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Live · checked today · 2 UK retailers tracked

Callaway BIG Bertha B21 Hybrid vs Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

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Quick verdict

Checked daily across 2 UK retailers

Price and availability verdict

Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release was last tracked at £22.95 on 14 July 2026. Against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release is 9% above its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers; Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release is not currently stocked.

View BIG Bertha B21 Hybrid details → View Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release details →
Lowest price new → Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release Closest to its low → BIG Bertha B21 Most retailers → BIG Bertha B21

Callaway

BIG Bertha B21 Hybrid

£84.95 used

14% below usual
Buy £84.95 →

at Replay Golf

Progen

Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

£22.95 last tracked

around usual

Deal intelligence

Should you buy now, or wait?

The Callaway BIG Bertha B21 Hybrid is at its lowest tracked price today. The Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release has more room: its tracked low is £22.95.

Callaway · BIG Bertha B21 Hybrid

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Not enough data yet

Today £84.95 · typical £94.95 · lowest £84.95

On sale 2 times in the last 3 months

Used from £84.95

Progen · Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

—

Not enough data yet

Today £24.95 · typical £24.95 · lowest £22.95

Head to head

Category leaders, from the data on this page

  • Cheapest new Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release £22.95 vs £84.95
  • Closest to its tracked low BIG Bertha B21 0% above vs 9%
  • Most retailers in stock BIG Bertha B21 2 vs 0

Specification differences

Published product specifications

Specification Callaway BIG Bertha B21 Hybrid Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release
Release year 2021 2023

Price trajectory

How each has moved since we started tracking

Callaway BIG Bertha B21 Hybrid Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

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

Progen · Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

↑ £2

since 5 May 2026

Lowest £22.95 on 5 May 2026

New vs used

From used listings we track

Callaway · BIG Bertha B21 Hybrid

NEW £84.95

USED FROM £84.95

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Frequently Asked

Common questions about the Callaway BIG Bertha B21 Hybrid vs Progen Progress Steel Right Hand 4 Hybrid -1" 23* Regular - True Temper Release

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.