84
/ 100
Objective (60%)
74/100
1 professional test
User signal (40%)
83/100
8 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Bridgestone Battlax Sport Touring T32 vs Pirelli Diablo Rosso IV — Compared (September 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
81
/ 100
Objective (60%)
70/100
1 professional test
User signal (40%)
87/100
7 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Bridgestone Battlax Sport Touring T32 — better wet and comfort. Pick the Pirelli Diablo Rosso IV if treadwear, dry and handling matter most to you.
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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 IV leads by 3
Why this score
| Source | Battlax Sport Touring T32 | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | – | 87 |
| Tyre Reviews owners | 86 | 93 |
Wet
Score (0–100)
Battlax Sport Touring T32 leads by 18
Why this score
| Source | Battlax Sport Touring T32 | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | 91 | 67 |
| Tyre Reviews owners | 89 | 79 |
| Wet Handling (% of best) | 100% | 89% |
Comfort
Score (0–100)
Battlax Sport Touring T32 leads by 7
Why this score
| Source | Battlax Sport Touring T32 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 93 | 86 |
Treadwear
Score (0–100)
Diablo Rosso IV leads by 7
Why this score
| Source | Battlax Sport Touring T32 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 69 | 76 |
Handling
Score (0–100)
Diablo Rosso IV leads by 3
Why this score
| Source | Battlax Sport Touring T32 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 88 | 91 |
| DriverReviews owners | – | 92 |
Scores at a glance
| Category | Bridgestone Battlax Sport Touring T32 | Pirelli Diablo Rosso IV |
|---|---|---|
| Relative Score | 84 | 81 |
| Dry | 86 | 89 |
| Wet | 90 | 72 |
| Comfort | 93 | 86 |
| Treadwear | 69 | 76 |
| Handling | 88 | 91 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Weight the categories that matter to you
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
84
/ 100
Tire A
81
/ 100
Tire B
Test data
The professional test results behind the scores
Each result is shown as % of the best tire in that test. “Same test” rows are the strictest comparison: both tires were measured side by side.
| Discipline | Category | Tire A | Tire B | Δ | Both? |
|---|---|---|---|---|---|
| Overall Ranking | Overall | 17% #6/6 · Best Motorcycle Tyres for 2024 | 20% #5/12 · 2025 Sport and Hypersport Motorcycle Tyre Test | -3.3 | Different tests |
| Wet Handling | Wet | 100% #6/6 · Best Motorcycle Tyres for 2024 | 89% #5/12 · 2025 Sport and Hypersport Motorcycle Tyre Test | +11.5 | Different tests |
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Bridgestone Battlax Sport Touring T32 is widely regarded as a high-performance touring tire that excels in wet-weather confidence and handling agility. While most riders praise its stability and transformative effect on bike handling, there is a notable consensus regarding its relatively short tread life and occasional concerns about rear-end grip during aggressive dry-weather riding.
Pros
- Exceptional wet-weather performance and rider confidence
- Noticeable improvement in handling and steering agility
- High-speed stability even when carrying heavy luggage
- Consistent performance across a wide range of temperatures
Cons
- Disappointing tread longevity, particularly for heavy touring bikes
- Reports of rear-end sliding during aggressive dry-weather cornering
- Noticeable drop-off in performance as the tire reaches the end of its life
Observations
- Riders of heavy touring motorcycles, such as the BMW R1200RT, report significantly faster rear tire wear compared to previous generation tires.
- The T32GT variant is specifically noted for providing lighter, more responsive steering compared to competitor tires on heavy touring platforms.
The Pirelli Diablo Rosso IV is widely regarded as a top-tier hypersport tire that offers significant improvements in feedback, warm-up time, and lean-angle confidence over its predecessors. While users consistently praise its performance in both wet and dry conditions, the consensus notes that these gains come at a premium price point and with potential longevity trade-offs depending on riding style.
Pros
- Exceptional dry and wet grip with rapid warm-up times.
- High level of precision and confidence at deep lean angles.
- Improved feedback and stability compared to previous generations (DR2/DR3).
- Surprisingly good low-speed stability and handling characteristics.
Cons
- Higher price point compared to competitors and previous models.
- Performance consistency may degrade as the tire reaches the end of its service life.
- Potential for increased wear rates under aggressive riding conditions.
Observations
- Users reported significant improvements in resistance to cupping on smaller displacement bikes (e.g., PCX 125) compared to the Diablo Rosso II.
- Aggressive riders utilizing standard sportbike sizes (120/70 and 190/55) report that the tire maintains performance characteristics comparable to more track-focused compounds like the Rosso Corsa II.
Specifications
Specs side by side
| Attribute | A · Bridgestone Battlax Sport Touring T32 | B · Pirelli Diablo Rosso IV |
|---|---|---|
| Category | Summer Premium Touring tires | Summer Max Performance tires |
| Vehicle type | Motorcycle | Motorcycle |
Final verdict
Which one should you actually buy?
84
/ 100
Bridgestone
81
/ 100
Pirelli
Winner: Bridgestone Battlax Sport Touring T32 — better wet and comfort. Pick the Pirelli Diablo Rosso IV if treadwear, dry and handling matter most to you.
Pick tire A
Your priority is wet-weather safety
Bridgestone Battlax Sport Touring T32 scores 90 vs 72 on wet.
Pick tire A
You want the most comfortable ride
Bridgestone Battlax Sport Touring T32 scores 93 vs 86 on comfort.
Pick tire B
You want the longest tread life
Pirelli Diablo Rosso IV scores 76 vs 69 on treadwear.
Pick tire B
You want the most grip on dry roads
Pirelli Diablo Rosso IV scores 89 vs 86 on dry.
Tire A · Bridgestone Battlax Sport Touring T32
Tire B · Pirelli Diablo Rosso IV
More comparisons
Also compared with
Bridgestone Battlax Sport Touring T32 also compared with
Pirelli Diablo Rosso IV 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.