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shimano tourney 6/7-speed rear derailleur
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Price range
Great$14.66–$21.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.28avg listing price — sweet spot $15–$100
Review moat
Great447.78avg incumbent reviews — the moat a new listing must climb
Growth
Great+64.0%90-day search growth — must beat 0% to launch
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad84%top-5 click share — a locked-up shelf
Market size
Bad$44K$44K/yr · 27K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier