Is asmax 空気入れ profitable to sell on Amazon Japan?

The niche generates ¥2.1M/yr across 4 tracked products. 90-day search growth is -40.2%. Flapen's verdict: Skip it (39/100).

How competitive is the asmax 空気入れ niche?

3 brands and 15 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in asmax 空気入れ?

Top complaints mined from reviews: 騒音レベル, 耐久性, 充電. The return rate is 0.6%.

When does demand for asmax 空気入れ peak?

Demand peaks in Feb–Nov; the busiest month runs 2.9× the quietest.

What does it cost to enter the asmax 空気入れ niche?

Listings span ¥2425.85–¥5675.74; the average listing price is ¥3893.02 (sweet spot $15–$100). The average incumbent carries 2,360 reviews — the moat a new listing must climb.

asmax 空気入れ

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Market size

Incredible¥2.1M

¥2.1M/yr · 15K searches

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.6%

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

Review moat

Okay2,359.5

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-40.2%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥3893.02

avg listing price — sweet spot $15–$100

Price range

Bad¥2425.85–¥5675.74

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

Signals High Price

According to Flapen's Amazon Japan niche tracking, asmax 空気入れ is a ¥2.1M/yr Amazon Japan market (15K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Nov. Verdict: Skip it — 39/100.

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

asmax 空気入れ market data

Units sold / yr: 750–1K; avg 100–250/product
Revenue / yr: ¥2.9M–¥3.9M; units × avg price
Conversion rate: 3.6%
Avg BSR: #10
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 30 months
Avg seller age: 202 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

ASMAX87%
AAL7%
Leacco7%

Demand & seasonality

Weekly Amazon search volume, last 74 weeks — -40.2% search growth over the last 90 days.

Peak months: Feb, Nov · busiest ÷ quietest = 2.9×

Open Trend

Top asmax 空気入れ search terms

asmax t106K/yr -30.9%7.0% conv.
asmax 電動空気入れ5K/yr -56.2%3.6% conv.
asmax 空気入れ4K/yr +11.3%4.3% conv.

All search terms

Top asmax 空気入れ 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

ASMAX T10 電動空気入れ自転車・バイク・車対応最大160PSI 2500mAh×3大容量バッテリー設定記憶デュアルディスプレイ空気圧検知自動停止 50cmクイックリリースホース米式・仏式・英式対応 LEDライト付き充電式エアーポンプ

ASMAX¥4992.774.2★1,189 rev

ASMAX T30 自転車空気入れ電動 120PSI 自転車エアポンプタイヤ空気圧検知ロードバイク携帯電動ポンプ小型コンパクト自動停止米式/英式/仏式全バルブ対応 LEDライト付き

ASMAX¥5675.744.1★160 rev

自転車空気入れ電動電動空気入れバイク車用コードレス 6000mAh 大容量バッテリー仏/英/米式バルブ対応自動停止低騒音エアポンプ

AAL¥2477.724.4★4,869 rev

自転車空気入れ電動空気入れバイク車仏/英/米式バルブ対応最大圧力150PSI 高速充填自動停止大容量電池

Leacco¥2425.854.1★3,220 rev

Newest

by launch date

ASMAX¥5675.74160 rev

1y ago

自転車空気入れ電動空気入れバイク車仏/英/米式バルブ対応最大圧力150PSI 高速充填自動停止大容量電池

Leacco¥2425.853,220 rev

1y ago

自転車空気入れ電動電動空気入れバイク車用コードレス 6000mAh 大容量バッテリー仏/英/米式バルブ対応自動停止低騒音エアポンプ

AAL¥2477.724,869 rev

2y ago

ASMAX¥4992.771,189 rev

2y ago

What buyers say about asmax 空気入れ

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

What buyers love

使用の容易さ31%

“お手軽さ満点”

コストパフォーマンス10%

“お手頃値段”

圧力10%

“空気圧の単位の変更など問題なし。”

コンパクトさ7%

“小さくて使いやすいです”

総合品質4%

“good gear”

持ち運びやすさ3%

“小型・パワー、コスパに優れます。”

騒音レベル3%

“音はそこそこ”

充電3%

“久々の充電タイプ。”

バッテリーの内蔵2%

“バッテリー切れてもクルマから電源取れるので問題ないです。”

耐久性2%

“長持ちしてくれれば満点ですね(^-^)”

What buyers complain about

騒音レベル26%

“会話できないレベルでうるさいわけではない”

耐久性6%

“壊れた。”

充電4%

“万充電にならない”

サイズ全体4%

“こんな小さいのに、ダダダダっとクルマのタイヤが膨らむ。”

圧力3%

“空気圧がどのタイヤを測っても255kpa”

バッテリーの内蔵3%

“電池もすぐ無くなるし”

漏れ防止3%

“空気が漏れる”

重い2%

“ちょっと重いかな”

総合品質2%

“ゴミ”

測定/読み取り精度2%

“圧力の単位がスタンドのKg表示に慣れていたのでこれはちょっと計算しないといけません。”

Top return reasons

充電16%

機能全体15%

不良材料/部品13%

騒音レベル8%

圧力7%

漏れ防止6%

使用の容易さ4%

広告と実際の製品の違い3%

サイズ全体2%

タッチ/ボタンコントロール2%

Common questions

Is asmax 空気入れ profitable to sell on Amazon Japan?: The niche generates ¥2.1M/yr across 4 tracked products. 90-day search growth is -40.2%. Flapen's verdict: Skip it (39/100).
How competitive is the asmax 空気入れ niche?: 3 brands and 15 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in asmax 空気入れ?: Top complaints mined from reviews: 騒音レベル, 耐久性, 充電. The return rate is 0.6%.
When does demand for asmax 空気入れ peak?: Demand peaks in Feb–Nov; the busiest month runs 2.9× the quietest.
What does it cost to enter the asmax 空気入れ niche?: Listings span ¥2425.85–¥5675.74; the average listing price is ¥3893.02 (sweet spot $15–$100). The average incumbent carries 2,360 reviews — the moat a new listing must climb.