---
title: "Lynch Pin — $61K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/lynch-pin"
last_updated: "2026-08-06T16:44:03.170Z"
locale: en
meta:
description: "Niche score 57/100 · $61K/yr market · 74K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · $61K/yr market · 74K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Lynch Pin — $61K/yr Amazon US Niche (2026) - Flapen"
---
# **lynch pin**
**Worth a look**
Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 15Growth 66Conversion 67Competition 63Returns 95Price range 69Avg price 65Brand share 67Review moat 86Quality gap 15
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****276.9**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$4.20–$39.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****65%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+45.9%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$13.78**
avg listing price — sweet spot $15–$100
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****$61K**
$61K/yr · 74K searches
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, lynch pin is a $61K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in May. Verdict: Worth a look — 57/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lynch pin market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$55K–$69K**
- units × avg price
- **Conversion rate**
- **6.0%**
- **Avg BSR**
- **#593**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **90%**
- **Out of stock**
- **6.4%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**24**
**Top-5 brand share**
**65%**
Top 20: 99%
**Top-5 click share**
**47%**
Top 20: 91%
**Open market**
**31%**
- Comonc19% - PINAILER14% - mankk14% - Easily11% - Litoexpe7% - yuntop5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +45.9% search growth over the last 90 days.
2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/automotive/lynch-pin/trend)
## **Top lynch pin search terms**
- **lynch pin**40K/yr+37.8%5.0% conv. - **lynch pins**13K/yr+87.1%5.4% conv. - **linchpin**8K/yr+41.6%1.3% conv. - **linch pins**7K/yr+35.4%3.9% conv. - **linch pin**6K/yr+43.3%4.6% conv. [**All search terms **](https://flapen.com/research/us/automotive/lynch-pin/search-terms)
## **Top lynch 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.
0%4%$2K8%$5K12%$7K16%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Comonc 6 PCS 7/16 Lynch Pin Assortment Kit Linch Pin with Ring Heavy Duty Lynch Pin for Farm Tractors Trailers Mower 7/16 by 1-3/4-Inch**Comonc**$7.81**4.8★786 rev](https://www.amazon.com/dp/B087P358WK) [2**202PCS Hitch Pins Clip Pins Linch and PTO Pins for Trailers Tractors Trucks Towing Mowing Farm Equipment Snow Plows Lawnmowers Garage Heavy Duty Trailers Accessories Tractor Attachments**Easily**$36.45**4.7★454 rev](https://www.amazon.com/dp/B0CB84V5PF) [3**Pinailer 30 Pcs of Lynch Pin Assortment Kit for Trucks Tractors Trolleys Lawn Mowers & Trailers of 3/16x1-7/16 1/4x1-3/4 5/16x1-3/4 & 7/16x1-3/4**PINAILER**$16.91**4.7★322 rev](https://www.amazon.com/dp/B0B8T9Q29Z) [4**mankk 12PCS 4 Sizes Lynch Pin Assortment Kit Tractor Pins Linch Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers**mankk**$10.03**4.7★243 rev](https://www.amazon.com/dp/B0CGRD2P52) [5**mankk 50PCS Heavy Duty Lynch Pin Assortment Kit Tractor Pins Linch Pins Ring Clips PTO Pin for Farm Tractors Trailers Trucks Lawn Mowers**mankk**$20.76**4.7★243 rev](https://www.amazon.com/dp/B0CGRFQHLT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**3/8 x 1-3/4 Lynch Pin with 10 in Stainless Steel Cable Heavy Duty Linch Pin with Ring Quick Release Trailer Gate Pin for Utility Trailer Farm Gate Tractor & Equipment Zinc Plated 4 Pack**Generic**$10.91**1 rev2mo ago](https://www.amazon.com/dp/B0GY1RW4RN) [**30 PCS Lynch Pin Assortment Kit Heavy Duty Tractor Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers & Trolleys**PHATRIP**$20.37**16 