canonical product

Callaway Big Bertha B21

Hybrid

149
live listings · 4 retailers: $52–$165
asking range: $100
fair, all conditions · 85 comps: ~$110 · 11d
clears at · 34 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

The value curve is flat — waiting buys you almost nothing.

≈ $0/mo depreciation (model)waiting 3 months ≈ $0 cheaper (model)clears ≈ $110 (measured · delisted ≠ sold)

copies that clear organically do so quickly (measured) — good examples don't linger.

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

Buy window: the cheapest live copy sits $48 under the all-condition fair bar. — fair $100 · 85 comps

What it has been selling for

monthly medians since 2026-01

monthly median ask · open points are sparse months (<8 observation days) drawn as facts, never interpolated — the line knits itself in as nightly snapshots accumulate

Value over time

value model, curve fit on this product · 938 obs

$76–$132
typically sells for: ≈ holding value
value trend: 90%
held over 3 yrs

median model value by product age, 80% band — about 1 in 5 sales lands outside it · rebuilt nightly

Fair price by condition

Average54 comps: $120
Below Average27 comps: $84

own one? check what it's worth →

Same band, for less

measured comps

The same club type, priced materially lower at fair — each fair on 5+ comps, each buyable today. Ranked by what you save, weighted by how well-measured the saving is. Nothing here is paid placement; there is none on this site.

Callaway Steelhead XR 2017

fair $45 · 102 comps126 live from $27

$55 less at fair

Callaway Rogue 2018

fair $56 · 224 comps235 live from $39

$44 less at fair

TaylorMade Kalea 2017

fair $49 · 53 comps53 live from $27

$51 less at fair

Callaway Epic 2017

fair $56 · 63 comps69 live from $41

$44 less at fair

Callaway Rogue X 2018

fair $63 · 99 comps125 live from $43

$37 less at fair

Live listings

cheapest first · 149 live

Callaway Big Bertha B21 Hybrid 3 Hybrid 19° UST Mamiya Recoil 75 Dart Graphite Regular Left Handed 40.5in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° UST Mamiya Recoil 75 Dart Graphite Regular Left Handed 40.0in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Senior Right Handed 39.75in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 3 Hybrid 19° Callaway RCH Hybrid 65 Graphite Stiff Left Handed 41.5in

Below AverageStiffLH2nd Swing

Callaway Big Bertha B21 Hybrid 3 Hybrid 19° Callaway RCH Hybrid 65 Graphite Regular Right Handed 40.5in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 Hybrid 3 Hybrid 19° Callaway RCH Hybrid 65 Graphite Regular Left Handed 41.0in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 5 Hybrid 24° Callaway RCH Hybrid 65 Graphite Regular Right Handed 39.5in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Regular Right Handed 40.0in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 21° 4 Hybrid Regular Flex Kbs 1222552 Fair Left Hand Lh

Above AverageRegularLHMike's Golf Outlet

Callaway Big Bertha B21 21° 4 Hybrid Regular Rch 65 1189861 Fair Left Hand Lh

Above AverageRegularLHMike's Golf Outlet

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Regular Right Handed 40.25in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Regular Left Handed 40.0in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 24° Project X Catalyst 55 Graphite Senior Right Handed 39.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 3 Hybrid 19° FST KBS Hybrid 70 Graphite Regular Left Handed 40.75in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 24° FST KBS Hybrid 70 Graphite Regular Left Handed 39.75in

Below AverageRegularLH2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid

AverageRegularLHGolf Avenue

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrids

AverageRegularCallaway Pre-Owned

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Accra FX 2.0 300H Graphite X-Stiff Right Handed 40.0in

AverageExtra Stiff2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH 65w Graphite Stiff Right Handed 40.0in

Below AverageStiff2nd Swing

Callaway Big Bertha B21 Hybrid 5 Hybrid 24° Callaway RCH Hybrid 65 Graphite Senior Right Handed 39.5in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Fujikura Speeder Evolution for Callaway Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 5 Hybrid 24° Callaway RCH Hybrid 65 Graphite Senior Right Handed 40.0in

Below AverageSenior2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Fujikura Pro 2.0 7 Graphite Stiff Right Handed 40.0in

Below AverageStiff2nd Swing

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Regular Right Handed 40.0in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 Hybrid

AverageRegularLHGolf Avenue

Callaway Big Bertha B21 Hybrid 4 Hybrid 21° Callaway RCH Hybrid 65 Graphite Regular Right Handed 40.0in

Below AverageRegular2nd Swing

Callaway Big Bertha B21 used price: ~$100 fair value — canoe.golf