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62

91px-52e

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 96Growth 19Conversion 96Competition 46Returns 98Price range 0Avg price 0Brand share 63Review moat 86Quality gap 82

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Market size

Incredible¥3.5M

¥3.5M/yr · 13K searches

Conversion

Incredible13.1%

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

Review moat

Great270.06

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good67%

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

Competition

Okay57%

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

Growth

Bad-11.0%

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

Avg price

Bad¥2089.16

avg listing price — sweet spot $15–$100

Price range

Bad¥1086.63–¥4927.68

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

According to Flapen's Amazon Japan niche tracking, 91px-52e is a ¥3.5M/yr Amazon Japan market (13K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Dec. Verdict: Worth a look — 62/100.

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

91px-52e market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
¥2.6M–¥3.1M
units × avg price
Conversion rate
13.1%
Avg BSR
#59
Page quality
0%
Prime
100%
Sponsored
83%
Out of stock
4.9%
Avg brand age
53 months
Avg seller age
202 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

52

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

57%

Top 20: 100%

Open market

24%

  • FocusOne16%
  • MUTOHIRO14%
  • Oregon13%
  • emrina(イムリナ)12%
  • Good Seed12%
  • Makita(マキタ)8%

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -11.0% search growth over the last 90 days.
350250Spike '25Black Friday '25Holiday '25AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Dec · busiest ÷ quietest = 2.6×

Top 91px-52e 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%5%¥176K10%¥353K15%¥529K20%¥705K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about 91px-52e

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

What buyers love

コストパフォーマンス42%

“コスパいい”

耐久性23%

“耐久性抜群”

総合品質10%

“純正品と遜色ない使用感で満足しています。”

使用の容易さ9%

“問題なく使えます”

互換性-全体3%

“このタイプは互換品なので、対応するバーサイズのチェーンソーであれば交換用として手軽に使えるのが便利なポイントです。”

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2%

“丁寧な日本語の説明書が同封されていて、記入された文章通りに取替を行えば、スムーズな取り付けが可能。”

快適さ-全体2%

“快適に使えて喜んでいます。”

組み立て/インストール1%

“きちんと装着でき切れ味抜群でした。”

漏れ防止1%

“刃こぼれが少なく長く使えている”

生锈/腐食する1%

“焼き入れ処理された65Mn鋼を使用しており、耐久性と切れ味のバランスが取れた仕様になっているのが特徴だと思います。”

What buyers complain about

耐久性33%

“切れ味がいいですね、ただ耐久性に少し問題が有ります。”

総合品質24%

“ゴミでした。”

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7%

“取説付きは珍しいです。”

サイズ全体7%

“チェーンは純正買いましょう. マキタのバッテリー式チェーンソーmuc355d用のを探して購入しましたが合わなかった。しかも2回も間違えた。2回目はちゃんと調べて間違わないようにしたのに”

コストパフォーマンス5%

“もう少し安いと何度も交換できるけどなぁ”

使用の容易さ5%

“使えない”

握り心地2%

“引っかかるので取り扱い注意ですね⚠️”

接着性/粘着性2%

“確かにバネ等に使用されている65Mn鋼で非常に硬いし粘りが.”

Top return reasons

サイズ全体47%
互換性-全体21%
認証11%
追加アイテム/添付ファイル5%
組み立て/インストール5%
厚み5%
機能全体5%

Common questions

Is 91px-52e profitable to sell on Amazon Japan?
The niche generates ¥3.5M/yr across 18 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -11.0%. Flapen's verdict: Worth a look (62/100).
How competitive is the 91px-52e niche?
12 brands and 52 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in 91px-52e?
Top complaints mined from reviews: 耐久性, 総合品質, 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 0.4%.
When does demand for 91px-52e peak?
Demand peaks in Dec; the busiest month runs 2.6× the quietest.
What does it cost to enter the 91px-52e niche?
Listings span ¥1086.63–¥4927.68; the average listing price is ¥2089.16 (sweet spot $15–$100). The average incumbent carries 270 reviews — the moat a new listing must climb.