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75

チップソー 255mm

Launch it

A $2.3M/yr market growing +363.4% this quarter with returns at 0.2% — clears our launch bar.

Market size 95Growth 100Conversion 34Competition 79Returns 99Price range 0Avg price 0Brand share 63Review moat 93Quality gap 97

Growth

Incredible+363.4%

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

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Market size

Incredible¥2.3M

¥2.3M/yr · 35K searches

Review moat

Great143.5

avg incumbent reviews — the moat a new listing must climb

Competition

Great36%

top-5 click share — an open shelf

Brand share

Good67%

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

Conversion

Okay2.7%

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

Avg price

Bad¥2367.84

avg listing price — sweet spot $15–$100

Price range

Bad¥607.98–¥6910.74

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

According to Flapen's Amazon Japan niche tracking, チップソー 255mm is a ¥2.3M/yr Amazon Japan market (35K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in May–Jun–Jul–Aug–Sep. Verdict: Launch it — 75/100.

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

チップソー 255mm market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
¥3.0M–¥3.6M
units × avg price
Conversion rate
2.7%
Avg BSR
#199
Page quality
0%
Prime
90%
Sponsored
83%
Out of stock
4.8%
Avg brand age
79 months
Avg seller age
173 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

21 falling

Sellers

88

Top-5 brand share

67%

Top 20: 99%

Top-5 click share

36%

Top 20: 80%

Open market

29%

  • 山善(YAMAZEN)34%
  • TAKAGI13%
  • 農業屋9%
  • セフティー3(Safety-3)6%
  • 三陽金属(Sanyo Metal)4%
  • 津村鋼業4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +363.4% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 15.0×

Top チップソー 255mm 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%3%¥68K6%¥136K9%¥204K12%¥272K1101001K 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 チップソー 255mm

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

What buyers love

コストパフォーマンス31%

“金額なりです。”

耐久性22%

“耐久性”

総合品質15%

“良品です”

軽い7%

“軽量、切れ味良い”

使用の容易さ7%

“めちゃくちゃ使えます”

鋭さ4%

“切れ味がよく飛び石が少ない”

セキュリティ3%

“安心できます。”

柔らかい感触2%

“背丈のない、しなるようなとても柔らかい草など、一般のチップソーではやや苦手とするような草を刈るのに適していると思います。”

効率2%

“作業環境と扱い方にもよると思いますが確かに石に強いと思います。”

1%

“色もなかなか良いので草刈りのモチベーションも少しはある。”

What buyers complain about

耐久性26%

“耐久性に難あり”

総合品質18%

“ゴミで”

コストパフォーマンス12%

“値段なりです”

機能全体11%

“使えない. チップがすぐに飛んで無くなります。”

強さ9%

“ペラペラですぐ刃が曲がりチップも無くなってダメになる”

柔軟性4%

“重くて刃が曲がることが予想される。”

充電3%

“充電式刈払い機に 軽量で良く切れ刃こぼれも 充電式はパワーがないのでそれ程ない 充電式で軽い草刈りは良い商品”

サイズ全体3%

“チップが小さく飛びやすいので作業には注意されたし”

硬い感覚3%

“石とか硬いものが有る場所には適さない”

ペイントの品質1%

“黒の塗装はすぐに剥げ始めました。”

Top return reasons

サイズ全体64%
広告と実際の製品の違い18%
追加アイテム/添付ファイル7%
機能全体5%
漏れ防止5%
不良材料/部品2%

Common questions

Is チップソー 255mm profitable to sell on Amazon Japan?
The niche generates ¥2.3M/yr across 42 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +363.4%. Flapen's verdict: Launch it (75/100).
How competitive is the チップソー 255mm niche?
21 brands and 88 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in チップソー 255mm?
Top complaints mined from reviews: 耐久性, 総合品質, コストパフォーマンス. The return rate is 0.2%.
When does demand for チップソー 255mm peak?
Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 15.0× the quietest.
What does it cost to enter the チップソー 255mm niche?
Listings span ¥607.98–¥6910.74; the average listing price is ¥2367.84 (sweet spot $15–$100). The average incumbent carries 144 reviews — the moat a new listing must climb.