Is weight stack pin profitable to sell on Amazon United States?

The niche generates $137K/yr across 36 tracked products. 1 of 12 products launched in the last 360 days are still selling. 90-day search growth is -17.2%. Flapen's verdict: Worth a look (55/100).

How competitive is the weight stack pin niche?

27 brands and 32 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in weight stack pin?

Top complaints mined from reviews: Size-Overall, Durability, Exercise/Sports Suitability. The return rate is 4.3%.

When does demand for weight stack pin peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the weight stack pin niche?

Listings span $5.27–$71.27; the average listing price is $26.20 (sweet spot $15–$100). The average incumbent carries 157 reviews — the moat a new listing must climb.

weight stack pin

Worth a look

Shows a sweet-spot price point ($26.20 avg), but soft demand (-17.2% this quarter) keeps it on the watch list.

Avg price

Incredible$26.20

avg listing price — sweet spot $15–$100

Review moat

Great156.92

avg incumbent reviews — the moat a new listing must climb

Brand share

Great48%

top-5 brand share — no brand owns this niche

Price range

Great$5.27–$71.27

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Conversion

Good5.5%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay4.3%

return rate — above 6% kills the launch gate

Market size

Okay$137K

$137K/yr · 94K searches

Growth

Bad-17.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, weight stack pin is a $137K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 48% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

weight stack pin market data

Units sold / yr: 5K–6K; avg 100–250/product
Revenue / yr: $131K–$157K; units × avg price
Launch success: 8%; 1 of 12 new (360d)
Conversion rate: 5.5%
Avg BSR: #513
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 6.5%
Avg brand age: 29 months
Avg seller age: 209 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 rising

Sellers

Top-5 brand share

48%

Top 20: 95%

Top-5 click share

45%

Top 20: 88%

Open market

46%

Draupnir11%
CXPZLLBNHH11%
MICRO GAINZ GAIN MUSCLE 1LB AT A TIME9%
NQEUEPN9%
Zany Zest7%
Vorynne6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top weight stack pin search terms

weight stack pin39K/yr -21.5%4.9% conv.
gym pins for weight stack20K/yr -15.5%3.8% conv.
weight pin13K/yr -9.7%4.0% conv.
weight pins for weight stack machine8K/yr -33.7%7.0% conv.
gym pins6K/yr -15.9%2.4% conv.
weight stack pin replacement3K/yr +52.8%4.8% conv.
weight machine pin4K/yr -9.6%8.4% conv.
weight selector pin2K/yr -17.9%3.3% conv.

All search terms

Top weight stack pin products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 36 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

3pcs Weight Stack Pin Gym Pins for Weight Stack Weight Lifting Pins for Universal Home Commercial Gym Strength Training Equipment Machine Pin Insert Accessories3/8 Diameter / 6 Locking Space

Draupnir$10.334.6★137 rev

CXPZLLBNHH Weight Stack Pin Gym Pin with Spring Clip Collar Weight Pins for Weight Stack Machine Weight Stack Extender Pin Strength Training Equipment for Commercial Gym and Home Gym

CXPZLLBNHH$23.994.2★187 rev

Micro Gainz GymPin Weight Stack Extender Pin for Cable Machine & Home Gym Designed for Weight Lifting & Strength Training Allowing Additional Olympic Weight Plates Made in The USA (Size 3/8)

MICRO GAINZ GAIN MUSCLE 1LB AT A TIME$71.274.4★131 rev

Zany Zest Reinforced Weight Stack Pin Dia:10mm Length:110mm

Zany Zest$24.234.4★90 rev

NQEUEPN Crescent-Shaped Weight Stack Pin Pin Tensile 3/8 Inch Diameter 4.4 Inch Locking Space Heavy-Duty Gym Pin Weight Plate Pin for Home Gym Exercise Machine Accessories Black Silver

NQEUEPN$5.874.6★63 rev

Newest

by launch date

YSVORTOT$38.7017 rev

4mo ago

BLMHTWO 2PCS Weight Pins for Weight Stack Machine Weight Stack Pin Replacement Gym Pins for Weight Stack (3/8 Diameter; 4.4 Locking Space)

BLMHTWO$6.553 rev

4mo ago

Bpbdzz Heavy-Duty Black Weight Stack Pin Extender - 3/8 (10mm) for Home Gym & Commercial Cable Machines High-Strength Steel with Spring Clip Collar 133LBS Max Load Fits 2 Olympic Weight Plates

Bpbdzz$20.679 rev

4mo ago

Ankcora Gym Pin Kit 10mm & 8mm Universal Fit Weight Stack Pin Gympin Weight Pin Gym Pins for Weight Stack Weight Stack Extender Pin Weight Pins for Weight Stack Machine

Ankcora$54.964 rev

5mo ago

NQEUEPN 2pcs Weight Stack Pin 3/8in Diameter 6in/15.3cm & 4.4in/11.2cm Weight Loading Pin L Shaped Stack Extender Selector Inserts Gym Fitness Equipment for Home Gym

NQEUEPN$8.973 rev

5mo ago

What buyers say about weight stack pin

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“The build quality seems strong”

Advertised Vs Actual Product11%

“Works as Advertised”

Durability10%

“Will probably never have to worry about it breaking”

Ease Of Use10%

“Easy to use”

Size-Overall8%

“Fits perfectly”

Value For Money6%

“Great value for the money”

Efficiency6%

“useful than I thought they would be”

Material Quality4%

“Good strong solid material”

Exercise/Sports Suitability3%

“Great for my gym”

Grip3%

“the grip is comfortable”

What buyers complain about

Size-Overall21%

“it can be too short”

Durability7%

“One of the broke with in a month”

Exercise/Sports Suitability4%

“Falls out when doing some exercises”

Quality-Overall4%

“quality isn't good, plastic”

Value For Money4%

“seems overpriced”

Thickness3%

“Too thick”

Weight Heavy3%

“Weighted component is very heavy”

Handle Quality3%

“Plastic handle comes off easily”

Functionality-Overall3%

“Didn't work for me”

Flexibility2%

“It bent”

Top return reasons

Size-Overall65%

Compatibility-Overall10%

Advertised Vs Actual Product6%

Functionality-Overall4%

Length2%

Defective Material/Parts2%

Thickness2%

Value For Money1%

Weight Heavy1%

Add-Ons/Attachments1%

Common questions

Is weight stack pin profitable to sell on Amazon United States?: The niche generates $137K/yr across 36 tracked products. 1 of 12 products launched in the last 360 days are still selling. 90-day search growth is -17.2%. Flapen's verdict: Worth a look (55/100).
How competitive is the weight stack pin niche?: 27 brands and 32 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in weight stack pin?: Top complaints mined from reviews: Size-Overall, Durability, Exercise/Sports Suitability. The return rate is 4.3%.
When does demand for weight stack pin peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the weight stack pin niche?: Listings span $5.27–$71.27; the average listing price is $26.20 (sweet spot $15–$100). The average incumbent carries 157 reviews — the moat a new listing must climb.

weight stack pin

weight stack pin market data

Competition & brand share

Demand & seasonality

Top weight stack pin search terms

Top weight stack pin products on Amazon

Top sellers

Newest

Trending

What buyers say about weight stack pin

What buyers love

What buyers complain about

Top return reasons

Common questions

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