In short: Used 2021 Cobra King Radspeed irons are worth about $145, our target price, checked Oct 23, 2026. $123 or less is a great buy and anything up to $145 is a good buy; over $157 it’s overpriced. New, a set goes for about $158, so buying used saves about 8%. The set costs less than 100% of the 204 used iron sets we’ve priced; the typical one is about $590.
What to pay for used 2021 Cobra King Radspeed irons
$123 or less
15% or more under the target.
$124–$145
At or under the target.
Over $157
$146–$157 is a fair price; offer near $145.
Count the shipping. Hold the landed price, the club plus shipping, up against these numbers.
Selling one? List it at or just under the target, $145, and it should move fast. How to price and list a used club
Buying guide: The best used irons to buy in 2026
Other Cobra iron sets, priced
| Club | Year | Used target | vs this one |
|---|---|---|---|
| Cobra Air X iron set | 2023 | $379 | +$234 |
| Cobra T-Rail iron set | 2023 | $432 | +$287 |
| Cobra Air-X iron set | 2022 | $350 | +$205 |
| Cobra King Forged Tec iron set | 2022 | $663 | +$518 |
| Cobra King Forged TEC One Length iron set | 2022 | $600 | +$455 |
| Cobra KING Tour iron set | 2022 | $385 | +$240 |
| Cobra King Speedzone iron set | 2020 | $413 | +$268 |
| Cobra KING Tour MIM iron set | 2020 | $436 | +$291 |
More to check
- KING Forged Tec OL iron set2022
- King F7 iron set2017
- 3DP X iron set
- Air X iron set
- DS-ADAPT iron set
- LTDx iron set
- RAD Speed One Length iron set
- T-Rail iron set
Other brands at about the same price
Used iron sets from other brands with targets within 20% of this one, from model years 2019–2023.
| Club | Year | Used target | vs this one |
|---|---|---|---|
| Cleveland TA7 iron set | — | $160 | +$15 |
| Ben Hogan Apex Plus iron set | — | $152 | +$7 |
Specs to match
- Model year
- 2021
- Type
- Iron set
Count the clubs (4–PW, 5–PW, with or without a gap wedge), check the shaft (steel or graphite, and the flex) and confirm the model year. Look at the grooves on the short irons; they wear first.
Questions
How much are used 2021 King Radspeed irons worth?
Used 2021 Cobra King Radspeed irons are worth about $145: that’s our algorithm’s target price, checked Oct 23, 2026. Under that is a good buy; over it, make an offer near the target or keep looking.
What’s a good price for used 2021 Cobra King Radspeed irons?
Anything at or under $145 is a good buy, and $123 or less is a great one. Over $157 is overpriced. Those lines come from our algorithm’s target price, checked Oct 23, 2026; hold them up against the price plus shipping.
What should I list my used 2021 King Radspeed irons for?
At or just under the target, $145. That’s roughly what buyers pay for one, so it should sell quickly; list it well above and expect offers near the target.
How much cheaper are used 2021 Cobra King Radspeed irons than new?
The used target is about 8% under the going price for a new one.
Where can I buy used 2021 Cobra King Radspeed irons?
When we last checked there were 3 live options near the target, from $80 with shipping included. ClubChecks lists every one, cheapest first, and tags each as under or over the target.
What should I check before buying a used iron set?
Count the clubs (4–PW, 5–PW, with or without a gap wedge), check the shaft (steel or graphite, and the flex) and confirm the model year. Look at the grooves on the short irons; they wear first.