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Live · checked today · 2 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Cobra Aerojet 3 Hybrid
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while Cobra Aerojet 3 Hybrid is currently £99.99 used. Against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and Cobra Aerojet 3 Hybrid is at its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 1 for Cobra Aerojet 3 Hybrid.
Callaway
Callaway BIG Bertha B21 Hybrid
from £84.95
at Replay Golf · 2 retailers
Lowest £50 · good time to buy
Discount vs RRP
Price vs usual
Where to buy
Callaway BIG Bertha B21 Hybrid
Where to buy
Cobra Aerojet 3 Hybrid
Deal intelligence
Should you buy now, or wait?
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £84.95 · typical £97.45 · lowest £84.95
On sale 1 time in the last 3 months
Cobra · Aerojet 3 Hybrid
Not enough data yet
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £84.95 vs £99.99
- Most retailers in stock BIG Bertha B21 2 vs 1
- Cheapest used BIG Bertha B21 from £84.95 vs £99.99
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
↓ £35
since 13 April 2026
Lowest £84.95 on 18 August 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £84.95
USED FROM £84.95
Cobra · Aerojet 3 Hybrid
NEW £99.99
USED FROM £99.99
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Cobra Aerojet 3 Hybrid |
|---|---|---|
| Regular · 19° · Left-hand · Used | 1 retailer · from £84.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Regular · 19° · Used | — | 1 retailer · from £99.99 at Nearly New Golf Clubs → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Cobra Aerojet 3 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.