---
title: "Cylinder Lock — $83K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/cylinder-lock"
last_updated: "2026-08-08T22:49:59.007Z"
locale: en
meta:
description: "Niche score 44/100 · $83K/yr market · 175K searches/yr · $11.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $83K/yr market · 175K searches/yr · $11.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cylinder Lock — $83K/yr Amazon US Niche (2026) - Flapen"
---
# **cylinder lock**
**Skip it**
A small market ($83K/yr) — this niche doesn't clear our bar today.
Market size 21Growth 35Conversion 50Competition 47Returns 29Price range 59Avg price 49Brand share 67Review moat 49Quality gap 62
**Brand share**
**Good****65%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$7.06–$26.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****4.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,624.58**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$11.87**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+8.4%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$83K**
$83K/yr · 175K searches
**Signals**[** 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, cylinder lock is a $83K/yr Amazon United States market (175K searches/yr). The top 5 brands hold 65% of demand. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cylinder lock market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$71K–$95K**
- units × avg price
- **Conversion rate**
- **4.0%**
- **Avg BSR**
- **#64**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **75%**
- **Out of stock**
- **7.1%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**46**
**Top-5 brand share**
**65%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 96%
**Open market**
**30%**
- NiceGo23% - RI-KEY SECURITY21% - Puroma10% - PRIME-LINE6% - Helonge5% - Admiral Locks5%
## **Demand & seasonality**
Weekly Amazon search volume, last 60 weeks — +8.4% search growth over the last 90 days.
4K3KSpike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/cylinder-lock/trend)
## **Top cylinder lock search terms**
- **cylinder lock**52K/yr+17.7%2.8% conv. - **cylinder lock for storage unit**43K/yr+7.2%4.9% conv. - **lock cylinder**20K/yr-11.7%1.0% conv. - **lock cylinder with key**12K/yr-1.9%2.0% conv. - **cylinder lock for storage**5K/yr+55.9%2.2% conv. - **cylinder locks for storage units**6K/yr+26.2%4.8% conv. - **cylinder locks**8K/yr+2.5%1.0% conv. - **storage cylinder lock**6K/yr+5.7%3.7% conv. - **key cylinder replacement**5K/yr-0.1%0.6% conv. - **lock cylinder replacement**4K/yr+35.4%1.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/cylinder-lock/search-terms)
## **Top cylinder 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%$4K10%$8K15%$12K20%$17K1101001K10K 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**RiKey Security - Storage Cylinder Lock with 3 Tubular Keys for Roll-up Door Unit Secure 19mm**RI-KEY SECURITY**$15.37**4.4★175 rev](https://www.amazon.com/dp/B0D7QR2YRT) [2**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit.Premium Self-Storage Locker Cylinder Lock Set (Includes 3 Keys) (Design 002 1 Count)**NiceGo**$15.34**4.8★41 rev](https://www.amazon.com/dp/B0GCHYKDW1) [3**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit. Premium Self-Storage Locker Cylinder Lock Set Includes 3 Keys Design 001**NiceGo**$15.11**4.8★41 rev](https://www.amazon.com/dp/B0GCJRT55N) [4**Puroma Keyed Padlock Stainless Steel Locker Lock Heavy Duty Locks with 3 Keys Waterproof Outdoors Gate Storage Unit Lock with 3/8 Inch Shackle for Warehouse Gym Storage Locker (1 Pack)**Puroma**$9.08**4.6★8,187 rev](https://www.amazon.com/dp/B07GZLN799) [5**Prime-Line E 2103 Cylinder Lock 1-1/4 in. Single Pack**PRIME-LINE**$9.08**4.2★2,321 rev](https://www.amazon.com/dp/B000VZKBQC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kwikset Discus Padlock with Boron Carbide Shackle High Security Outdoor Storage and Gate Lock 2-3/4 in Body 1 Pack Silver**Kwikset**$16.37**81 rev4mo ago](https://www.amazon.com/dp/B0GR1ZQS3M) [**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit.Premium Self-Storage Locker Cylinder Lock Set (Includes 3 Keys) (Design 002 1 Count)**NiceGo**$15.34**41 rev7mo