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t40 トルクス

Skip it

Pricing outside the sweet spot ($761.96 avg) — this niche doesn't clear our bar today.

Market size 64Growth 21Conversion 78Competition 26Returns 97Price range 0Avg price 0Brand share 36Review moat 70Quality gap 72

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great7.7%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good716.31

avg incumbent reviews — the moat a new listing must climb

Market size

Good¥600K

¥600K/yr · 10K searches

Brand share

Okay83%

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

Competition

Okay69%

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

Growth

Bad-7.6%

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

Avg price

Bad¥761.96

avg listing price — sweet spot $15–$100

Price range

Bad¥305.82–¥1740.03

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

According to Flapen's Amazon Japan niche tracking, t40 トルクス is a ¥600K/yr Amazon Japan market (10K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Sep. Verdict: Skip it — 48/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

t40 トルクス market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
¥381K–¥571K
units × avg price
Conversion rate
7.7%
Avg BSR
#84
Page quality
0%
Prime
94%
Sponsored
56%
Out of stock
0.0%
Avg brand age
69 months
Avg seller age
212 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

54

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

13%

  • トネ(TONE)41%
  • デイトナ(Daytona)19%
  • BESTU11%
  • SK11(エスケー11)7%
  • ベッセル(VESSEL)6%
  • Amazonベーシック(Amazon Basics)4%
  • Open — no brand owns it (5 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.6% search growth over the last 90 days.
500300Spike '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 1.7×

Top t40 トルクス 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%¥60K20%¥120K30%¥180K40%¥240K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about t40 トルクス

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

What buyers love

使用の容易さ28%

“普通に使えます”

総合品質17%

“信頼のブランド!!”

コストパフォーマンス16%

“お買い得、レンチ。”

サイズ全体8%

“ピンポイントで、このサイズが欲しい方よう。”

保管容量4%

“保管を大切に”

耐久性4%

“これは、今のところ、問題なく使えている。”

ロック機構2%

“外す・締め付けるはちゃんとできました。”

デザイン全体2%

“持った感じもいいです. メッキが厚くて ツヤツヤしていて 持ち運びで他を木津つけることがない加工になっています。”

強さ2%

“しっかりした作りで使いやすかったです。”

測定/読み取り精度2%

“工作精度も緻密で問題なく、材質も良い物の様だ。”

What buyers complain about

サイズ全体31%

“♦︎小さ過ぎる”

総合品質11%

“安いだけ”

材料の品質8%

“材質自体の強度も不足だし、精度も悪くてガタガタ。”

使用の容易さ7%

“使い慣れた人でないと難しいです”

測定/読み取り精度5%

“手頃なキーレンチでは精度がない上に差し込みが浅くなりやすく、ナメやすいのです。”

生锈/腐食する5%

“バイクのディスクローターのネジか錆びていて、それを外して磨きたいために購入したのですが、このL型タイプでは簡単に外せない感じでした。何となく曲がるか折れそう”

耐久性5%

“1回目の使用で壊れたよ. 1回目の使用で破断しました。”

厚み3%

“この太さのは嵩張るので”

硬い感覚3%

“柔らかすぎ。”

強さ3%

“かなり固そうでしたが、緩みました”

Top return reasons

サイズ全体48%
不良材料/部品10%
強さ5%
ディスプレイ全体5%
互換性-全体5%
機能全体5%
厚み5%
メカニズムの問題5%
使用の容易さ5%
生锈/腐食する5%

Common questions

Is t40 トルクス profitable to sell on Amazon Japan?
The niche generates ¥600K/yr across 16 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -7.6%. Flapen's verdict: Skip it (48/100).
How competitive is the t40 トルクス niche?
11 brands and 54 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in t40 トルクス?
Top complaints mined from reviews: サイズ全体, 総合品質, 材料の品質. The return rate is 0.6%.
When does demand for t40 トルクス peak?
Demand peaks in Sep; the busiest month runs 1.7× the quietest.
What does it cost to enter the t40 トルクス niche?
Listings span ¥305.82–¥1740.03; the average listing price is ¥761.96 (sweet spot $15–$100). The average incumbent carries 716 reviews — the moat a new listing must climb.