Steelcase Era Cobalt Series 2 Replacement Air Hard Casters | Ergonomic Work Chair with Wheels for Carpet, with Back Support, Weight-Activated Adjustment & Arm Support, Chair for Desk
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Good price
$486.75 is 18% below the $598.97 it normally sells for, and the lowest we've seen in 35 days.
- Now
- $486.75
- Normally
- $598.97
- Lowest in 35 days
- $486.75(Nov 12)
- Highest
- $723.84
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Holds upThe listing shows
crossed out: Typical $598.97 −19%
Against its normal price
−18% vs $598.97
Typical $598.97 (−19%) holds up: today's price is 18% below normal.
The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →
Price history
Tracked since Oct 8 · 35 days · 4 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 18% below its normal price of $598.97. Steelcase Era Cobalt Series 2 Replacement Air Hard Casters price history, checked Nov 12, 2026: current price $486.75, normal (typical) price $598.97, average $639.98 over 35 days, lowest $486.75 (Nov 12, 2026), highest $723.84 (Oct 27, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $598.97
- 5% or more below normal
How often does it drop below normal?
In the 35 days we've tracked it, this is the first time it has stayed 5% or more below today's normal price for an hour or more. It has been below normal for less than a day so far.
A count of what happened, not a prediction.
Other ways to buy
New from
$486.75
Pattern.Fulfilled by Amazon · Seller rating 99% of 529,427
All 2 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Pattern. | New | $486.75 | Yes | 99% of 529,427 |
| BACKSTORE | New | $723.84 | No | 50% of 9,537 |
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B09RDD8MT2 \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B09RDD8MT2", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B09RDD8MT2",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B09RDD8MT2",
"title": "Steelcase Era Cobalt Series 2 Replacement Air Hard Casters | Ergonomic Work Chair with Wheels for Carpet, with Back Support, Weight-Activated Adjustment & Arm Support, Chair for Desk",
"image": "https://m.media-amazon.com/images/I/71pEJxfUwhL._AC_SL500_.jpg",
"currency": "USD",
"category": "Kitchen",
"category_label": "Kitchen",
"in_stock": true,
"price": {
"current_cents": 48675,
"reference_cents": 59897,
"discount_pct": 18.74,
"is_deal": true,
"observed_at": 1794506829604,
"changed_at": 1794470433352,
"checked_at": 1794506829604,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 18.74,
"evidence": "moderate",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $486.75 is 18% below the $598.97 it normally sells for, and the lowest we've seen in 35 days."
},
"listing_claim": {
"label": "Typical:",
"listing_reference_cents": 59897,
"claimed_pct": 19,
"real_pct": 18.74,
"class": "holds_up",
"observed_at": 1794470671515
},
"stats": {
"min_cents": 48675,
"max_cents": 72384,
"avg_cents": 63998,
"history_days": 35,
"price_levels": 5,
"price_changes": 4,
"distinct_prices": 4,
"lowest_at": 1794470433352
},
"history": [
{
"price_cents": 59897,
"from": 1791477241138,
"to": 1792612318286
},
{
"price_cents": 64900,
"from": 1792622789936,
"to": 1792738428112
},
{
"price_cents": 72384,
"from": 1793122087362,
"to": 1793638628363
},
{
"price_cents": 64900,
"from": 1793646795136,
"to": 1794468304710
},
{
"price_cents": 48675,
"from": 1794470433352,
"to": 1794506829604
}
],
"last_seen": 1794506829604
}Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.