---
title: "Chain Lock — $56K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/chain-lock"
last_updated: "2026-08-11T17:03:24.965Z"
locale: en
meta:
description: "Niche score 55/100 · $56K/yr market · 53K searches/yr · $14.00 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $56K/yr market · 53K searches/yr · $14.00 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Chain Lock — $56K/yr Amazon US Niche (2026) - Flapen"
---
# **chain lock**
**Worth a look**
Shows no brand lock-in (top 5 brands take 54% of clicks), but a small market ($56K/yr) keeps it on the watch list.
Market size 14Growth 55Conversion 77Competition 71Returns 52Price range 75Avg price 67Brand share 81Review moat 25Quality gap 47
**Brand share**
**Great****54%**
top-5 brand share — no brand owns this niche
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$8.04–$36.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****42%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Good****$14.00**
avg listing price — sweet spot $15–$100
**Growth**
**Good****+28.7%**
90-day search growth — must beat 0% to launch
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,358.03**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$56K**
$56K/yr · 53K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, chain lock is a $56K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 55/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **chain lock market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$42K–$56K**
- units × avg price
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#70**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**28 **▼falling
**Sellers**
**85**
**Top-5 brand share**
**54%**
Top 20: 91%
**Top-5 click share**
**42%**
Top 20: 82%
**Open market**
**42%**
- Bupto18% - Master Lock18% - Weogine7% - Titanker5% - QBXMY75% - DocksLocks5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +28.7% search growth over the last 90 days.
6K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/chain-lock/trend)
## **Top chain lock search terms**
- **chain and lock**25K/yr+29.3%5.7% conv. - **lock with chain**7K/yr+24.4%4.8% conv. - **electric scooter lock with key**6K/yr+36.3%2.7% conv. - **cadena con candado**5K/yr+4.5%2.6% conv. - **lock and chain for outdoor use**4K/yr+16.5%5.3% conv. - **bike lock cable 6 feet**3K/yr+57.9%6.6% conv. - **cable bike lock with key**4K/yr+62.6%5.6% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/chain-lock/search-terms)
## **Top chain lock 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%5%$3K10%$6K15%$8K20%$11K101001K10K100K 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**Heavy Duty Weather-Resistant Padlock with Chain Anti-Theft Advanced Hardened Security Chain Lock for Fences Backyard Gates Motorcycles Bicycles Outdoor Furniture (Lock+Chain)**Bupto**$15.78**4.4★297 rev](https://www.amazon.com/dp/B0CLZKWND2) [2**Bike Chain Lock Heavy Duty Anti-Theft Bicycle Chain Lock 2.72 Ft Security Bike Locks with 3 Keys Waterproof Lock Chain for Bike Bicycle Scooter Motorcycle Door Gate Fence**Weogine**$9.94**4.6★2,824 rev](https://www.amazon.com/dp/B0CG5R5T21) [3**Master Lock Bike Lock Cable with Combination Black 8143D**Master Lock**$8.90**4.4★40,996 rev](https://www.amazon.com/dp/B000BVXDZM) [4**Master Lock 719D Steel Cable with Integrated Outdoor Padlock with Key 1 Pack**Master Lock**$13.37**4.5★2,219 rev](https://www.amazon.com/dp/B00004Y8DF) [5**1 Set 40 inch Bicycle Stainless Steel Chain Lock Heavy Duty Anti-Cut Lock**QBXMY7**$12.49**4.4★188 rev](https://www.amazon.com/dp/B0D56L3B3J)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Weather-Resistant Chain Lock - Heavy Duty Upgraded Padlock with gate Chain Anti-Theft Security Lock with a Lock Cap for Bikes gate Fences Backyard Doors Motorcycles (Chain+Lock)**Nimite**$12.31**65 rev8mo