90 vs 50 on dry.
Pick tire B
You enjoy sharp, responsive handling
Pirelli Diablo Rosso III scores 90 vs 50 on handling.
Pick tire B
You want the most comfortable ride
Pirelli Diablo Rosso III scores 88 vs 50 on comfort.
Tire A · Bridgestone Battlax BT45
Tire B · Pirelli Diablo Rosso III
More comparisons
Also compared with
Bridgestone Battlax BT45 also compared with
Pirelli Diablo Rosso III also compared with
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.