68
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
71/100
13 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Bridgestone Battlax BT 015 vs Bridgestone Battlax BT 021 — 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
77
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
75/100
10 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Bridgestone Battlax BT 021 — better treadwear and wet. 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)
Battlax BT 021 leads by 1
Why this score
| Source | Battlax BT 015 | Battlax BT 021 |
|---|---|---|
| Tyre Reviews owners | 85 | 86 |
Wet
Score (0–100)
Battlax BT 021 leads by 5
Why this score
| Source | Battlax BT 015 | Battlax BT 021 |
|---|---|---|
| Tyre Reviews owners | 66 | 71 |
Comfort
Score (0–100)
Battlax BT 021 leads by 2
Why this score
| Source | Battlax BT 015 | Battlax BT 021 |
|---|---|---|
| Tyre Reviews owners | 77 | 79 |
Treadwear
Score (0–100)
Battlax BT 021 leads by 27
Why this score
| Source | Battlax BT 015 | Battlax BT 021 |
|---|---|---|
| Tyre Reviews owners | 52 | 79 |
Handling
Score (0–100)
Battlax BT 015 leads by 1
Why this score
| Source | Battlax BT 015 | Battlax BT 021 |
|---|---|---|
| Tyre Reviews owners | 75 | 74 |
Scores at a glance
| Category | Bridgestone Battlax BT 015 | Bridgestone Battlax BT 021 |
|---|---|---|
| Relative Score | 68 | 77 |
| Dry | 85 | 86 |
| Wet | 66 | 71 |
| Comfort | 77 | 79 |
| Treadwear | 52 | 79 |
| Handling | 75 | 74 |
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
68
/ 100
Tire A
77
/ 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 BT-015 is generally regarded as a capable, high-performance OEM tire that offers predictable handling and strong dry-weather grip. While users appreciate its stability and confidence-inspiring nature, the consensus is heavily marred by concerns regarding its short tread life and inconsistent longevity across different riding styles.
Pros
- Excellent dry-weather grip and road holding
- High-speed stability and predictable handling
- Progressive feedback when approaching traction limits
- Strong performance as an OEM-fitted tire for high-powered motorcycles
Cons
- Short tread life and rapid center wear
- Lack of clear feedback regarding optimal operating temperature
- Limited performance for dedicated track use compared to modern alternatives
- Inconsistent mileage results among different users
Observations
- Owners of high-powered bikes like the Honda CB1000R frequently report rapid center-tread wear, particularly during motorway riding.
- The tire is noted for maintaining stability at very high speeds, with some users reporting confidence at speeds exceeding 170mph.
The Bridgestone Battlax BT-021 receives a polarized reception, with user experience heavily dependent on riding style and tire pressure management. While some riders praise its longevity and consistent performance for commuting and touring, others report significant issues with handling, feedback, and wet-weather confidence.
Pros
- Exceptional tread longevity and durability for high-mileage commuters
- Reliable performance for motorway and long-distance riding
- Strong grip characteristics when tire pressures are correctly calibrated
- Confidence-inspiring stability for many sport-touring applications
Cons
- Handling characteristics can feel unpredictable or heavy if pressures are not perfectly matched to the bike
- Reports of poor wet-weather grip and lack of rider feedback
- Tendency for the center of the tire to flatten out significantly during high-mileage motorway use
- Inconsistent turn-in feel, described by some as fighting the rider
Observations
- Users noted that the tire is highly sensitive to manufacturer-recommended pressures, with incorrect settings leading to poor handling on bikes like the Kawasaki.
- Commuters on middleweight naked bikes reported high mileage but experienced uneven wear patterns, specifically flattening of the center tread.
Specifications
Specs side by side
| Attribute | A · Bridgestone Battlax BT 015 | B · Bridgestone Battlax BT 021 |
|---|---|---|
| Category | Summer High Performance tires | Summer High Performance tires |
| Vehicle type | Motorcycle | Motorcycle |
Final verdict
Which one should you actually buy?
68
/ 100
Bridgestone
77
/ 100
Bridgestone
Winner: Bridgestone Battlax BT 021 — better treadwear and wet. It leads or ties in every category we score.
Pick tire B
You want the longest tread life
Bridgestone Battlax BT 021 scores 79 vs 52 on treadwear.
Pick tire B
Your priority is wet-weather safety
Bridgestone Battlax BT 021 scores 71 vs 66 on wet.
Tire A · Bridgestone Battlax BT 015
Tire B · Bridgestone Battlax BT 021
More comparisons
Also compared with
Bridgestone Battlax BT 015 also compared with
Bridgestone Battlax BT 021 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.