ago](https://www.amazon.com/dp/B0G1YGNHNC) [**40 Inch Heavy-Duty Stainless Steel Safety Chain Lock 5mm x 1 Meter Chain and Lock Sprocket Locks with Key Bike Locks High Security Suitable for Motorcycles Bicycles Gates and Warehouses**HexinYigjly**$10.73**31 rev10mo ago](https://www.amazon.com/dp/B0FLQ774D3) [**Topcrown Bike Chain Lock 3.2Ft Long High Security Heavy Duty Anti Theft 5 Digit Combination Resettable Keyless Bicycle Lock for Bike/Electric Scooter/Ebike/Motorcycle(Black)**Topcrown**$9.96**533 rev11mo ago](https://www.amazon.com/dp/B0FNWF7624) [**1 Set 40 inch Bicycle Stainless Steel Chain Lock Heavy Duty Anti-Cut Lock**QBXMY7**$12.49**188 rev1y ago](https://www.amazon.com/dp/B0D56L3B3J) [**DocksLocks Coiled Security Cable Lock (5 to 25 Lengths) with Keys 5ft**DocksLocks**$19.89**229 rev2y ago](https://www.amazon.com/dp/B0D2BZBCX6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Topcrown Bike Chain Lock 3.2Ft Long High Security Heavy Duty Anti Theft 5 Digit Combination Resettable Keyless Bicycle Lock for Bike/Electric Scooter/Ebike/Motorcycle(Black)**Topcrown**$9.96**4.4★**▲ 155%**](https://www.amazon.com/dp/B0FNWF7624) [**DocksLocks Coiled Security Cable Lock (5 to 25 Lengths) with Keys 5ft**DocksLocks**$19.89**4.7★**▲ 145%**](https://www.amazon.com/dp/B0D2BZBCX6) [**Outdoor Fence Gate Lock Locker - Bike Cable Chain Combination Locks**Histure**$15.73**4.3★**▲ 107%**](https://www.amazon.com/dp/B0CH9Q8B9F) [**DIBOLA Padlock Necklace Stainless Steel Lock Chain for Men Women Silver 18 inch**DIBOLA**$12.78**4.4★**▲ 76%**](https://www.amazon.com/dp/B07WFQ4YHZ) [**SEPOX Versatile Twins 4-Digit Combination Padlock Black 32cm Cable**SEPOX**$9.31**4.0★**▲ 33%**](https://www.amazon.com/dp/B0CPYCJ77L)
**~~View all trending →~~**
## **What buyers say about chain lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Locking Mechanism**16%
*“The locking mechanism moves smoothly”*
**Quality-Overall**14%
*“Premium quality”*
**Value For Money**11%
*“Great value”*
**Ease Of Use**10%
*“Really easy to travel with it”*
**Strength**9%
*“Well built”*
**Advertised Vs Actual Product**7%
*“As Advertised”*
**Durability**5%
*“It still works and its been so easy to use and wonderful”*
**Security**3%
*“Just perfect to secure anything”*
**Weight Heavy**3%
*“This is really heavy duty”*
**Size-Overall**3%
*“Good fit”*
### **What buyers complain about **
**Durability**19%
*“Breaks easily”*
**Locking Mechanism**14%
*“NOT Secure”*
**Quality-Overall**10%
*“It is extremely low quality”*
**Weight Heavy**5%
*“Little heavy to carry”*
**Functionality-Overall**5%
*“Doesn't Work”*
**Jamming/Clogging**4%
*“Jammed”*
**Value For Money**4%
*“Don't buy cheap”*
**Strength**4%
*“Not strong enough”*
**Size-Overall**4%
*“too short”*
**Rusts/Corrodes**3%
*“Rusted within a few weeks”*
### **Top return reasons **
**Size-Overall**35%
**Locking Mechanism**10%
**Weight Heavy**10%
**Functionality-Overall**8%
**Advertised Vs Actual Product**6%
**Mechanism Issues**6%
**Value For Money**5%
**Thin**4%
**Defective Material/Parts**2%
**Thickness**2%
## **Common questions**
- **Is chain lock profitable to sell on Amazon United States?**
- The niche generates $56K/yr across 36 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the chain lock niche?**
- 28 brands and 85 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 54% of demand.
- **What do buyers complain about in chain lock?**
- Top complaints mined from reviews: Durability, Locking Mechanism, Quality-Overall. The return rate is 2.9%.
- **When does demand for chain lock peak?**
- Demand peaks in Aug–Sep–Oct; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the chain lock niche?**
- Listings span $8.04–$36.42; the average listing price is $14.00 (sweet spot $15–$100). The average incumbent carries 4,358 reviews — the moat a new listing must climb.
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