--- title: "40 chain — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/40-chain" last_updated: "2026-07-09T23:45:15.164Z" locale: en meta: description: "a small market ($85K/yr) — 40 chain doesn't clear our bar today." "og:description": "a small market ($85K/yr) — 40 chain doesn't clear our bar today." "og:title": "40 chain — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen" --- Back to Flapen home # **40 chain** **Skip it****40/100 ** a small market ($85K/yr) — 40 chain doesn't clear our bar today. **Market/yr** **$85K** **Growth (1y)** **+149.4%** **Products** **16** **Brands** **9** was 9 a year ago **Sellers** **13** **Price range** **$8.52–$25.70** **Returns** **2.4%** **Rating** **4.5★** **Skip it** Scored 40/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **4** ×0.30 Growth **71** ×0.30 Competition **28** ×0.20 Quality gap **38** ×0.10 Returns **81** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +149.4% year over year. 1K629.5Spike '24Spike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.3× ## **Competition** - PGN Bearings40% - AZSSMUK17% - Belleone13% - Jeremywell10% - LCPQMZGH9% - findmall5% - Other (3 brands)7% The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack. 9 brands and 13 sellers compete here. **Brands** **9 **—flat was 9 a year ago **Sellers** **13** **Top 5 brand share** **89%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![PGN #40 Roller Chain - 10 Feet + 2 Free Connecting Links - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 239 Links](https://m.media-amazon.com/images/I/41tX6pqpl1L.jpg) [**PGN #40 Roller Chain - 10 Feet + 2 Free Connecting Links - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 239 Links**](https://www.amazon.com/dp/B07NPSZCK6) PGN Bearings$24.364.6★2,16131%—flat 2 ![AZSSMUK 08A 40# Roller Chain - 5 Feet 40Mn Carbon Steel Material with 1 Connecting for Go Kart Mini Bike Chain Replacement](https://m.media-amazon.com/images/I/5103GPxRYNL.jpg) [**AZSSMUK 08A 40# Roller Chain - 5 Feet 40Mn Carbon Steel Material with 1 Connecting for Go Kart Mini Bike Chain Replacement**](https://www.amazon.com/dp/B079L72M2V) AZSSMUK$14.324.7★16817%▼falling 3 ![Belleone #40 Roller Chain - 10 Feet #40 Chain with 5 Connecting Links for Go Karts Mini Bikes Scooters Motorcycles Bycicles ATV MTV Dirt Bike and Other Industrial Machinery - 240 Links](https://m.media-amazon.com/images/I/51UHJd-pl2L.jpg) [**Belleone #40 Roller Chain - 10 Feet #40 Chain with 5 Connecting Links for Go Karts Mini Bikes Scooters Motorcycles Bycicles ATV MTV Dirt Bike and Other Industrial Machinery - 240 Links**](https://www.amazon.com/dp/B083JWPN25) Belleone$25.704.6★39711%▼falling 4 ![PGN #40 Roller Chain - 3 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 71 Links](https://m.media-amazon.com/images/I/41sET3-UlKL.jpg) [**PGN #40 Roller Chain - 3 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 71 Links**](https://www.amazon.com/dp/B07NPT53D4) PGN Bearings$13.264.5★6176%▲rising 5 ![Jeremywell 40 Roller Chain 5 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery](https://m.media-amazon.com/images/I/41N8tqoxtIL.jpg) [**Jeremywell 40 Roller Chain 5 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery**](https://www.amazon.com/dp/B018UWAXAQ) Jeremywell$15.264.6★8956%▲rising 6 ![findmall 40 Roller Chain 10 Feet with 2 Connecting Links Fit for Go Kart and Mini Bike](https://m.media-amazon.com/images/I/418CGvkoGRL.jpg) [**findmall 40 Roller Chain 10 Feet with 2 Connecting Links Fit for Go Kart and Mini