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50

wheel spacers

Worth a look

Shows a fragmented shelf (top 5 take 29% of clicks), but weak search conversion (1.3%) keeps it on the watch list.

Market size 85Growth 23Conversion 16Competition 86Returns 19Price range 20Avg price 76Brand share 37Review moat 67Quality gap 50

Competition

Great29%

top-5 click share — an open shelf

Market size

Great$1.4M

$1.4M/yr · 1.1M searches

Avg price

Great$96.30

avg listing price — sweet spot $15–$100

Review moat

Good835.32

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay83%

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

Growth

Bad-3.9%

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

Price range

Bad$12.89–$429.27

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

Returns

Bad7.4%

return rate — above 6% kills the launch gate

Conversion

Bad1.3%

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

Competition

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

Brands

19 falling

Sellers

29

Top-5 brand share

83%

Open market

14%

  • KSP PERFORMANCE30%
  • EVIL ENERGY21%
  • dynofit20%
  • Orion Motor Tech7%
  • Wheel Accessories Parts5%
  • Richeer3%
  • Open — no brand owns it (13 brands, 14%)

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%3%$43K6%$86K9%$129K12%$172K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 78 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.
25K15KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Size-Overall32%

“Fit perfectly as I wanted”

Quality-Overall30%

“Great build quality”

Assembly/Installation8%

“Easy install”

Value For Money6%

“Excellent Value”

Advertised Vs Actual Product6%

“Work as they should”

Durability3%

“Great durability”

Efficiency3%

“Works good”

Material Quality3%

“Good high quality material that seem durable and stable”

Strength2%

“They are built well”

Shape/Style1%

“I'm very pleased with the look”

What buyers complain about

Size-Overall18%

“Wont fit”

Wheel Quality17%

“my wheel fell off”

Quality-Overall9%

“Nuts provided for the spacers are JUNK”

Mounting7%

“Nuts provided for the spacers are JUNK”

Advertised Vs Actual Product7%

“wrong description for hyundai palisde xrt 2025”

Durability6%

“Bolt broke”

Compatibility-Overall4%

“Does not fit 07 Toyota FJ Cruiser”

Defective Material/Parts3%

“a bolt broke”

Assembly/Installation3%

“Incorrect Size, Impossible to Install”

Value For Money3%

“my wheel of my truck I had to pay $150 for a tow truck”

Top return reasons

Size-Overall46%
Compatibility-Overall9%
Wheel Quality7%
Thickness7%
Advertised Vs Actual Product7%
Functionality-Overall4%
Width3%
Defective Material/Parts3%
Assembly/Installation3%
Value For Money2%