Cobra BiO Cell+ vs Cobra Fly-Z+
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | BiO Cell+ loft | Fly-Z+ loft | BiO Cell+ lie | Fly-Z+ lie | BiO Cell+ length | Fly-Z+ length |
|---|---|---|---|---|---|---|
| 3 | 20 | 20 | 60 | 60.5 | 39 | 39 |
| 4 | 22.5 | 23 | 61 | 61 | 38.5 | 38.5 |
| 5 | 25.5 | 26 | 61.5 | 61.5 | 38 | 38 |
| 6 | 29 | 29 | 62 | 62 | 37.5 | 37.5 |
| 7 | 32.5 | 33 | 62.5 | 62.5 | 37 | 37 |
| 8 | 36 | 37 | 63 | 63 | 36.5 | 36.5 |
| 9 | 40 | 41 | 63.5 | 63.5 | 36 | 36 |
| PW | 45 | 45 | 64 | 64 | 35.75 | 35.75 |
| GW | 50 | 50 | 64 | 64 | 35.5 | 35.5 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- BiO Cell+
- Fly-Z+
What the differences mean
At the 7-iron, the BiO Cell+ is 32.5° and the Fly-Z+ is 33°, a 0.5° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the BiO Cell+ should carry about 2 yards further with that club, on a slightly lower, shallower flight than the Fly-Z+. Across the 9 clubs both sets share, the Fly-Z+ averages 0.4° weaker, with the largest gap at the 8-iron (36° vs 37°).
The BiO Cell+ is a players distance iron and the Fly-Z+ a players iron, so they sit one step apart on the forgiveness scale. The BiO Cell+ is the more forgiving design, with a wider sole, more offset and more perimeter weighting for roughly 5 to 15 handicaps who want extra distance from a compact head. The Fly-Z+ trades some of that for a more compact head, thinner topline and more control over flight and shape, which suits roughly scratch to 10 handicaps.
The BiO Cell+ is listed as cast multi-material with tungsten cell weighting and perimeter undercut and the Fly-Z+ as forged multi-material with tungsten heel and toe inserts. Forging, as in the Fly-Z+, is generally credited with a softer feel; casting, as in the BiO Cell+, allows more complex cavity and weighting shapes, which is why it dominates forgiving irons. Both use tungsten weighting to lower the centre of gravity and steady the head on off-centre strikes.
The Fly-Z+ arrived 1 year after the BiO Cell+, a typical one-generation refresh. Changes over that span are usually incremental: refined face thickness, revised weighting, updated looks and small loft tweaks rather than a new concept. Here the 7-iron loft moved from 32.5° to 33°.
Which should you choose?
The Fly-Z+ is the weaker-lofted set — up to 1° weaker than the BiO Cell+. That trades raw distance for a steeper landing angle and more predictable stopping power into greens.
Both charts are reproduced in full on their own pages: Cobra BiO Cell+ specs and Cobra Fly-Z+ specs.
Frequently asked questions
Is the Cobra BiO Cell+ stronger lofted than the Fly-Z+?
Yes. The Cobra BiO Cell+ 7-iron is 32.5° against 33° for the Fly-Z+, 0.5° stronger, which is worth about 2 yards of extra carry with the same swing.
What is the loft difference between the Cobra BiO Cell+ and Fly-Z+?
At the 7-iron the difference is 0.5° (32.5° vs 33°). The largest gap on a shared club is 1° at the 8-iron, and 5 of the 9 shared clubs differ.
Which is better for higher handicap golfers, the Cobra BiO Cell+ or the Fly-Z+?
The Cobra BiO Cell+. As a players distance iron it is the more forgiving design, suited to roughly 5 to 15 handicaps who want extra distance from a compact head. The Fly-Z+ is a players iron, better suited to roughly scratch to 10 handicaps.
Do the Cobra BiO Cell+ and Fly-Z+ have the same lie and length?
At the 7-iron, yes: both are 62.5° lie and 37 inches long.
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