chain lock
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Conversion
Great7.0%search→purchase rate — share of searches ending in a sale
Brand share
Great60%top-5 brand share — no brand owns this niche
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Price range
Good£3.32–£33.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+17.5%90-day search growth — must beat 0% to launch
Review moat
Okay2,874.05avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£9.57avg listing price — sweet spot $15–$100
Market size
Bad£36K£36K/yr · 53K searches
According to Flapen's Amazon United Kingdom niche tracking, chain lock is a £36K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Feb–Mar–Oct. Verdict: Worth a look — 57/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
chain lock market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- £38K–£48K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #127
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 8.1%
- Avg brand age
- 42 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
30 rising
Sellers
65
Top-5 brand share
60%
Top 20: 93%
Top-5 click share
43%
Top 20: 84%
Open market
35%
- Sterling23%
- Diyife11%
- H&S11%
- HexinYigjly8%
- SEPOX7%
- Zxglxinyao5%
Demand & seasonality
Weekly Amazon search volume, last 94 weeks — +17.5% search growth over the last 90 days.Peak months: Feb, Mar, Oct · busiest ÷ quietest = 2.7×
Top chain lock search terms
- padlock and chain15K/yr
- chain and padlock15K/yr
- heavy duty chain and padlock7K/yr
- padlock chain6K/yr
- gate chain lock4K/yr
- chain lock for gate4K/yr
- security chain and lock4K/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
Sterling 460 APL 60cm 4mm Security Chain & Aluminium Padlock Black
Sterling£4.404.5★477 rev
Sterling 825 C WPL 2.5m 8mm Steel Security Cable & 48mm Weatherproof Padlock Black
Sterling£8.234.5★477 rev
HexinYigjly 304 Stainless Steel Chain Link 5mmx1m Heavy Duty Chain Links
HexinYigjly£7.304.3★52 rev
SEPOX 2Pcs Versatile Resettable 4-Digit Combination Padlock with Extra Long Cable 18cm Personalized Password Durable Vinyl Steel Cable Black Multipurpose Lock for Suitcase Gym Lockers Toolbox
SEPOX£7.314.1★417 rev
H&S Heavy Duty Motorbike Lock with Padlock - Bicycle and Motorcycle Lock - Anti-Theft Thick 10mm x 1.2m Bike Locks High Security Chain - Padlock with Scratch-Proof Nylon Sleeve
H&S£19.794.5★3,798 rev
Newest
by launch date
304 Stainless Steel Bike Chain Lock 5mm x 1 Meter High Security Chains with Padlock Heavy Duty Chain Link for Indoor Outdoor Fence Bicycle Scooter Motorcycle Motorbike Chains Lock
SGYKJ£6.7919 rev
Sterling 460 APL 60cm 4mm Security Chain & Aluminium Padlock Black
Sterling£4.40477 rev
Burg Wächter SKM 6/60 CPL Burg Wachter 60cm 6mm Security Chain & Combination Padlock Black
Burg-Wächter£11.2824 rev
Padlock and Chain 2 Pcs Security Cable Lock Bin Lock Padlock Long Shackle Outdoor for Outside Wheelie Bin Suitcase School Gate Bicycle Gym Cabinets Padlocks with Keys Flexible Cable Steel Rope.
Luxiremi£6.7016 rev
HexinYigjly 304 Stainless Steel Chain Link 5mmx1m Heavy Duty Chain Links
HexinYigjly£7.3052 rev
Trending
90-day click momentum
Gleamart 2 Pcs Lock Key Pendant Necklaces Eboy Egirl Padlock Punk Chain Choker for Men Women
Gleamart£11.324.0★
Diyife Heavy Duty Bike Lock - 1m Anti-Theft High Security Chain with 3 Keys Weatherproof Padlock for Bicycle Motorcycle Scooter Door Gate Fence
Diyife£9.524.1★
SEPOX 2Pcs Versatile Resettable 4-Digit Combination Padlock with Extra Long Cable 18cm Personalized Password Durable Vinyl Steel Cable Black Multipurpose Lock for Suitcase Gym Lockers Toolbox
SEPOX£7.314.1★
Henry Squire CP36 CP Hardened Steel Security Chain with Grey Sleeve 900 mm Chain (Length) x 6.5 mm Link (Diameter)
Squire£9.874.4★
Amtech 3m x 4mm Braided Steel Security Cable & Padlock Set Vinyl Coated with 30mm Brass Padlock and 3 Keys for Bikes Tools and Garden Equipment.
Amtech£5.254.4★
What buyers say about chain lock
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“Really good lock itself”
“Good value for money”
“Sturdy design”
“Appears to work well”
“Ease of use”
“Very secure”
“It fits,”
“Being quite durable”
“heavy”
What buyers complain about
“lock very flimsy”
“Totally crap broke in 3 days”
“Not strong enough”
“Not great quality control”
“Tesla not fit”
“Its a bit weighty at around 0.85kg”
“Looks thicker in the online pics”
“The more expensive the bike”
“Lock showed signs of rust within a week”
“was not quite as expected”
Top return reasons
Common questions
- Is chain lock profitable to sell on Amazon United Kingdom?
- The niche generates £36K/yr across 38 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +17.5%. Flapen's verdict: Worth a look (57/100).
- How competitive is the chain lock niche?
- 30 brands and 65 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 60% of demand.
- What do buyers complain about in chain lock?
- Top complaints mined from reviews: Locking Mechanism, Durability, Strength. The return rate is 1.1%.
- When does demand for chain lock peak?
- Demand peaks in Feb–Mar–Oct; the busiest month runs 2.7× the quietest.
- What does it cost to enter the chain lock niche?
- Listings span £3.32–£33.41; the average listing price is £9.57 (sweet spot $15–$100). The average incumbent carries 2,874 reviews — the moat a new listing must climb.