Bike**](https://www.amazon.com/dp/B07ZLX6WJF) findmall$17.464.4★2215%▼falling 7 ![LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Pink](https://m.media-amazon.com/images/I/41Zy9B7GSGL.jpg) [**LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Pink**](https://www.amazon.com/dp/B0DHSRYLNV) LCPQMZGH$9.734.4★634%▲rising 8 ![LANBEIDE 40 Packs 10 Colors Brass Necklace Chains 21 Inch Link Cable Chain Necklace with Lobster Clasps Bulk for Jewelry Making](https://m.media-amazon.com/images/I/516qTx0KpHL.jpg) [**LANBEIDE 40 Packs 10 Colors Brass Necklace Chains 21 Inch Link Cable Chain Necklace with Lobster Clasps Bulk for Jewelry Making**](https://www.amazon.com/dp/B083QGB6JZ) LANBEIDE$19.734.4★1,3753%▲rising 9 ![LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Silver](https://m.media-amazon.com/images/I/41QHJgnAddL.jpg) [**LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Silver**](https://www.amazon.com/dp/B0DHSQJ8N1) LCPQMZGH$9.394.4★633%▲rising 10 ![Jeremywell 40 Roller Chain 10 Feet with 2 Connecting Links for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery](https://m.media-amazon.com/images/I/41+LdhjwQML.jpg) [**Jeremywell 40 Roller Chain 10 Feet with 2 Connecting Links for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery**](https://www.amazon.com/dp/B018WGY7D4) Jeremywell$21.314.7★5053%▼falling 11 ![Jeremywell 40 Roller Chain 3 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery](https://m.media-amazon.com/images/I/41N8tqoxtIL.jpg) [**Jeremywell 40 Roller Chain 3 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery**](https://www.amazon.com/dp/B01B8E0VBY) Jeremywell$13.454.6★8952%▼falling 12 ![LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Purple](https://m.media-amazon.com/images/I/41XQtQwvDKL.jpg) [**LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Purple**](https://www.amazon.com/dp/B0DHSQMYHD) LCPQMZGH$9.494.4★632%▲rising 13 ![PGN #40 Roller Chain - 5 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 119 Links](https://m.media-amazon.com/images/I/41sET3-UlKL.jpg) [**PGN #40 Roller Chain - 5 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 119 Links**](https://www.amazon.com/dp/B07NPT7HBN) PGN Bearings$16.024.6★4692%▲rising 14 ![iJewelry2 Black Silk Satin Silver Clasp Cord Chain Necklace 14 16 18 20 22 24 30 36 40-14](https://m.media-amazon.com/images/I/21mx1iqXgTL.jpg) [**iJewelry2 Black Silk Satin Silver Clasp Cord Chain Necklace 14 16 18 20 22 24 30 36 40-14**](https://www.amazon.com/dp/B004PQUD3E) iJewelry2$8.524.1★7392%▲rising 15 ![Belleone 40 Roller Chain 5 Feet with 5 Free Connecting Links Carbon Steel Drive Chain for Mini Bike Go-Kart Scooter Snow Thrower Dirt Bike Bicycle ATV MTV and Other Machinery - 120 Links](https://m.media-amazon.com/images/I/51NmkrlPg9L.jpg) [**Belleone 40 Roller Chain 5 Feet with 5 Free Connecting Links Carbon Steel Drive Chain for Mini Bike Go-Kart Scooter Snow Thrower Dirt Bike Bicycle ATV MTV and Other Machinery - 120 Links**](https://www.amazon.com/dp/B0CRYVND9Z) Belleone$18.724.6★362%▲rising **~~Showing 15 of 16 — show all ~~** ## **Product shelf** All 16 tracked products in this niche. Top sellersNewestTrending [![PGN #40 Roller Chain - 10 Feet + 2 Free Connecting Links - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 239 Links](https://m.media-amazon.com/images/I/41tX6pqpl1L.jpg)**PGN #40 Roller Chain - 10 Feet + 2 Free Connecting Links - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 239 Links** PGN Bearings**$24.36**4.6★2,161 reviews](https://www.amazon.com/dp/B07NPSZCK6) [![AZSSMUK 