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57

folding bike lock

Worth a look

Shows a sweet-spot price point ($63.29 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 55Growth 84Conversion 52Competition 55Returns 22Price range 60Avg price 88Brand share 41Review moat 65Quality gap 57

Avg price

Great$63.29

avg listing price — sweet spot $15–$100

Growth

Great+83.0%

90-day search growth — must beat 0% to launch

Review moat

Good901.96

avg incumbent reviews — the moat a new listing must climb

Price range

Good$13.05–$154.23

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$382K

$382K/yr · 144K searches

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Conversion

Good4.2%

search→purchase rate — share of searches ending in a sale

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Returns

Bad6.0%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, folding bike lock is a $382K/yr Amazon United States market (144K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jun–Jul–Aug–Sep. Verdict: Worth a look — 57/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

folding bike lock market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$253K–$316K
units × avg price
Conversion rate
4.2%
Avg BSR
#70
Page quality
0%
Prime
100%
Sponsored
96%
Out of stock
6.3%
Avg brand age
50 months
Avg seller age
179 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

30

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

52%

Top 20: 92%

Open market

16%

  • Seatylock46%
  • Kryptonite13%
  • Master Lock12%
  • Lambolt5%
  • ICOCOPRO4%
  • Sportneer4%
  • Open — no brand owns it (8 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +83.0% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug, Sep · busiest ÷ quietest = 3.5×

Top folding bike lock search terms

  • folding bike lock47K/yr
  • folding bike locks7K/yr
  • foldylock13K/yr
  • foldylock forever6K/yr
  • seatylock7K/yr
  • foldable bike lock8K/yr
  • folding lock9K/yr
  • folding bike lock portable6K/yr
  • bike lock folding6K/yr
  • kryptonite evolution 790 folding lock2K/yr
All search terms

Top folding bike 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.

0%10%$38K20%$76K30%$114K40%$153K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about folding bike lock

What buyers praise and complain about, mined from review topics.

What buyers love

Strength15%

“It does not feel flimsy or weak”

Quality-Overall12%

“Very well, made nice and compact”

Locking Mechanism11%

“Good lock”

Ease Of Use7%

“Easy to use”

Value For Money5%

“Good Price”

Advertised Vs Actual Product5%

“Works as its advertised”

Durability5%

“very durable”

Compactness4%

“Long enough to enclose the frame, front wheel and whatever rack Im next to, compact enough to fit easily on my rack bag”

Size-Overall4%

“I love the length that this extends to -- it fits through my frame”

Weight Light3%

“Weighty, folds easy”

What buyers complain about

Weight Heavy16%

“pretty heavy”

Quality-Overall13%

“Pass on the low quality”

Ease Of Use10%

“Difficult to use”

Durability7%

“it would break”

Strength6%

“looks flimsy”

Size-Overall5%

“The opening is narrow”

Locking Mechanism4%

“will not release the lock”

Product Condition2%

“was clearly used”

Mounting2%

“mount not so much”

Material Quality2%

“.poor material”

Top return reasons

Size-Overall28%
Weight Heavy24%
Locking Mechanism7%
Value For Money5%
Advertised Vs Actual Product5%
Mechanism Issues4%
Defective Material/Parts3%
Functionality-Overall3%
Strength2%
Quality-Overall2%

Common questions

Is folding bike lock profitable to sell on Amazon United States?
The niche generates $382K/yr across 26 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +83.0%. Flapen's verdict: Worth a look (57/100).
How competitive is the folding bike lock niche?
14 brands and 30 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in folding bike lock?
Top complaints mined from reviews: Weight Heavy, Quality-Overall, Ease Of Use. The return rate is 6.0% — above our launch gate.
When does demand for folding bike lock peak?
Demand peaks in Jun–Jul–Aug–Sep; the busiest month runs 3.5× the quietest.
What does it cost to enter the folding bike lock niche?
Listings span $13.05–$154.23; the average listing price is $63.29 (sweet spot $15–$100). The average incumbent carries 902 reviews — the moat a new listing must climb.