8 speed chain
Skip itPrices mostly outside the sweet spot ($5.02–$13.13) — this niche doesn't clear our bar today.
Conversion
Incredible16.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,213.4avg incumbent reviews — the moat a new listing must climb
Growth
Okay+14.4%90-day search growth — must beat 0% to launch
Avg price
Bad£7.98avg listing price — sweet spot $15–$100
Competition
Bad78%top-5 click share — a locked-up shelf
Market size
Bad£46K£46K/yr · 34K searches
Brand share
Bad95%top-5 brand share — brand-locked demand
Price range
Bad£5.02–£13.13cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, 8 speed chain is a £46K/yr Amazon United Kingdom market (34K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in May. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
8 speed chain market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- £40K–£48K
- units × avg price
- Conversion rate
- 16.8%
- Avg BSR
- #27
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 60%
- Out of stock
- 4.1%
- Avg brand age
- 44 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
44
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
2%
- SHIMANO38%
- KMC35%
- ERTYUI11%
- AEYINO6%
- JJOnlineStore5%
- Huamai Trade3%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.4% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 2.0×
Top 8 speed chain search terms
- 8 speed chain18K/yr
- 7 speed chain10K/yr
- shimano 8 speed chain4K/yr
- kmc 8 speed chain3K/yr
Top 8 speed chain 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SHIMANO HG40 116 W/CL Chain - Grey 6/7/8 Speed
SHIMANO£7.934.4★6,018 rev

KMC Bike Chain Z8.3 Smooth & Quiet Bicycle Chain Quality & Highly Compatible With Chamfered Inner Plates Shifting Performance Bicycle Chain Multi-Speed Bike Chain 1/2 X 3/32 - 114 links
KMC£7.644.6★639 rev

6/7/8 Speed Bike Chain Bike Chain for Road Mountain Racing Cycling
ERTYUI£5.024.6★207 rev

KMC X8-93 - 8 Speed Silver/Grey Chain 114L
KMC£11.474.7★2,478 rev

KMC: Z7 Chain 114L - Grey
KMC£7.244.6★1,503 rev
Newest
by launch date
Huamai Trade Premium 6/7/8-Speed Bike Chain Kit(1/2 x 3/32) with Link Pliers Chain Cutter & Wear Gauge. Complete Tool Set for Mountain & Road Bike Chain Maintenance
Huamai Trade£13.134 rev

6/7/8 Speed Bike Chain Bicycle Chain 116Link Compatible with SHIMANO Silver
AEYINO£7.8521 rev

6/7/8 Speed Bike Chain Bike Chain for Road Mountain Racing Cycling
ERTYUI£5.02207 rev

TOOPRE 6/7/8-Speed Bicycle Chain 116 Links Steel High Strength Bike Derailleur Chain for 6/7/8-Gear Road Mountain Bicycle (4.9ft)
LATERN£5.93890 rev

KMC Bike Chain Z8.3 Smooth & Quiet Bicycle Chain Quality & Highly Compatible With Chamfered Inner Plates Shifting Performance Bicycle Chain Multi-Speed Bike Chain 1/2 X 3/32 - 114 links
KMC£7.64639 rev
Trending
90-day click momentum
Huamai Trade Premium 6/7/8-Speed Bike Chain Kit(1/2 x 3/32) with Link Pliers Chain Cutter & Wear Gauge. Complete Tool Set for Mountain & Road Bike Chain Maintenance
Huamai Trade£13.133.3★

6/7/8 Speed Bike Chain Bicycle Chain 116Link Compatible with SHIMANO Silver
AEYINO£7.854.4★

6/7/8 Speed Bike Chain Bike Chain for Road Mountain Racing Cycling
ERTYUI£5.024.6★

SHIMANO HG40 116 W/CL Chain - Grey 6/7/8 Speed
SHIMANO£7.934.4★

KMC X8-93 - 8 Speed Silver/Grey Chain 114L
KMC£11.474.7★
What buyers say about 8 speed chain
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“chain inside the draw string bag it is a very good price for what you get”
“Great fit”
“It has lasted longer than I was expecting”
“Product as described”
“easy to fit to keep me on the road”
“The cutter winds through the pins so cleanly I had my usual 112 link length sorted in under two minutes”
“The chain, made from carbon steel feels strong and according to the seller is rust resistant so I have faith that this will give a good servicable life span”
What buyers complain about
“It is horrible to fit”
“Broken”
“Expected quality buying the Shimano brand but extremely disappointed and would have been better buying a cheaper brand alternative.”
“Terrible product, impossible to get the links to snap together”
“horrible to remove”
“Link is bad”
“Had to bend it slightly to fit with the link closer”
“Quick and easy connecting link does NOT connect quick or easy”
“Hopefully the image shows what a joke of a product this is”
“so would not attach to the new chain”
Top return reasons
Common questions
- Is 8 speed chain profitable to sell on Amazon United Kingdom?
- The niche generates £46K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +14.4%. Flapen's verdict: Skip it (42/100).
- How competitive is the 8 speed chain niche?
- 7 brands and 44 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in 8 speed chain?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 0.7%.
- When does demand for 8 speed chain peak?
- Demand peaks in May; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 8 speed chain niche?
- Listings span £5.02–£13.13; the average listing price is £7.98 (sweet spot $15–$100). The average incumbent carries 1,213 reviews — the moat a new listing must climb.