U Lock
MaybeProducts sell for $33.15 on average, inside the sweet spot. But the average product has 3,339 reviews to catch up to, so U Lock is a Maybe.
- Flapen Score
- 56 / 100Top 19% of 8,101 Sports & Outdoors niches · +9 vs the category median of 4756
- Market size
- $936K/yr547K searches / yr
- 90-day growth
- +48.1%search demand this quarter
- Competition
- 58%top-5 click share · 12 brands · 67 sellers
Flapen Score
U Lock against its category
The dotted line is the Sports & Outdoors average. Past it, U Lock is stronger. Inside it, weaker.
Market
The U Lock market on Amazon at a glance
Shoppers on Amazon United States searched for U Lock 547K times last year and spent an estimated $936K. The top 5 brands take 85% of clicks. Demand peaks in Aug–Sep. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 5.2% of those searches ended in a purchase.
Shoppers searched for this 547K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved +48.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $936K a year.
- Searches, last 12 months
- 547K
- Growth, 90 days vs prior 90
- +48.1%
- Conversion, latest week
- 5.2%
- Market size, estimated
- $936Ka year
- Peak month
- August2.6× the quietest month
- Top search term
- u lock142K searches a year
02 · Price
A sale here is worth $33.15.
Listings sell for $33.15 on average, from $13.13 to $125.23. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,000 to 1,250 of them. At $33.15 that is $33K to $41K a year per listing.
- Average price
- $33.15inside the $15 to $100 sweet spot
- Price range
- $13.13–$125.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $33K–$41K
- Returns
- 3.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #23 within Accessories. It carries 3,339 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #23in Accessories
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 3,339per listing
- Listings tracked
- 25
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top 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
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

Sportneer Bike Lock: Heavy Duty Anti Theft Bike U Lock with 5ft Security Steel Cable - 17mm Shackle Bicycle U-Locks with 2 Keys & Mounting Bracket for Road Mountain Bike Size 7.76x5.02 1.64lb
- Price
- $26.20
- Rating
- 4.6/5
- Reviews
- 5,123
- Age
- 6y ago

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 Bike U-Lock with Braided Steel Cable High Security Anti-Theft Bicycle U Lock 12mm Shackle and 8mm x4ft Length Security Cable with Keys for Scooter Road Mountain Bikes
- Price
- $23.87
- Rating
- 4.4/5
- Reviews
- 1,916
- Age
- 11y ago

Kryptonite Evolution Mini-7 Bike U-Lock 13mm Steel Shackle 4 ft Cable
- Price
- $80.41
- Rating
- 4.5/5
- Reviews
- 14,059
- Age
- 9y ago
Trending
estimated 90-day click momentum
Corki Bike Lock Heavy Duty Anti Theft with 5ft Cable Bicycle U Lock
- Price
- $28.24
- Rating
- 4.6/5
- Reviews
- 106
- Age
- 6mo ago

Master Lock Bike U Lock 7.25 with 4 Looped Cable 3/8 Bike Locks for Ebike Scooter Motorcycle or Bicyle. 8385D
- Price
- $15.67
- Rating
- 4.5/5
- Reviews
- 483
- Age
- 5y ago

Kryptonite Bike U-Lock with Braided Steel Cable High Security Anti-Theft Bicycle U Lock 12mm Shackle and 8mm x4ft Length Security Cable with Keys for Scooter Road Mountain Bikes
- Price
- $23.87
- Rating
- 4.4/5
- Reviews
- 1,916
- Age
- 11y ago

OTTOLOCK Sidekick Compact U-Lock Black
- Price
- $35.13
- Rating
- 4.5/5
- Reviews
- 369
- Age
- 6y ago

OTTOLOCK Sidekick Compact U-Lock Orange
- Price
- $34.18
- Rating
- 4.8/5
- Reviews
- 499
- Age
- 6y ago
Newest
by launch date
Corki Bike Lock Heavy Duty Anti Theft with 5ft Cable Bicycle U Lock
- Price
- $28.24
- Rating
- 4.6/5
- Reviews
- 106
- Age
- 6mo ago

Hapleby Premium Bike Lock Set with 2 Keys Bike U-Lock with 6 Feet Thickened Solid Steel Cable Heavy Duty Anti Theft Bicycle U-Lock with Mounting Bracket for Road Mountain Folding Bike and Scooter
- Price
- $15.22
- Rating
- 4.5/5
- Reviews
- 511
- Age
- 1y ago

Sportneer Bike Lock - 17mm Shackle Heavy Duty Anti Theft Bike U Lock with 2 Keys - Bicycle U-Locks with Sturdy Mounting Bracket for Road Mountain Electric & Folding Bike Size 7.76x5.02
- Price
- $22.86
- Rating
- 4.6/5
- Reviews
- 132
- Age
- 1y ago

Bike U Lock with 5ft Security Cable 17mm Shackle Bike Lock with 3 Keys and Mounting Bracket Bicycle U-Locks Perfect for Road Mountain and Electric Bikes Bicycle Lock
- Price
- $19.12
- Rating
- 4.6/5
- Reviews
- 199
- 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 58% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
67
Est. top-5 brand share
85%
Top 20: 100%
Est. top-5 click share
58%
Top 20: 94%
Open market
11%
- Kryptonite26%
- Master Lock25%
- Sportneer24%
- NDakter6%
- Hapleby4%
- OTTOLOCK4%
- Open — no brand owns it (6 brands, 11%)
Demand
U Lock search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 2.6×
Search terms
Top U Lock search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- u lock142K/yr
- u lock bike85K/yr
- bike u lock75K/yr
- ulock bike lock31K/yr
- u bike lock28K/yr
- u lock for scooter33K/yr
- ulock30K/yr
- u-locks for bikes7K/yr
- bike u-locks19K/yr
- u lock for ebike7K/yr
Reviews and returns
What reviews say buyers love and hate about 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 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









