---
title: "4x110 to 4x137 Wheel Adapter — $75K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/4x110-to-4x137-wheel-adapter"
last_updated: "2026-08-09T13:01:46.370Z"
locale: en
meta:
description: "Niche score 45/100 · $75K/yr market · 25K searches/yr · $86.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $75K/yr market · 25K searches/yr · $86.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "4x110 to 4x137 Wheel Adapter — $75K/yr Amazon US Niche (2026) - Flapen"
---
# **4x110 to 4x137 wheel adapter**
**Skip it**
High returns (7.0%) — this niche doesn't clear our bar today.
Market size 19Growth 35Conversion 43Competition 49Returns 18Price range 56Avg price 80Brand share 64Review moat 98Quality gap 52
**Review moat**
**Incredible****31.54**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$86.27**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$32.55–$153.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+7.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$75K**
$75K/yr · 25K searches
**Returns**
**Bad****7.0%**
return rate — above 5% kills the launch gate
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 4x110 to 4x137 wheel adapter is a $75K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 67% of demand. Verdict: Skip it — 45/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **4x110 to 4x137 wheel adapter market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$65K–$86K**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#1,470**
- **Page quality**
- **0%**
- **Prime**
- **79%**
- **Sponsored**
- **92%**
- **Out of stock**
- **13.6%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **218 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**67%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 95%
**Open market**
**26%**
- Aeagle22% - FLYCLE13% - ECCPP13% - YHTAUTO10% - SCITOO9% - ROMELACK8%
## **Demand**
Weekly Amazon search volume, last 23 weeks — +7.7% search growth over the last 90 days.
800600Spike '26Feb '26Feb '26Mar '26Apr '26Apr '26May '26Jun '26Jun '26
[**Open Trend **](https://flapen.com/research/us/automotive/4x110-to-4x137-wheel-adapter/trend)
## **Top 4x110 to 4x137 wheel adapter search terms**
- **4x110 to 4x137 wheel adapter**9K/yr+7.3%4.1% conv. - **honda to can am wheel adapters**5K/yr+1.9%1.8% conv. - **4/110 to 4/137 wheel adapter**4K/yr+8.4%2.1% conv. - **4x137 to 4x110 wheel adapter**4K/yr+11.2%2.5% conv. - **4x110 to 4x137 wheel adapters**3K/yr+12.4%2.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/4x110-to-4x137-wheel-adapter/search-terms)
## **Top 4x110 to 4x137 wheel adapter 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.
0%10%$8K20%$15K30%$23K40%$30K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Aeagle 4X110 to 4x137 Wheel Adapters 1 for Honda Yamaha Suzuki Forged 4 Lug Wheel Spacers with 10mmx1.25 Studs 77.8mm Bore Rancher Foreman TRX YEM 250 350 400 450 4PCS**Aeagle**$83.73**4.3★43 rev](https://www.amazon.com/dp/B0CRCW7HR7) [2**4x110 to 4x137 Wheel Adapters 1.5 inch 4x110mm to 4x137mm ATV UTV Wheel Adapter with 10x1.25 Studs 74mm Hub Bore Compatible with Rancher Foreman Grizzly Big Bear 300 350 400 King Quad 450 500 700**FLYCLE**$98.10**4.4★58 rev](https://www.amazon.com/dp/B0CR189ZD4) [3**SCITOO 2Pcs Wheel Adapters 0.75 inch 4x110 to 4x137 Bore 74mm Studs 10x1.25 4 Lug Wheel Spacers Adapters Fit for Honda ATC250R TRX300 FourTrax TRX300FW FourTrax 4x4**SCITOO**$32.55**4.4★65 rev](https://www.amazon.com/dp/B07WT21P5S) [4**ECCPP 4 Lug 3/4 20mm Wheel Adapters 4x110 to 4x137 74mm with 10x1.25 Studs Fit for 2014-2016 for Honda for TRX500FE1 FourTrax Foreman| 2014-2017 for Honda for TRX500FE2**ECCPP**$68.62**4.2★56 rev](https://www.amazon.com/dp/B07WN4WVPJ) [5**ROMELACK 4PCS 1.5 Wheel Spacer Adapters 4x137mm to 4x110mm For Can Am**ROMELACK**$97.82**5.0★1 rev](https://www.amazon.com/dp/B0FG7VXQ26)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WeiSen 2pcs 1 4x137 to 4x110 Wheel Adapters