chain lock
Worth a lookShows no brand lock-in (top 5 brands take 54% of clicks), but a small market ($56K/yr) keeps it on the watch list.
Brand share
Great54%top-5 brand share — no brand owns this niche
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Price range
Great$8.04–$36.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Avg price
Good$14.00avg listing price — sweet spot $15–$100
Growth
Good+28.7%90-day search growth — must beat 0% to launch
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,358.03avg incumbent reviews — the moat a new listing must climb
Market size
Bad$56K$56K/yr · 53K searches
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
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.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.4×
Top chain lock search terms
- chain and lock25K/yr
- lock with chain7K/yr
- electric scooter lock with key6K/yr
- cadena con candado5K/yr
- lock and chain for outdoor use4K/yr
- bike lock cable 6 feet3K/yr
- cable bike lock with key4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$15.784.4★297 rev
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$9.944.6★2,824 rev
Master Lock Bike Lock Cable with Combination Black 8143D
Master Lock$8.904.4★40,996 rev
Master Lock 719D Steel Cable with Integrated Outdoor Padlock with Key 1 Pack
Master Lock$13.374.5★2,219 rev
1 Set 40 inch Bicycle Stainless Steel Chain Lock Heavy Duty Anti-Cut Lock
QBXMY7$12.494.4★188 rev
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$12.3165 rev
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$10.7331 rev
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$9.96533 rev
1 Set 40 inch Bicycle Stainless Steel Chain Lock Heavy Duty Anti-Cut Lock
QBXMY7$12.49188 rev
DocksLocks Coiled Security Cable Lock (5 to 25 Lengths) with Keys 5ft
DocksLocks$19.89229 rev
Trending
90-day click momentumTopcrown 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$9.964.4★
DocksLocks Coiled Security Cable Lock (5 to 25 Lengths) with Keys 5ft
DocksLocks$19.894.7★
Outdoor Fence Gate Lock Locker - Bike Cable Chain Combination Locks
Histure$15.734.3★
DIBOLA Padlock Necklace Stainless Steel Lock Chain for Men Women Silver 18 inch
DIBOLA$12.784.4★
SEPOX Versatile Twins 4-Digit Combination Padlock Black 32cm Cable
SEPOX$9.314.0★
What buyers say about chain lock
What buyers praise and complain about, mined from review topics.What buyers love
“The locking mechanism moves smoothly”
“Premium quality”
“Great value”
“Really easy to travel with it”
“Well built”
“As Advertised”
“It still works and its been so easy to use and wonderful”
“Just perfect to secure anything”
“This is really heavy duty”
“Good fit”
What buyers complain about
“Breaks easily”
“NOT Secure”
“It is extremely low quality”
“Little heavy to carry”
“Doesn't Work”
“Jammed”
“Don't buy cheap”
“Not strong enough”
“too short”
“Rusted within a few weeks”
Top return reasons
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.