rev6mo ago](https://www.amazon.com/dp/B0GD67Q1WQ) [**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel**NRJSSCC**$5.58**74 rev8mo ago](https://www.amazon.com/dp/B0G1HKT51S) [**Cotter Pin Assortment Kit - 300PCS Heavy Duty Lynch Pin Set Snap Pin Hitch Pin & R Clip Zinc-Plated Steel Linchpins for Tractor Trailer Truck Lawn Mower Farm Tools & Equipment**Zpiohio**$30.63**41 rev8mo ago](https://www.amazon.com/dp/B0G1YJDR1N) [**Lyxheth 4PCS Heavy Duty Lynch Pin Assortment Kit 3 Point Hitch Pins 3/16 Inch Round Pin Locks Trailer Gate Pin Trailer Coupler Pin Carbon Steel Linch Pins Lock Pin Clips for Trailers Trucks (4.5*36)**Lyxheth**$4.20**20 rev1y ago](https://www.amazon.com/dp/B0F1T9K5YJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**3/8 x 1-3/4 Lynch Pin with 10 in Stainless Steel Cable Heavy Duty Linch Pin with Ring Quick Release Trailer Gate Pin for Utility Trailer Farm Gate Tractor & Equipment Zinc Plated 4 Pack**Generic**$10.91**5.0★**▲ 187%**](https://www.amazon.com/dp/B0GY1RW4RN) [**30 PCS Lynch Pin Assortment Kit Heavy Duty Tractor Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers & Trolleys**PHATRIP**$20.37**4.9★**▲ 127%**](https://www.amazon.com/dp/B0GD67Q1WQ) [**10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel**NRJSSCC**$5.58**4.8★**▲ 106%**](https://www.amazon.com/dp/B0G1HKT51S) [**6 Pcs of Lynch Pin Assortment (7/16x1-3/4) for Trucks Tractors Trolleys Lawn Mowers & Trailers**PINAILER**$9.00**4.7★**▲ 105%**](https://www.amazon.com/dp/B0BCZDWR8F) [**Litoexpe 6 Pcs 1/4 Inch Lynch Pin with Ring Heavy Duty Round Linch Pins Assortment for Farm Tractors Trucks Trailers Mowers (1/4x1-3/4)**Litoexpe**$5.65**4.9★**▲ 90%**](https://www.amazon.com/dp/B0DMF968DL)
**~~View all trending →~~**
## **What buyers say about lynch pin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“The build quality feels solid”*
**Value For Money**19%
*“Great deal”*
**Size-Overall**12%
*“Perfect fit”*
**Advertised Vs Actual Product**10%
*“Exactly as advertised”*
**Strength**7%
*“Case is solid”*
**Ease Of Use**7%
*“easy to use”*
**Durability**5%
*“Very durable”*
**Efficiency**3%
*“Works great”*
**Material Quality**2%
*“They are solid material”*
**Maintenance And Repair**2%
*“Great to have on hand for quick repairs or replacements”*
### **What buyers complain about **
**Size-Overall**19%
*“Most pins are too long”*
**Strength**15%
*“flimsy pins that sometimes come with retail equipment”*
**Design-Overall**8%
*“Made incorrectly”*
**Value For Money**8%
*“yeah, probably more expensive than buying a bunch of these”*
**Leak-Proof**5%
*“spill out causing a disaster”*
**Durability**4%
*“These pins don't last forever -”*
**Assembly/Installation**4%
*“Broke 15 minutes after installing”*
**Stiffness**3%
*“The spring gate is rather stiff”*
### **Top return reasons **
**Size-Overall**81%
**Advertised Vs Actual Product**6%
**Defective Material/Parts**3%
**Compatibility-Overall**2%
**Value For Money**2%
**Functionality-Overall**2%
**Quality-Overall**1%
**Thin**1%
**Design-Overall**1%
**Maintenance And Repair**1%
## **Common questions**
- **Is lynch pin profitable to sell on Amazon United States?**
- The niche generates $61K/yr across 29 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +45.9%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the lynch pin niche?**
- 21 brands and 24 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.
- **What do buyers complain about in lynch pin?**
- Top complaints mined from reviews: Size-Overall, Strength, Design-Overall. The return rate is 1.0%.
- **When does demand for lynch pin peak?**
- Demand peaks in May; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the lynch pin niche?**
- Listings span $4.20–$39.35; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 277 reviews — the moat a new listing must climb.
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