---
title: "4x156 to 4x137 Wheel Adapter — $61K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/4x156-to-4x137-wheel-adapter"
last_updated: "2026-08-09T13:02:01.450Z"
locale: en
meta:
description: "Niche score 41/100 · $61K/yr market · 20K searches/yr · $112.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $61K/yr market · 20K searches/yr · $112.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "4x156 to 4x137 Wheel Adapter — $61K/yr Amazon US Niche (2026) - Flapen"
---
# **4x156 to 4x137 wheel adapter**
**Skip it**
High returns (8.5%) — this niche doesn't clear our bar today.
Market size 15Growth 23Conversion 34Competition 40Returns 13Price range 15Avg price 71Brand share 72Review moat 99Quality gap 86
**Review moat**
**Incredible****29.59**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Good****$112.02**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-3.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$61K**
$61K/yr · 20K searches
**Price range**
**Bad****$67.39–$290.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Bad****8.5%**
return rate — above 5% kills the launch gate
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** 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, 4x156 to 4x137 wheel adapter is a $61K/yr Amazon United States market (20K searches/yr). The top 5 brands hold 62% of demand. Verdict: Skip it — 41/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **4x156 to 4x137 wheel adapter market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$56K–$84K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#1,680**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **86%**
- **Out of stock**
- **10.6%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **223 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**20**
**Top-5 brand share**
**62%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 98%
**Open market**
**31%**
- Rough Country18% - ECCPP14% - Max Motosports12% - FLYCLE10% - ezaccessory8% - WeiSen7%
## **Demand**
Weekly Amazon search volume, last 31 weeks — -3.2% search growth over the last 90 days.
500300Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/automotive/4x156-to-4x137-wheel-adapter/trend)
## **Top 4x156 to 4x137 wheel adapter search terms**
- **4x156 to 4x137 wheel adapter**8K/yr-9.8%2.4% conv. - **polaris to can am wheel adapters**4K/yr+16.8%1.5% conv. - **4x137 to 4x156 wheel adapter**4K/yr-2.1%3.7% conv. - **can am to polaris wheel adapters**4K/yr-11.5%1.3% conv. [**All search terms **](https://flapen.com/research/us/automotive/4x156-to-4x137-wheel-adapter/search-terms)
## **Top 4x156 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%5%$3K10%$6K15%$9K20%$12K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Rough Country 4x156mm to 4x136/137mm Wheel Adapters for Polaris UTVs -10097**Rough Country**$86.92**4.3★125 rev](https://www.amazon.com/dp/B08WJC7LF3) [2**ECCPP 4PCS 4x137 to 4x156 Wheel Adapters 1.25in fit for 2003-2011 for Kawasaki Bayou 250| 2011-2015 for Can-Am Commander 800**ECCPP**$78.56**4.5★38 rev](https://www.amazon.com/dp/B07Y34B8R2) [3**Max Motosports 4pcs 1.25 4x156 to 4x137 ATV Wheel Adapters Spacers with 12x1.25 Studs compatible with Polaris & Yamaha**Max Motosports**$137.34**4.1★30 rev](https://www.amazon.com/dp/B077FQ9PFL) [4**FLYCLE 4x137 to 4x156 Wheel Adapters 1.5 inch 4x137mm to 4x156mm Forged ATV UTV Wheel Adapter for Maverick X3 Talon 1000R 1000X with 12x1.5 Studs 110mm Hub Bore**FLYCLE**$106.47**4.4★58 rev](https://www.amazon.com/dp/B0C6LVMX4F) [5**SCITOO 4X 4x137 to 4x156 12x1.5 110 1 Wheel Spacers fits for 2011-2016 for Can-Am Commander 1000 2011-2015 for Can-Am Commander 800**SCITOO**$67.39**4.5★42 rev](https://www.amazon.com/dp/B07Y33V3CY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EVIL ENERGY 4x137 to 4x156 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 110 Hub Bore M12x1.5 Stud Not Hubcentric Black**EVIL ENERGY**$73.28**2 rev5mo ago](https://www.amazon.com/dp/B0GJT1S79M) [**EVIL ENERGY 4x137 to 4x156 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 110 Hub Bore M12x1.5 Stud