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Live · checked today · 4 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Srixon ZX MK II Hybrid
Quick verdict
Checked daily across 4 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £89.99 used, while Srixon ZX MK II Hybrid is currently £89.95 used. Against tracked history, Callaway BIG Bertha B21 Hybrid is 11% above its lowest tracked price and Srixon ZX MK II Hybrid is 140% above its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 4 for Srixon ZX MK II Hybrid.
Callaway
BIG Bertha B21 Hybrid
£89.99 used No change 9% below usual Buy £89.99 → at Nearly New Golf ClubsDeal intelligence
Should you buy now, or wait?
Neither is at its low today. The Callaway BIG Bertha B21 Hybrid is closest, within 11% of its lowest tracked price. The Srixon ZX MK II Hybrid has more room: its tracked low is £74.95.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £99.95 · typical £99.95 · lowest £89.95
On sale 1 time in the last 3 months
Srixon · ZX MK II Hybrid
Not enough data yet
Today £179.95 · typical £119.95 · lowest £74.95
On sale 3 times in the last 4 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £89.99 vs £179.95
- Closest to its tracked low BIG Bertha B21 11% above vs 140%
- Most retailers in stock ZX MK II 4 vs 2
- Cheapest used ZX MK II from £89.95 vs £89.99
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Hybrid | Srixon ZX MK II Hybrid |
|---|---|---|
| Release year | 2021 | 2022 |
Where to buy
4 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · BIG Bertha B21 Hybrid
↓ £20
since 13 April 2026
Lowest £89.95 on 11 May 2026
Srixon · ZX MK II Hybrid
↑ £55
since 21 February 2026
Lowest £74.95 on 16 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £89.99
USED FROM £89.99
Srixon · ZX MK II Hybrid
NEW £179.95
USED FROM £89.95
Used prices average 65% of new · 10 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Srixon ZX MK II Hybrid |
|---|---|---|
| Stiff · 17° · Used | — | 2 retailers · from £90.95 at Replay Golf → |
| Regular · 19° · Left-hand · Used | 1 retailer · from £99.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Extra Stiff · 17° · Used | — | 1 retailer · from £119.99 at The Second Hand Golf Shop → |
| Regular · 20° · Left-hand · Used | — | 1 retailer · from £129.95 at Replay Golf → |
| Regular · 20° · Used | — | 1 retailer · from £129.95 at Replay Golf → |
| Regular · 22° · Left-hand · Used | — | 1 retailer · from £89.95 at Replay Golf → |
| Regular · 22° · Used | — | 1 retailer · from £169.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Srixon ZX MK II Hybrid
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.