2019 Mizuno F19 CRBN1 Fastpitch Bat Review
The Mizuno F19 Carbon 1 is a one-piece composite drop-10 with a carbon double-wall barrel that delivers low compression and a stiff, connected feel - a solid alternative for hitters who prefer a one-piece swing.
The Score
How we score ↗How big and forgiving the barrel is — based on barrel length, construction (one- vs two-piece, alloy vs composite), and how it plays on balls hit off the center. A primary driver of the overall score.
Raw exit velocity and distance. We use measured numbers from freely available independent testing when they exist; otherwise construction and consensus, judged against the certification’s performance ceiling. A primary driver of the overall score.
Comfort and feedback on contact — vibration dampening from the knob/connection, the sting of a stiff one-piece vs a smooth two-piece, and the sound off the barrel. A primary driver of the overall score.
How well it holds up and how the company stands behind it — documented cracking/denting reports, cold-weather behavior, and the brand’s real warranty record. Good to know, but weighted lightly in the score.
Our take on price-for-performance — the overall package weighed against its cost and what comparable bats run. Shown for context; it is NOT factored into the overall score (price changes too often and is personal).
Why this score: A well-made one-piece composite with quick pop and a stiff, honest feel, held back from the top tier by less sweet-spot forgiveness and more feedback on mishits than a dampened two-piece.
Our Review
The F19 Carbon 1 (model 340477) is Mizuno's one-piece, all-composite fastpitch bat built around a carbon double-wall barrel. The double-wall design lowers barrel compression for higher ball speeds while keeping the one-piece feel stiff and direct - energy goes straight into the ball with no flex point, which some hitters strongly prefer over the flexier two-piece feel of a Ghost or CF. An optimized end cap widens the sweet spot and tunes the sound. It carries USSSA 1.20 BPF plus ASA/USA, NSA, ISA and ISF, so it is broadly legal. The balanced swing makes it manageable for a range of hitters, and Mizuno's build quality is generally well regarded. The honest knocks: a one-piece composite transmits more sting on mishits than a dampened two-piece, and Mizuno's fastpitch bats have never had the brand cachet or resale of the Ghost line. As a closeout it is a genuinely good-value one-piece option.
Also worth a look: Easton Ghost Unlimited — our top fastpitch pick - the benchmark for feel and pop.
Pros & Cons
Pros
- Carbon double-wall barrel gives low compression and quick pop
- Stiff, direct one-piece feel for hitters who dislike flex
- Broadly legal and well-built at a closeout price
Cons
- One-piece design transmits more sting on off-center contact
- Less sweet-spot forgiveness than top two-piece composites
Full Specifications
| Brand | Mizuno |
|---|---|
| Model | F19 CRBN1 |
| Model Year | 2019 |
| Certification | Fastpitch |
| Sport | Softball |
| Construction | One-piece composite, carbon double-wall barrel |
| Model # | 340477 |
| Drop | -10 |
| Barrel | 2 1/4" |
| Swing Weight | Balanced |
| MSRP | $299 |
Where to Buy
2019 Mizuno F19 CRBN1 Fastpitch Bat — FAQ
Is the 2019 Mizuno F19 CRBN1 a good Fastpitch bat?
We rate it 7.7/10 (Grade B). The Mizuno F19 Carbon 1 is a one-piece composite drop-10 with a carbon double-wall barrel that delivers low compression and a stiff, connected feel - a solid alternative for hitters who prefer a one-piece swing.
What drops does the F19 CRBN1 come in?
The 2019 F19 CRBN1 Fastpitch comes in -10.
Is the Mizuno F19 CRBN1 Fastpitch-legal?
Yes — it's Fastpitch certified by the certifying labs. Meets USA Softball / USSSA fastpitch standards — legal for sanctioned fastpitch play.
How much does the 2019 F19 CRBN1 cost?
MSRP is $299. We list the lowest price across CheapBats and Amazon on this page.
New to buying bats? Read our bat sizing guide, certifications explained, or browse all guides.
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