08A 40# Roller Chain - 5 Feet 40Mn Carbon Steel Material with 1 Connecting for Go Kart Mini Bike Chain Replacement](https://m.media-amazon.com/images/I/5103GPxRYNL.jpg)**AZSSMUK 08A 40# Roller Chain - 5 Feet 40Mn Carbon Steel Material with 1 Connecting for Go Kart Mini Bike Chain Replacement** AZSSMUK**$14.32**4.7★168 reviews](https://www.amazon.com/dp/B079L72M2V) [![Belleone #40 Roller Chain - 10 Feet #40 Chain with 5 Connecting Links for Go Karts Mini Bikes Scooters Motorcycles Bycicles ATV MTV Dirt Bike and Other Industrial Machinery - 240 Links](https://m.media-amazon.com/images/I/51UHJd-pl2L.jpg)**Belleone #40 Roller Chain - 10 Feet #40 Chain with 5 Connecting Links for Go Karts Mini Bikes Scooters Motorcycles Bycicles ATV MTV Dirt Bike and Other Industrial Machinery - 240 Links** Belleone**$25.70**4.6★397 reviews](https://www.amazon.com/dp/B083JWPN25) [![PGN #40 Roller Chain - 3 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 71 Links](https://m.media-amazon.com/images/I/41sET3-UlKL.jpg)**PGN #40 Roller Chain - 3 Feet + Free Connecting Link - Carbon Steel Chains for Bycicles Mini Bikes Motorcycles Go-Karts Home and Industrial Machinery - 71 Links** PGN Bearings**$13.26**4.5★617 reviews](https://www.amazon.com/dp/B07NPT53D4) [![Jeremywell 40 Roller Chain 5 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery](https://m.media-amazon.com/images/I/41N8tqoxtIL.jpg)**Jeremywell 40 Roller Chain 5 Feet with 1 Connecting Link for Go Karts Mini Bikes Scooters ATV MTV Dirt Bike and Other Industrial Machinery** Jeremywell**$15.26**4.6★895 reviews](https://www.amazon.com/dp/B018UWAXAQ) [![findmall 40 Roller Chain 10 Feet with 2 Connecting Links Fit for Go Kart and Mini Bike](https://m.media-amazon.com/images/I/418CGvkoGRL.jpg)**findmall 40 Roller Chain 10 Feet with 2 Connecting Links Fit for Go Kart and Mini Bike** findmall**$17.46**4.4★221 reviews](https://www.amazon.com/dp/B07ZLX6WJF) [![LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Pink](https://m.media-amazon.com/images/I/41Zy9B7GSGL.jpg)**LCPQMZGH Plastic Hip Hop Chain Necklace 80s 90s Costume Accessory Mens Chunky Necklace Big Chunky Gold Chain 40 Pink** LCPQMZGH**$9.73**4.4★63 reviews](https://www.amazon.com/dp/B0DHSRYLNV) [![LANBEIDE 40 Packs 10 Colors Brass Necklace Chains 21 Inch Link Cable Chain Necklace with Lobster Clasps Bulk for Jewelry Making](https://m.media-amazon.com/images/I/516qTx0KpHL.jpg)**LANBEIDE 40 Packs 10 Colors Brass Necklace Chains 21 Inch Link Cable Chain Necklace with Lobster Clasps Bulk for Jewelry Making** LANBEIDE**$19.73**4.4★1,375 reviews](https://www.amazon.com/dp/B083QGB6JZ) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**24% *“Quality Chain”* **Advertised Vs Actual Product**21% *“gets job done”* **Size-Overall**14% *“Fit perfect”* **Value For Money**7% *“Great Value”* **Ease Of Use**5% *“easy to use”* **Weight Light**5% *“Lightweight”* **Durability**5% *“Its held up nicely over time”* **Stretchability/Expandability/Elasticity**5% *“they work well without stretching or breaking”* **Strength**2% *“is very strong”* **Design-Overall**2% *“Love the design of them”* ### **What buyers complain about ** **Quality-Overall**50% *“Cheap JUNK”* **Weight Heavy**33% *“it just isn't as heavy duty as the original. See video”* #### **Top return reasons**- Size-Overall63% - Advertised Vs Actual Product10% - Compatibility-Overall4% - Defective Material/Parts4% - Functionality-Overall3% - Quality-Overall3% - Color2% - Value For Money2% - Durability1% - Thickness1%