ago](https://www.amazon.com/dp/B0GCHYKDW1) [**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit. Premium Self-Storage Locker Cylinder Lock Set Includes 3 Keys Design 001**NiceGo**$15.11**41 rev7mo ago](https://www.amazon.com/dp/B0GCJRT55N) [**Admiral Locks Tubular Cam Lock Keyed Alike Removable Key RV Compartment Storage Lock Cabinet Locks (Chrome Pack of 2 5/8 Inch 90)**Admiral Locks**$13.31**5,434 rev10mo ago](https://www.amazon.com/dp/B0FRNT22TD) [**Vending Machine Key Cylinder Lock for Storage Unit Cylinder Lock for Coke Snack Candy Soda Vending Machines Locks with 3 Tubular Keys**UPIQNG**$7.27**8 rev11mo ago](https://www.amazon.com/dp/B0FN3FFKD3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kwikset Discus Padlock with Boron Carbide Shackle High Security Outdoor Storage and Gate Lock 2-3/4 in Body 1 Pack Silver**Kwikset**$16.37**4.8★**▲ 245%**](https://www.amazon.com/dp/B0GR1ZQS3M) [**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit. Premium Self-Storage Locker Cylinder Lock Set Includes 3 Keys Design 001**NiceGo**$15.11**4.8★**▲ 164%**](https://www.amazon.com/dp/B0GCJRT55N) [**Puroma Keyed Padlock Stainless Steel Locker Lock Heavy Duty Locks with 3 Keys Waterproof Gate Storage Unit Lock with Rubber Bumper for Warehouse Gym Storage Locker and Outdoors (1 Pack)**Puroma**$9.95**4.6★**▲ 136%**](https://www.amazon.com/dp/B0BZRSCYSR) [**Heavy-Duty 3/4 inches 19mm Roll-Up Door Cylinder Lock with 3 Alloy Keys for Storage Unit.Premium Self-Storage Locker Cylinder Lock Set (Includes 3 Keys) (Design 002 1 Count)**NiceGo**$15.34**4.8★**▲ 130%**](https://www.amazon.com/dp/B0GCHYKDW1) [**Master Lock Padlock Stainless Steel Discus Lock 2-3/4 in. Wide 40DPF Silver**Master Lock**$13.14**4.7★**▲ 78%**](https://www.amazon.com/dp/B00004SQKX)
**~~View all trending →~~**
## **What buyers say about cylinder lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Locking Mechanism**29%
*“Super Convenient Locking”*
**Quality-Overall**10%
*“Excellent product”*
**Value For Money**8%
*“Great Deal”*
**Advertised Vs Actual Product**6%
*“As described”*
**Storage Capacity**5%
*“Perfect for POD storage container”*
**Security**5%
*“Feels More Secure”*
**Size-Overall**5%
*“Fit perfect”*
**Strength**5%
*“It balances sturdy construction with the simplicity of a one-key system”*
**Efficiency**4%
*“Works great”*
**Durability**3%
*“durable enough for long-term use in storage environments”*
### **What buyers complain about **
**Locking Mechanism**21%
*“Worst lock I've ever bought”*
**Quality-Overall**10%
*“The lock is also poor quality”*
**Size-Overall**10%
*“maybe 1/2 too narrow”*
**Durability**6%
*“Failed within a single week of use”*
**Ease Of Use**5%
*“I wish I knew before I bought how easy this lock was to pick”*
**Hard Feel**5%
*“Initially, it was very rough and gritty to operate”*
**Compatibility-Overall**3%
*“I was a little worried because the description says not compatible”*
**Material Quality**3%
*“Cheap material flimsy af”*
**Rusts/Corrodes**3%
*“my existing locks started to rust”*
**Advertised Vs Actual Product**2%
*“advertised that it came with 3 keys. It only comes with 1.”*
### **Top return reasons **
**Size-Overall**57%
**Locking Mechanism**10%
**Compatibility-Overall**5%
**Value For Money**5%
**Advertised Vs Actual Product**4%
**Functionality-Overall**4%
**Storage Capacity**4%
**Mechanism Issues**2%
**Quality-Overall**2%
**Defective Material/Parts**1%
## **Common questions**
- **Is cylinder lock profitable to sell on Amazon United States?**
- The niche generates $83K/yr across 24 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +8.4%. Flapen's verdict: Skip it (44/100).
- **How competitive is the cylinder lock niche?**
- 18 brands and 46 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 65% of demand.
- **What do buyers complain about in cylinder lock?**
- Top complaints mined from reviews: Locking Mechanism, Quality-Overall, Size-Overall. The return rate is 4.7%.
- **When does demand for cylinder lock peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the cylinder lock niche?**
- Listings span $7.06–$26.38; the average listing price is $11.87 (sweet spot $15–$100). The average incumbent carries 1,625 reviews — the moat a new listing must climb.
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