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50

pf管

Worth a look

Shows low returns (0.3%), but pricing outside the sweet spot ($2338.91 avg) keeps it on the watch list.

Market size 95Growth 42Conversion 13Competition 40Returns 98Price range 0Avg price 0Brand share 6Review moat 71Quality gap 78

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Market size

Incredible¥2.5M

¥2.5M/yr · 108K searches

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good645.23

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+13.5%

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

Competition

Okay61%

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

Conversion

Bad1.0%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

Avg price

Bad¥2338.91

avg listing price — sweet spot $15–$100

Price range

Bad¥170.13–¥8484.51

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

According to Flapen's Amazon Japan niche tracking, pf管 is a ¥2.5M/yr Amazon Japan market (108K searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 50/100.

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

pf管 market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
¥3.5M–¥4.7M
units × avg price
Conversion rate
1.0%
Avg BSR
#484
Page quality
0%
Prime
50%
Sponsored
36%
Out of stock
2.5%
Avg brand age
63 months
Avg seller age
178 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

43

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

61%

Top 20: 98%

Open market

1%

  • 未来工業48%
  • バクマ(Bakuma)28%
  • リビングマーケット12%
  • ノーブランド品7%
  • エスコ(Esco)3%
  • ZhiYo1%
  • Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +13.5% search growth over the last 90 days.
3K2KBlack Friday '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top pf管 search terms

  • pf管50K/yr
  • pf管 1629K/yr
  • cd管10K/yr
  • 電線管7K/yr
  • ミラフレキ3K/yr
  • pf 管5K/yr
All search terms

Top pf管 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%¥127K10%¥255K15%¥382K20%¥510K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about pf管

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

What buyers love

コストパフォーマンス50%

“コスパ最強”

使用の容易さ21%

“消耗品感覚で手軽に配線をしたい方には、十分おすすめできるアイテムですよ 😊”

総合品質14%

“良品です。”

サイズ全体5%

“意外と口径小さいので、延長コードでちょうど良い大きさです。”

広告と実際の製品の違い3%

“全く同じ物が届いた。”

耐久性1%

“地中に埋めて、数ヶ月経ち念の為状態を確認しましたが、数ヶ月程度では耐久性は全く問題ありません。”

1%

“ベージュ色なので、地中に埋めた後、万が一掘り起こす際も目立つ色で良いですね。”

What buyers complain about

使用の容易さ25%

“少し電線をいれにくい”

伸縮性/拡張性/弾力性17%

“真っ直ぐに伸びず”

耐久性17%

“先端部すぐ壊れて使えなくなってしまいました。”

組み立て/インストール8%

“被せていくように設置するには多少コツが必要”

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8%

“説明書ぐらい欲しいかな?”

厚み4%

“細さゆえにコシが弱く、曲がりが多い場所や長距離の通線では少し扱いづらさを感じました。”

Top return reasons

サイズ全体50%
広告と実際の製品の違い20%
厚み10%
不良材料/部品10%
強さ10%

Common questions

Is pf管 profitable to sell on Amazon Japan?
The niche generates ¥2.5M/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +13.5%. Flapen's verdict: Worth a look (50/100).
How competitive is the pf管 niche?
7 brands and 43 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in pf管?
Top complaints mined from reviews: 使用の容易さ, 伸縮性/拡張性/弾力性, 耐久性. The return rate is 0.3%.
When does demand for pf管 peak?
Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the pf管 niche?
Listings span ¥170.13–¥8484.51; the average listing price is ¥2338.91 (sweet spot $15–$100). The average incumbent carries 645 reviews — the moat a new listing must climb.