gym pin
Worth a lookShows a thin review moat (63 avg reviews), but soft demand (-7.2% this quarter) keeps it on the watch list.
Review moat
Incredible62.6avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$45.76avg listing price — sweet spot $15–$100
Price range
Incredible$18.98–$71.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good72%top-5 brand share — brands hold most of the demand
Market size
Okay$246K$246K/yr · 173K searches
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Returns
Okay5.5%return rate — above 6% kills the launch gate
Growth
Bad-7.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, gym pin is a $246K/yr Amazon United States market (173K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Dec. Verdict: Worth a look — 51/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
gym pin market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $183K–$229K
- units × avg price
- Launch success
- 18%
- 2 of 11 new (360d)
- Conversion rate
- 3.1%
- Avg BSR
- #627
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 13.7%
- Avg brand age
- 34 months
- Avg seller age
- 219 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
16
Top-5 brand share
72%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
20%
- MICRO GAINZ GAIN MUSCLE 1LB AT A TIME21%
- CXPZLLBNHH14%
- Vorynne13%
- YSVORTOT12%
- Navaris12%
- GymPin8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.8×
Top gym pin search terms
- gym pin129K/yr
- gympin25K/yr
- weight stack extender pin10K/yr
- weight stack pin extender6K/yr
- gym pin extender4K/yr
Top gym 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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

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

Navaris Gym Pin Extender - 10 mm - Weight Stack Extender for Cable Machine - Durable & Long Steel Lifting Pin - Fitness Equipment for Gym or Home Training
Navaris$18.983.7★160 rev

Vorynne Weight Stack Pin Extender for Gym Cable Machine & Home Gym 10 mm Allowing Additional Olympic Weight Plates Made of Durable Steel for Secure and Long-Lasting Use
Vorynne$60.624.2★64 rev

YSVORTOT Weight Stack Pin Extender for Cable Machine & Home Gym | 8mm Diameter | Heavy-Duty Steel Construction | 0.39in * 3.1in | Magnetic Safety Design | Adds Up to 80 lbs Extra Weight
YSVORTOT$38.704.3★17 rev
Newest
by launch date
YSVORTOT Weight Stack Pin Extender for Cable Machine & Home Gym | 8mm Diameter | Heavy-Duty Steel Construction | 0.39in * 3.1in | Magnetic Safety Design | Adds Up to 80 lbs Extra Weight
YSVORTOT$38.7017 rev

2 GymPin - Original GymPin 10mm Cable Stack Extender
GymPin$68.630 rev

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

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

10mm Original 2 GymPin Raw
GymPin$70.604 rev
Trending
90-day click momentum
Fit4Fun 10MM Weight Stack Pin Gym Pin with Spring Clip Collar Weight Stack Extender Pin for Strength Training Equipment Weight Pin for Commercial Gym and Home Gym
Fit4Fun$26.414.3★

YSVORTOT Weight Stack Pin Extender for Cable Machine & Home Gym | 8mm Diameter | Heavy-Duty Steel Construction | 0.39in * 3.1in | Magnetic Safety Design | Adds Up to 80 lbs Extra Weight
YSVORTOT$38.704.3★

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$54.963.8★

2 GymPin - Original GymPin 10mm Cable Stack Extender
GymPin$68.630.0★

10mm Original 2 GymPin Raw
GymPin$70.604.7★
What buyers say about gym pin
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality seems strong”
“Will probably never have to worry about it breaking”
“The value for for the money is good”
“Easy to use”
“Just what I needed”
“The pin fits correctly”
“useful than I thought they would be”
“Good strong solid material”
“Great for my gym”
“the grip is comfortable”
What buyers complain about
“Pin is a little short”
“constantly falls out”
“the value would be even better at a slightly lower price point”
“Didn't work for me”
“Falls out when doing some exercises”
“I should have ordered the longer/thicker pin”
“Weighted component is very heavy”
“It bent”
“It bent”
“Cheap”
Top return reasons
Common questions
- Is gym pin profitable to sell on Amazon United States?
- The niche generates $246K/yr across 20 tracked products. 2 of 11 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (51/100).
- How competitive is the gym pin niche?
- 13 brands and 16 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 72% of demand.
- What do buyers complain about in gym pin?
- Top complaints mined from reviews: Size-Overall, Durability, Value For Money. The return rate is 5.5%.
- When does demand for gym pin peak?
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the gym pin niche?
- Listings span $18.98–$71.27; the average listing price is $45.76 (sweet spot $15–$100). The average incumbent carries 63 reviews — the moat a new listing must climb.