Compare / driver
Live · checked today · 4 UK retailers tracked
Callaway BIG Bertha Fusion Driver vs US Kids UL7-45 Driver
Quick verdict
Checked daily across 4 UK retailers
Price and availability verdict
Callaway BIG Bertha Fusion Driver is currently £109.99 used, while US Kids UL7-45 Driver is currently £39.95. Against tracked history, Callaway BIG Bertha Fusion Driver is 8% above its lowest tracked price and US Kids UL7-45 Driver is 43% above its lowest tracked price. Callaway BIG Bertha Fusion Driver is currently available from 3 UK retailers, versus 1 for US Kids UL7-45 Driver.
Callaway
BIG Bertha Fusion Driver
£109.99 used ↑ £10.04 at its low Buy £109.99 → at The Second Hand Golf ShopCallaway
BIG Bertha Fusion Driver
£109.99 used
↑ £10.04 7 days
at its lowat The Second Hand Golf Shop
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Callaway BIG Bertha Fusion Driver is closest, within 8% of its lowest tracked price. The US Kids UL7-45 Driver has more room: its tracked low is £28.
Callaway · BIG Bertha Fusion Driver
Not enough data yet
Today £129.99 · typical £141.29 · lowest £119.95
On sale 1 time in the last 4 months
US Kids · UL7-45 Driver
Not enough data yet
Today £39.95 · typical £39.95 · lowest £28
Head to head
Category leaders, from the data on this page
- Cheapest new UL7-45 £39.95 vs £109.99
- Closest to its tracked low BIG Bertha Fusion 8% above vs 43%
- Most retailers in stock BIG Bertha Fusion 3 vs 1
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 Fusion Driver
↓ £27
since 9 April 2026
Lowest £119.95 on 7 August 2026
US Kids · UL7-45 Driver
↓ £135.05
since 16 June 2026
Lowest £28 on 10 July 2026
New vs used
From used listings we track
Callaway · BIG Bertha Fusion Driver
NEW £109.99
USED FROM £109.99
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha Fusion Driver | US Kids UL7-45 Driver |
|---|---|---|
| Regular · 10.5° · Used | 2 retailers · from £109.99 at The Second Hand Golf Shop → | — |
| Stiff · 10.5° · Left-hand · Used | 1 retailer · from £129.99 at Golf Clubs 4 Cash → | — |
| 21° · Left-hand | — | 1 retailer · from £39.95 at Snainton Golf → |
| 21° | — | 1 retailer · from £39.95 at Snainton Golf → |
Waiting for a better price?
Set a free alert and we’ll email you when either drops to your target.
Related driver comparisons
More head-to-head price checks
Common questions about the Callaway BIG Bertha Fusion Driver vs US Kids UL7-45 Driver
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.