Compare / fairway wood
Live · checked today · 8 UK retailers tracked
Callaway BIG Bertha B21 Fairway Wood vs Cobra Darkspeed X Fairway Wood
Quick verdict
Checked daily across 8 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Fairway Wood is currently £119.99 used, while Cobra Darkspeed X Fairway Wood is currently £97.95 used. Deal scores are Cobra Darkspeed X Fairway Wood 71/100; against tracked history, Callaway BIG Bertha B21 Fairway Wood is 9% above its lowest tracked price and Cobra Darkspeed X Fairway Wood is 43% above its lowest tracked price. Callaway BIG Bertha B21 Fairway Wood is currently available from 1 UK retailer, versus 8 for Cobra Darkspeed X Fairway Wood.
Callaway
BIG Bertha B21 Fairway Wood
£119.99 used No change 18% below usual Buy £119.99 → at Nearly New Golf ClubsCobra
Darkspeed X Fairway Wood
£179 used from £97.95 No change 46% below usual Buy £179 → at American GolfCallaway
BIG Bertha B21 Fairway Wood
£119.99 used
at Nearly New Golf Clubs
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Callaway BIG Bertha B21 Fairway Wood is closest, within 9% of its lowest tracked price. The Cobra Darkspeed X Fairway Wood has more room: its tracked low is £94.99.
Callaway · BIG Bertha B21 Fairway Wood
Not enough data yet
Today £124.95 · typical £124.95 · lowest £114.95
On sale 2 times in the last 3 months
Cobra · Darkspeed X Fairway Wood
Good deal today
Today £135.95 · typical £149.95 · lowest £94.99
On sale 3 times in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £119.99 vs £135.95
- Closest to its tracked low BIG Bertha B21 9% above vs 43%
- Most retailers in stock Darkspeed X 8 vs 1
- Cheapest used Darkspeed X from £97.95 vs £119.99
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Fairway Wood | Cobra Darkspeed X Fairway Wood |
|---|---|---|
| Release year | 2024 | 2026 |
Where to buy
8 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 Fairway Wood
↓ £44.05
since 13 March 2026
Lowest £114.95 on 12 April 2026
Cobra · Darkspeed X Fairway Wood
↓ £53.05
since 13 February 2026
Lowest £94.99 on 9 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Fairway Wood
NEW £119.99
USED FROM £119.99
Cobra · Darkspeed X Fairway Wood
NEW £135.95
USED FROM £97.95
Used prices average 103% of new · 15 used listings tracked
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Fairway Wood | Cobra Darkspeed X Fairway Wood |
|---|---|---|
| Regular · 18° · Left-hand · Used | — | 3 retailers · from £118.95 at Replay Golf → |
| Stiff · 15° · Left-hand · Used | — | 3 retailers · from £127.95 at Replay Golf → |
| Regular · 15° · Left-hand | — | 3 retailers · from £135.95 at Replay Golf → |
| Regular · 15° · Used | 1 retailer · from £119.99 at Nearly New Golf Clubs → | 2 retailers · from £97.95 at Replay Golf → |
| Regular · 15° | — | 2 retailers · from £179 at American Golf → |
| Stiff · 15° | — | 2 retailers · from £179 at American Golf → |
| Stiff · 18° · Left-hand | — | 1 retailer · from £189 at Dormy Golf → |
| Stiff · 18° | — | 1 retailer · from £179 at American Golf → |
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Common questions about the Callaway BIG Bertha B21 Fairway Wood vs Cobra Darkspeed X Fairway Wood
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.