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45

wdg1611ln

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 88Growth 15Conversion 100Competition 7Returns 99Price range 0Avg price 3Brand share 0Review moat 93Quality gap 37

Conversion

Incredible19.9%

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

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Review moat

Great130.86

avg incumbent reviews — the moat a new listing must climb

Market size

Great¥1.6M

¥1.6M/yr · 17K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-19.5%

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

Competition

Bad91%

top-5 click share — a locked-up shelf

Avg price

Bad¥480.35

avg listing price — sweet spot $15–$100

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad¥266.80–¥626.04

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

According to Flapen's Amazon Japan niche tracking, wdg1611ln is a ¥1.6M/yr Amazon Japan market (17K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Oct. Verdict: Skip it — 45/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

wdg1611ln market data

Units sold / yr
3K–4K
avg 250–500/product
Revenue / yr
¥1.4M–¥1.9M
units × avg price
Conversion rate
19.9%
Avg BSR
#29
Page quality
0%
Prime
57%
Sponsored
71%
Out of stock
0.0%
Avg brand age
72 months
Avg seller age
169 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

28

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

0%

  • ノーブランド品59%
  • 東芝(TOSHIBA)28%
  • Generic13%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -19.5% search growth over the last 90 days.
600400Spike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Feb, Oct · busiest ÷ quietest = 2.0×

Top wdg1611ln 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%¥161K20%¥323K30%¥484K40%¥645K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

What buyers say about wdg1611ln

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

What buyers love

耐久性26%

“耐久性アップ”

組み立て/インストール12%

“取り付け簡単です。”

使用の容易さ10%

“付け替えも簡単でした。”

コストパフォーマンス10%

“その金額の安さにびっくりしてすぐに購入しました。”

広告と実際の製品の違い10%

“思った通り”

総合品質7%

“改善されている”

強さ7%

“金具がついて丈夫になった”

ロック機構7%

“ロック部がしっかり補強されており満足しています。”

快適さ-全体5%

“快適です”

接着性/粘着性5%

“付け替えたら、しっかりとはまって、外れるストレスがなくなりありがたいです。”

What buyers complain about

耐久性50%

“壊れにくくなりました。”

強さ14%

“東芝のパーツは脆いですよね、、、.”

使用説明書/ユーザーマニュアル/トラブルシューティング14%

“付け方の説明書など無かったのが、残念です。”

不良材料/部品14%

“壊れそうな所が金属でちゃんとすてる”

Top return reasons

サイズ全体95%
使用の容易さ5%

Common questions

Is wdg1611ln profitable to sell on Amazon Japan?
The niche generates ¥1.6M/yr across 7 tracked products. 90-day search growth is -19.5%. Flapen's verdict: Skip it (45/100).
How competitive is the wdg1611ln niche?
3 brands and 28 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in wdg1611ln?
Top complaints mined from reviews: 耐久性, 強さ, 使用説明書/ユーザーマニュアル/トラブルシューティング. The return rate is 0.2%.
When does demand for wdg1611ln peak?
Demand peaks in Feb–Oct; the busiest month runs 2.0× the quietest.
What does it cost to enter the wdg1611ln niche?
Listings span ¥266.80–¥626.04; the average listing price is ¥480.35 (sweet spot $15–$100). The average incumbent carries 131 reviews — the moat a new listing must climb.