with M10 x 1.25 Stud & 82.5mm Hub Bore Wheel Adapters Compatible with Bombardier Fit Can-Am Fit Kawasaki**WeiSen**$59.10**0 rev2mo ago](https://www.amazon.com/dp/B0GZNSLK8D) [**WeiSen 4Pcs 1 4x110 to 4x137 Wheel Adapter with M10 x 1.25 Stud & 74mm Hub Bore for UTV/ATV Wheel Adapters Compatible with Can Am Maverick Outlander Commander**WeiSen**$90.62**0 rev2mo ago](https://www.amazon.com/dp/B0GZNMTDJ5) [**EVIL ENERGY 4x137 to 4x110 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 82.5 Hub Bore M10x1.25 Stud Not Hubcentric Black**EVIL ENERGY**$80.59**1 rev5mo ago](https://www.amazon.com/dp/B0GJSX2GCV) [**ROMELACK 4PCS 1.5 Wheel Spacer Adapters 4x137mm to 4x110mm For Can Am**ROMELACK**$97.82**1 rev1y ago](https://www.amazon.com/dp/B0FG7VXQ26) [**ROMELACK 4x137mm to 4x110mm 1 Wheel Spacer Adapters Aluminum Fit Can Am Maverick Outlander Commander Renegade 400 500 650 800 1000 Fit Bombardier Outlander Fit Kawasaki Bayou Brute Force 1985-2016**ROMELACK**$113.81**0 rev1y ago](https://www.amazon.com/dp/B0FG7W1Y72)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WeiSen 2pcs 1 4x137 to 4x110 Wheel Adapters with M10 x 1.25 Stud & 82.5mm Hub Bore Wheel Adapters Compatible with Bombardier Fit Can-Am Fit Kawasaki**WeiSen**$59.10**0.0★**▲ 200%**](https://www.amazon.com/dp/B0GZNSLK8D) [**EVIL ENERGY 4x137 to 4x110 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 82.5 Hub Bore M10x1.25 Stud Not Hubcentric Black**EVIL ENERGY**$80.59**5.0★**▲ 198%**](https://www.amazon.com/dp/B0GJSX2GCV) [**ROMELACK 4x137mm to 4x110mm 1 Wheel Spacer Adapters Aluminum Fit Can Am Maverick Outlander Commander Renegade 400 500 650 800 1000 Fit Bombardier Outlander Fit Kawasaki Bayou Brute Force 1985-2016**ROMELACK**$113.81**0.0★**▲ 196%**](https://www.amazon.com/dp/B0FG7W1Y72) [**WeiSen 4Pcs 1 4x110 to 4x137 Wheel Adapter with M10 x 1.25 Stud & 74mm Hub Bore for UTV/ATV Wheel Adapters Compatible with Can Am Maverick Outlander Commander**WeiSen**$90.62**0.0★**▲ 195%**](https://www.amazon.com/dp/B0GZNMTDJ5) [**ezaccessory 4 Billet Wheel Adapters 4x137 to 4x110 | Fits Many John Deere Gator UTV & Mount Wheels from Honda ATV FourTrax Rancher Wheels | 1 Thickness**ezaccessory**$153.34**4.5★**▲ 189%**](https://www.amazon.com/dp/B07GBH8JGV)
**~~View all trending →~~**
## **What buyers say about 4x110 to 4x137 wheel adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**31%
*“Worked as should”*
**Size-Overall**21%
*“Fit great”*
**Quality-Overall**9%
*“Good quality”*
**Durability**6%
*“No problems after months”*
**Adjustability/Rotatability/Reclining**6%
*“They fit with adjustments”*
**Value For Money**6%
*“Good deal”*
**Assembly/Installation**3%
*“Installation was straightforward”*
**Design-Overall**3%
*“Build quality looks solid”*
**Material Quality**3%
*“The studs are solid”*
### **What buyers complain about **
**Size-Overall**67%
*“dont fit out of box”*
### **Top return reasons **
**Size-Overall**58%
**Advertised Vs Actual Product**9%
**Thickness**9%
**Wheel Quality**5%
**Compatibility-Overall**5%
**Defective Material/Parts**5%
**Assembly/Installation**2%
**Socket/Port/Plug**1%
**Motor Issues**1%
**Strength**1%
## **Common questions**
- **Is 4x110 to 4x137 wheel adapter profitable to sell on Amazon United States?**
- The niche generates $75K/yr across 24 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +7.7%. Flapen's verdict: Skip it (45/100).
- **How competitive is the 4x110 to 4x137 wheel adapter niche?**
- 14 brands and 20 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in 4x110 to 4x137 wheel adapter?**
- Top complaints mined from reviews: Size-Overall. The return rate is 7.0% — above our launch gate.
- **What does it cost to enter the 4x110 to 4x137 wheel adapter niche?**
- Listings span $32.55–$153.34; the average listing price is $86.27 (sweet spot $15–$100). The average incumbent carries 32 reviews — the moat a new listing must climb.
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