D Lock
D Lock shows a sweet-spot price point ($25.86 avg), but brand-locked demand (top 5 brands take 90% of clicks) keeps it on the watch list.
Flapen Score
Is D Lock profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, D Lock is a £455K/yr Amazon United Kingdom market (330K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Sep. Verdict: Worth a look — 52/100.
D Lock: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +10.3% over the last 90 days and 5.3% of searches end in a purchase.
£455K
revenue / yr
Who owns the niche?
The top 5 brands hold 90% of demand, so 10% of the market is open.
10%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 21 products
Top D Lock products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Kryptonite Keeper Bike U-Lock Standard with Braided Steel Cable Heavy Duty Anti-Theft Bicycle U Lock 12mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys
- Price
- £22.94
- Rating
- 4.4/5
- Reviews
- 5,337
- Age
- 8y ago
Kryptonite Evolution Mini-7 Bike U-Lock with Cable Heavy Duty Anti-Theft Bicycle U Lock 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys
- Price
- £36.78
- Rating
- 4.5/5
- Reviews
- 14,063
- Age
- 9y ago
Sportneer Bike Lock: 17mm Heavy Duty Bike D Lock with 5Ft/1.2M High Security Steel Cable&Sturdy Mounting Bracket&Key Anti Theft Bicycle Locks for Road Bike Electric Bike Mountain Bike Folding Bike
- Price
- £14.50
- Rating
- 4.5/5
- Reviews
- 2,584
- Age
- 6y ago
Kryptonite Keeper 12 Standard with Bracket Black
- Price
- £15.48
- Rating
- 4.4/5
- Reviews
- 3,177
- Age
- 14y ago
Kryptonite Evolution Standard Bike U-Lock Heavy Duty Anti-Theft Bicycle U Lock 14mm Shackle with Mounting Bracket and Keys High Security Lock for Bicycles Scooters
- Price
- £42.47
- Rating
- 4.4/5
- Reviews
- 4,196
- Age
- 9y ago
Trending
90-day click momentum
NDakter Bike Locks 18mm Shackle Heavy Duty Bike D Lock with 6FT/1.8M Steel Security Cable with 3 Keys Anti Theft Bicycle Lock for Electric Scooter Motorbike Dirt-Bike E Bike Road Bike Lock Sturdy
- Price
- £21.04
- Rating
- 4.7/5
- Reviews
- 1,286
- Age
- 3y ago
G4GADGET Heavy Duty D Lock for Bike High-Security Bicycle U Lock with 2 Keys Anti-Theft Steel Shackle Weatherproof & Durable Ideal for Road Mountain Electric & Folding Bikes
- Price
- £10.91
- Rating
- 4.7/5
- Reviews
- 4
- Age
- 1y ago
Kryptonite Keeper Bike U-Lock Standard with Braided Steel Cable Heavy Duty Anti-Theft Bicycle U Lock 12mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys
- Price
- £22.94
- Rating
- 4.4/5
- Reviews
- 5,337
- Age
- 8y ago
Sportneer Bike Lock 18mm Heavy Duty Bike U Lock Plus Size with Adjustable Mounting Bracket&Key Anti Theft Secure Locks for Bikes (U Lock)
- Price
- £14.29
- Rating
- 4.5/5
- Reviews
- 147
- Age
- 1y ago
Burg Wachter 200D 16mm Heavy Duty D-Lock Padlock Sold Secure Diamond & Gold Rated Bike & Motorcycle Ebike Scooter Security Lock
- Price
- £11.65
- Rating
- 4.4/5
- Reviews
- 100
- Age
- 6mo ago
Newest
by launch dateBurg Wachter 200D 16mm Heavy Duty D-Lock Padlock Sold Secure Diamond & Gold Rated Bike & Motorcycle Ebike Scooter Security Lock
- Price
- £11.65
- Rating
- 4.4/5
- Reviews
- 100
- Age
- 6mo ago
BYKING Bike Lock Heavy Duty Bicycle D Lock with Cable 3 High-Security Keys and 1.2m Steel Cable for Road Electric Folding Mountain Bike and Scooter.
- Price
- £12.55
- Rating
- 4.5/5
- Reviews
- 89
- Age
- 1y ago
G4GADGET Heavy Duty D Lock for Bike High-Security Bicycle U Lock with 2 Keys Anti-Theft Steel Shackle Weatherproof & Durable Ideal for Road Mountain Electric & Folding Bikes
- Price
- £10.91
- Rating
- 4.7/5
- Reviews
- 4
- Age
- 1y ago
Sportneer Bike Lock 18mm Heavy Duty Bike U Lock Plus Size with Adjustable Mounting Bracket&Key Anti Theft Secure Locks for Bikes (U Lock)
- Price
- £14.29
- Rating
- 4.5/5
- Reviews
- 147
- Age
- 1y ago
Sterling 320mm Heavy Duty Bike D Lock
- Price
- £6.86
- Rating
- 4.2/5
- Reviews
- 163
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
Brands
9 falling
Sellers
39
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
60%
Top 20: 99%
Open market
7%
- Kryptonite64%
- Sportneer13%
- Burg-Wachter6%
- NDakter4%
- Sterling4%
- Byking3%
- Open — no brand owns it (3 brands, 7%)
D Lock demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Sep · busiest ÷ quietest = 1.9×
Top D Lock search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- kryptonite bike lock86K/yr
- d lock46K/yr
- d locks for bicycles44K/yr
- bike d lock26K/yr
- u lock bike lock12K/yr
- u lock14K/yr
- bike u lock13K/yr
- kryptonite lock14K/yr
- d lock bike10K/yr
- kryptonite9K/yr
What reviews say buyers love and hate about D Lock
What buyers mention most, as a share of all reviews.
What buyers love
86% of reviews“Lock is great”
“Excellent product”
“Amazing value”
“Solid construction, seems great 👍🏻 The lock seems to be of a solid construction, it's sturdy and has a decent weight”
“Easy to use”
What buyers complain about
75% of reviews“Broke on the first use”
“heavy lock”
“Not reliable at all”
“The worst U lock”
“The holder doesnt fit”
D Lock return rate & reasons
Why buyers send it back, as a share of all return requests.
2.0%
Return rate
61%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common D Lock questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
