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8x170 to 8x6.5 adapters

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High returns (10.5%) — this niche doesn't clear our bar today.

Market size 18Growth 42Conversion 41Competition 27Returns 6Price range 43Avg price 70Brand share 44Review moat 98Quality gap 96

Review moat

Incredible44.44

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Good$115.80

avg listing price — sweet spot $15–$100

Brand share

Okay79%

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

Price range

Okay$52.68–$163.17

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

Growth

Okay+13.7%

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

Conversion

Okay3.3%

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

Competition

Okay69%

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

Market size

Bad$71K

$71K/yr · 19K searches

Returns

Bad10.5%

return rate — above 6% kills the launch gate

Competition

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

Brands

13 rising

Sellers

19

Top-5 brand share

79%

Open market

18%

  • YIZBAP29%
  • ECCPP20%
  • SCITOO16%
  • DCVAMOUS8%
  • Youxmoto6%
  • VLAOSCHI4%
  • Open — no brand owns it (7 brands, 18%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$7K20%$14K30%$21K40%$28K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

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

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +13.7% search growth over the last 90 days.
500300Spike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.6×

Reviews

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

What buyers love

Strength50%

“Still going strong on my ford”

Instructions/User Manual/Troubleshooting25%

“just doing what the instructions said”

What buyers complain about

Quality-Overall67%

“Junk”

Wheel Quality17%

“Luckily I pulled over before the wheel came off”

Top return reasons

Size-Overall52%
Compatibility-Overall12%
Advertised Vs Actual Product9%
Defective Material/Parts7%
Functionality-Overall5%
Width2%
Wheel Quality2%
Safety Standards2%
Thickness2%
Value For Money2%