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Live · checked today · 3 UK retailers tracked
Callaway BIG Bertha Hybrid — Generation Unknown vs Callaway X Forged UT 21 Hybrid
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway BIG Bertha Hybrid — Generation Unknown is currently £74.99 used, while Callaway X Forged UT 21 Hybrid is currently £86.95 used. against tracked history, Callaway BIG Bertha Hybrid — Generation Unknown is at its lowest tracked price and Callaway X Forged UT 21 Hybrid is at its lowest tracked price. Callaway BIG Bertha Hybrid — Generation Unknown is currently available from 2 UK retailers, versus 1 for Callaway X Forged UT 21 Hybrid.
Callaway
BIG Bertha Hybrid — Generation Unknown
£74.99 used — at its low Buy £74.99 → at UK Used Golf ClubsCallaway
BIG Bertha Hybrid — Generation Unknown
£74.99 used
at UK Used Golf Clubs
Deal intelligence
Should you buy now, or wait?
Both are at their lowest tracked prices today.
Callaway · BIG Bertha Hybrid — Generation Unknown
Not enough data yet
Today £94.95 · typical £94.95 · lowest £94.95
Callaway · X Forged UT 21 Hybrid
Not enough data yet
Today £86.95 · typical £119.95 · lowest £86.95
On sale 2 times in the last 3 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha Hybrid — Generation Unknown £74.99 vs £86.95
- Most retailers in stock BIG Bertha Hybrid — Generation Unknown 2 vs 1
- Cheapest used BIG Bertha Hybrid — Generation Unknown from £74.99 vs £86.95
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha Hybrid — Generation Unknown | Callaway X Forged UT 21 Hybrid |
|---|---|---|
| Release year | 2024 | 2021 |
Where to buy
3 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 · X Forged UT 21 Hybrid
↓ £33
since 9 April 2026
Lowest £86.95 on 11 July 2026
New vs used
From used listings we track
Callaway · BIG Bertha Hybrid — Generation Unknown
NEW £74.99
USED FROM £74.99
Callaway · X Forged UT 21 Hybrid
NEW £86.95
USED FROM £86.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha Hybrid — Generation Unknown | Callaway X Forged UT 21 Hybrid |
|---|---|---|
| 18° · Left-hand · Used | 1 retailer · from £74.99 at UK Used Golf Clubs → | 1 retailer · from £94.95 at Replay Golf → |
| Used | 1 retailer · from £94.95 at Affordable Golf → | 1 retailer · from £97.95 at Replay Golf → |
| 18° · Used | — | 1 retailer · from £86.95 at Replay Golf → |
| 21° · Left-hand · Used | — | 1 retailer · from £97.95 at Replay Golf → |
| 21° · Used | — | 1 retailer · from £117.95 at Replay Golf → |
| 24° · Used | — | 1 retailer · from £86.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha Hybrid — Generation Unknown vs Callaway X Forged UT 21 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.