Combination U Lock
FailShoppers spend an estimated $48K a year here, so Combination U Lock is a Fail.
- Flapen Score
- 47 / 100Ranks 4,037 of 8,101 Sports & Outdoors niches · on the category median47
- Market size
- $48K/yr27K searches / yr
- 90-day growth
- +30.3%search demand this quarter
- Competition
- 64%top-5 click share · 12 brands · 28 sellers
Flapen Score
Combination U Lock against its category
The dotted line is the Sports & Outdoors average. Past it, Combination U Lock is stronger. Inside it, weaker.
Market
The Combination U Lock market on Amazon at a glance
Shoppers on Amazon United States searched for Combination U Lock 27K times last year and spent an estimated $48K. The top 5 brands take 89% of clicks. Demand peaks in Aug–Sep. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 5.8% of those searches ended in a purchase.
Shoppers searched for this 27K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.8% of those searches ended in a purchase. Searches in the last 90 days moved +30.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $48K a year.
- Searches, last 12 months
- 27K
- Growth, 90 days vs prior 90
- +30.3%
- Conversion, latest week
- 5.8%
- Market size, estimated
- $48Ka year
- Peak month
- August3.3× the quietest month
- Top search term
- combination u lock7K searches a year
02 · Price
A sale here is worth $30.78.
Listings sell for $30.78 on average, from $13.10 to $76.70. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $30.78 that is $0 to $3K a year per listing.
- Average price
- $30.78inside the $15 to $100 sweet spot
- Price range
- $13.10–$76.70
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 3.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.5% of listings are out of stock. The average listing ranks #76 within Accessories. It carries 1,852 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.5%
- Average rank
- #76in Accessories
- Average rating
- 4.39 starsAmazon United States average 4.42 stars
- Average reviews
- 1,852per listing
- Listings tracked
- 22
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 47 months
Products
Top Combination U Lock products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Kryptonite Combo Bike U-Lock Standard Anti-Theft Security Bicycle Lock 12mm Steel Shackle 4-Digit Resettable Combination U Lock for Scooter Road Mountain Bikes
- Price
- $20.27
- Rating
- 4.3/5
- Reviews
- 1,035
- Age
- 3y ago

Kryptonite Keeper 785 Bike Chain Lock 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike Motorcycle Scooter Bicycle Door Gate Fence
- Price
- $44.76
- Rating
- 4.6/5
- Reviews
- 11,392
- Age
- 14y ago

USHAKE Bike Combination U Lock Heavy Duty Bike Combination U Lock Paddle Lock for Bicycle Electric Scooter Motorcycles Metal Fence Gate Anti Theft
- Price
- $23.09
- Rating
- 4.4/5
- Reviews
- 1,530
- Age
- 8y ago

NDakter Bike Locks Heavy Duty Anti Theft Combo Bike U Lock 4-Digit Resettable Combination Bicycle Lock Large U Shaped Ebike Lock with 5Ft Steel Cable for Electric Bike Escooter Motorcycle Door
- Price
- $27.08
- Rating
- 4.5/5
- Reviews
- 932
- Age
- 3y ago

Kryptonite KryptoLok Combo Bike U-Lock Anti-Theft Security 12.7mm Steel Shackle 4-Digit Resettable Combination U-Shape Black
- Price
- $56.84
- Rating
- 3.9/5
- Reviews
- 197
- Age
- 3y ago
Trending
estimated 90-day click momentum
NDakter Bike Locks Heavy Duty Anti Theft Combo Bike U Lock 4-Digit Resettable Combination Bicycle Lock Large U Shaped Ebike Lock for Electric Bike Escooter Motorcycle Door
- Price
- $22.67
- Rating
- 4.5/5
- Reviews
- 932
- Age
- 3y ago

NDakter Bike Locks Heavy Duty Anti Theft 18mm Bicycle Combo U Lock 4-Digit Resettable Combination Lock with 5FT Steel Cable and Bracket for Electric Scooter Ebike Motorcycle (Gray)
- Price
- $27.50
- Rating
- 4.5/5
- Reviews
- 185
- Age
- 6mo ago

Diyife 18mm Combination Bike U Lock Large Bike Lock Heavy Duty Anti Theft with 5FT Steel Cable 4-Digit Security Bicycle Lock with Keys and Mounting Bracket for Ebike Scooter Motorcycle 10.24x7.1
- Price
- $27.17
- Rating
- 4.5/5
- Reviews
- 749
- Age
- 7mo ago

AXA Combo 8 Bike U-Lock Heavy Duty Anti-Theft 12 mm Hardened Steel Shackle U Lock with 4-Digit Resettable Combination Compact & Portable Scratch-Resistant Security for Scooters & Mountain Bikes
- Price
- $21.50
- Rating
- 4.5/5
- Reviews
- 19
- Age
- 11mo ago

Master Lock Black Bike Lock with Key Standard Size U-Lock for Bicycles and Other Outdoor Equipment Anti-Theft Lock for Bikes 8320D
- Price
- $13.13
- Rating
- 4.5/5
- Reviews
- 4,951
- Age
- 11y ago
Newest
by launch date
NDakter Bike Locks Heavy Duty Anti Theft 18mm Bicycle Combo U Lock 4-Digit Resettable Combination Lock with 5FT Steel Cable and Bracket for Electric Scooter Ebike Motorcycle (Gray)
- Price
- $27.50
- Rating
- 4.5/5
- Reviews
- 185
- Age
- 6mo ago

Diyife 18mm Combination Bike U Lock Large Bike Lock Heavy Duty Anti Theft with 5FT Steel Cable 4-Digit Security Bicycle Lock with Keys and Mounting Bracket for Ebike Scooter Motorcycle 10.24x7.1
- Price
- $27.17
- Rating
- 4.5/5
- Reviews
- 749
- Age
- 7mo ago

AXA Combo 8 Bike U-Lock Heavy Duty Anti-Theft 12 mm Hardened Steel Shackle U Lock with 4-Digit Resettable Combination Compact & Portable Scratch-Resistant Security for Scooters & Mountain Bikes
- Price
- $21.50
- Rating
- 4.5/5
- Reviews
- 19
- Age
- 11mo ago

Bike Lock Black Heavy Duty Anti Theft Bike U Locks Upgraded High Security 5 Digit Resettable Combination Password Bicycle U-Lock 17.4mm Thicken Steel Shackle Locks for Electric Bike Scooter Motorcycle
- Price
- $13.10
- Rating
- 4.3/5
- Reviews
- 20
- Age
- 1y ago

Febabilo Bike Locks Heavy Duty Anti Theft Combo Bike U Lock 4-Digit Resettable Combination E-Bike Large U Shaped Lock with 5Ft Steel Cable for Electric Bike Bicycle Escooter Motorcycle Door
- Price
- $27.62
- Rating
- 4.6/5
- Reviews
- 245
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
28
Est. top-5 brand share
89%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 98%
Open market
9%
- Kryptonite60%
- NDakter14%
- USHAKE9%
- Febabilo3%
- HAKSEIFA3%
- Diyife2%
- Open — no brand owns it (6 brands, 9%)
Demand
Combination U Lock search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 3.3×
Search terms
Top Combination U Lock search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- combination u lock7K/yr
- bike u lock combination6K/yr
- u lock combination7K/yr
- kryptonite keeper 7853K/yr
- kryptonite bike lock combination4K/yr
Reviews and returns
What reviews say buyers love and hate about Combination U Lock
We read the reviews and the return reasons for every product selling here.
“The bracket could be bigger”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Combination U Lock questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