Not Hubcentric Silver**EVIL ENERGY**$71.26**2 rev5mo ago](https://www.amazon.com/dp/B0GJSS4GXB) [**ROMELACK 2PCS 1.25 Wheel Spacer Adapters 4x156mm to 4x137mm Compatible with Polaris RZR Ranger Sportsman Scrambler Xpedition Xplorer Fit Yamaha YFB YFM YFZ Fit Kawasaki Lakota Mojave Tecate 1985-2011**ROMELACK**$111.82**1 rev1y ago](https://www.amazon.com/dp/B0FG7S9H99) [**4 Pcs 1 Wheel Spacer Adapters 4x156 to 4x137 Fit Polaris RZR Ranger Sportsman Fit Scrambler Magnum Outlaw Xpedition Xplorer Xpress Fit Yamaha YFB YFM YFZ YTM Fit Kawasaki Lakota Mojave Tecate**ROMELACK**$129.80**0 rev1y ago](https://www.amazon.com/dp/B0FG7RFK1Y) [**VLAOSCHI Black Forged 4x156 to 4x137 Wheel Adapters 2 Inch 3/8-24 Studs Compatible with Polaris Kawasaki 4 Lug 4/156 to 4/137 Rims for Ranger Sportsman 400 500 600 700 KSF 250 RZR XP - Pack of 4**VLAOSCHI**$165.40**2 rev1y ago](https://www.amazon.com/dp/B0F8J1223J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**EVIL ENERGY 4x137 to 4x156 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 110 Hub Bore M12x1.5 Stud Not Hubcentric Silver**EVIL ENERGY**$71.26**4.5★**▲ 234%**](https://www.amazon.com/dp/B0GJSS4GXB) [**EVIL ENERGY 4x137 to 4x156 Wheel Adapters Compatible with EZGO EZ GO Golf Cart Club Car ATV 1 inch Lug Centric 4 pcs Wheel Spacers with 110 Hub Bore M12x1.5 Stud Not Hubcentric Black**EVIL ENERGY**$73.28**4.5★**▲ 234%**](https://www.amazon.com/dp/B0GJT1S79M) [**4 Pcs 1 Wheel Spacer Adapters 4x156 to 4x137 Fit Polaris RZR Ranger Sportsman Fit Scrambler Magnum Outlaw Xpedition Xplorer Xpress Fit Yamaha YFB YFM YFZ YTM Fit Kawasaki Lakota Mojave Tecate**ROMELACK**$129.80**0.0★**▲ 161%**](https://www.amazon.com/dp/B0FG7RFK1Y) [**VLAOSCHI Black Forged 4x156 to 4x137 Wheel Adapters 2 Inch 3/8-24 Studs Compatible with Polaris Kawasaki 4 Lug 4/156 to 4/137 Rims for Ranger Sportsman 400 500 600 700 KSF 250 RZR XP - Pack of 4**VLAOSCHI**$165.40**3.0★**▲ 131%**](https://www.amazon.com/dp/B0F8J1223J) [**YHTAUTO 4x137mm to 4x156mm Wheel Adapters 1.25 inch Fits Bombardier Can-Am Kawasaki Models Forged Wheel adapters 1.25 inch with M12x1.5 Studs 110mm Center Bore Not Hubcentric 4PCS Black**YHTAUTO**$108.16**4.0★**▲ 117%**](https://www.amazon.com/dp/B0CB838JWM)
**~~View all trending →~~**
## **What buyers say about 4x156 to 4x137 wheel adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**53%
*“overall theyve performed better than expected for the price”*
**Size-Overall**22%
*“Good fit”*
**Advertised Vs Actual Product**6%
*“Just right”*
**Strength**6%
*“Very strong”*
**Tread Pattern Pitch**6%
*“Great for changing tires on my sxs with different bolts pattern”*
**Value For Money**3%
*“overall theyve performed better than expected for the price”*
**Assembly/Installation**3%
*“Installation was straightforward”*
### **What buyers complain about **
**Wheel Quality**50%
*“one of the wheel studs threads were messed up straight from the box”*
**Advertised Vs Actual Product**50%
*“Not as described”*
### **Top return reasons **
**Size-Overall**51%
**Compatibility-Overall**15%
**Advertised Vs Actual Product**13%
**Wheel Quality**5%
**Functionality-Overall**5%
**Thickness**5%
**Defective Material/Parts**3%
**Value For Money**2%
**Add-Ons/Attachments**1%
**Product Condition**1%
## **Common questions**
- **Is 4x156 to 4x137 wheel adapter profitable to sell on Amazon United States?**
- The niche generates $61K/yr across 22 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.2%. Flapen's verdict: Skip it (41/100).
- **How competitive is the 4x156 to 4x137 wheel adapter niche?**
- 14 brands and 20 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in 4x156 to 4x137 wheel adapter?**
- Top complaints mined from reviews: Wheel Quality, Advertised Vs Actual Product. The return rate is 8.5% — above our launch gate.
- **What does it cost to enter the 4x156 to 4x137 wheel adapter niche?**
- Listings span $67.39–$290.89; the average listing price is $112.02 (sweet spot $15–$100). The average incumbent carries 30 reviews — the moat a new listing must climb.
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