---
title: "st145r12 trailer tire — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/st145r12-trailer-tire"
last_updated: "2026-07-14T03:48:23.671Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — st145r12 trailer tire doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — st145r12 trailer tire doesn't clear our bar today."
  "og:title": "st145r12 trailer tire — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen"
---

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# **st145r12 trailer tire**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 29Growth 90Conversion 44Competition 19Returns 100Price range 20Avg price 64Brand share 0Review moat 95Quality gap 19

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****109.25**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Great****+96.7%**

90-day search growth — must beat 0% to launch

**Avg price**

**Good****$134.14**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.5%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Okay****$127K**

$127K/yr · 27K searches

**Price range**

**Bad****$65.85–$240.21**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**4 **▼falling

**Sellers**

**22**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- eCustomRim89% - Carlisle5% - Kenda4% - Taskmaster Components2%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$13K20%$25K30%$38K40%$51K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 12 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/518iGdX7a+L.jpg)**eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$164.93**4.6★97 rev](https://www.amazon.com/dp/B0CJHB3BRG) [2![eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E](https://m.media-amazon.com/images/I/51qtbxrdmoL.jpg)**eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E**eCustomRim**$112.01**4.5★190 rev](https://www.amazon.com/dp/B01L0P3YKQ) [3![eCustomrim Trailer Tire On Rim ST145R12 12 Inch Radial 145/R12 12 Inch Load D 5-4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/51ACTrEQzhL.jpg)**eCustomrim Trailer Tire On Rim ST145R12 12 Inch Radial 145/R12 12 Inch Load D 5-4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$100.70**4.5★70 rev](https://www.amazon.com/dp/B0CRKRDV4B) [4![eCustomrim 2-Pack Aluminum 5 Lug Trailer Wheel 145/R12 Radial Load D Tire 12 Inch Black Rim ST145/R12-6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/51vZF7t8+9L.jpg)**eCustomrim 2-Pack Aluminum 5 Lug Trailer Wheel 145/R12 Radial Load D Tire 12 Inch Black Rim ST145/R12-6 Year Warranty w/Roadside**eCustomRim**$240.21**4.8★154 rev](https://www.amazon.com/dp/B0CFDN9WML) [5![eCustomrim 2-Pack Trailer Tire Rim ST145/R12 12 Inch Radial Load E 5 Lug Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/518iGdX7a+L.jpg)**eCustomrim 2-Pack Trailer Tire Rim ST145/R12 12 Inch Radial Load E 5 Lug Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$207.58**4.6★142 rev](https://www.amazon.com/dp/B087W21CQP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Taskmaster Rambler Radial Tire-ST145R12 145X12 145-12 Load Range D LRD 8-Ply BSW Black Side Wall](https://m.media-amazon.com/images/I/51GoDKUL0yL.jpg)**Taskmaster Rambler Radial Tire-ST145R12 145X12 145-12 Load Range D LRD 8-Ply BSW Black Side Wall**Taskmaster Components**$78.49**0 rev5mo ago](https://www.amazon.com/dp/B0GL2B6N7X) [![eCustomrim ST145/R12 145/R12 DEEP TREAD Radial Trailer Tire Load Range E](https://m.media-amazon.com/images/I/41bZuVi1g2L.jpg)**eCustomrim ST145/R12 145/R12 DEEP TREAD Radial Trailer Tire Load Range E**eCustomRim**$65.85**23 rev2y ago](https://www.amazon.com/dp/B0CTJ5X64Z) [![eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E](https://m.media-amazon.com/images/I/51qtbxrdmoL.jpg)**eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E**eCustomRim**$112.01**190 rev5y ago](https://www.amazon.com/dp/B01L0P3YKQ) [![ST145R12 LRE 10 PR Kenda Karrier Radial Trailer Tire](https://m.media-amazon.com/images/I/41-h9Kyb9bL.jpg)**ST145R12 LRE 10 PR Kenda Karrier Radial Trailer Tire**Kenda**$75.03**14 rev13y ago](https://www.amazon.com/dp/B00D5XDW72) [![eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/518iGdX7a+L.jpg)**eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$164.93**97 rev14y ago](https://www.amazon.com/dp/B0CJHB3BRG)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Taskmaster Rambler Radial Tire-ST145R12 145X12 145-12 Load Range D LRD 8-Ply BSW Black Side Wall](https://m.media-amazon.com/images/I/51GoDKUL0yL.jpg)**Taskmaster Rambler Radial Tire-ST145R12 145X12 145-12 Load Range D LRD 8-Ply BSW Black Side Wall**Taskmaster Components**$78.49**0.0★**▲ 95%**](https://www.amazon.com/dp/B0GL2B6N7X) [![eCustomrim 4-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E](https://m.media-amazon.com/images/I/514F4+P6ouL.jpg)**eCustomrim 4-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E**eCustomRim**$210.50**5.0★**▲ 71%**](https://www.amazon.com/dp/B0DZ8QRSCN) [![eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E](https://m.media-amazon.com/images/I/51qtbxrdmoL.jpg)**eCustomrim 2-Pack ST145/R12 DEEP TREAD Radial Trailer Tire Load Range E**eCustomRim**$112.01**4.5★**▲ 24%**](https://www.amazon.com/dp/B01L0P3YKQ) [![eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/518iGdX7a+L.jpg)**eCustomrim 2-Pack Radial Trailer Tire Rim ST145R12 12 Inch ST145/R12 12 Inch Load D 5 Lug On 4.5 Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$164.93**4.6★**▲ 18%**](https://www.amazon.com/dp/B0CJHB3BRG) [![eCustomrim Trailer Tire On Rim ST145/R12 145/R12 12 Inch Radial Load E 5 Lug Silver Grey Wheel - 6 Year Warranty w/Roadside](https://m.media-amazon.com/images/I/51ACTrEQzhL.jpg)**eCustomrim Trailer Tire On Rim ST145/R12 145/R12 12 Inch Radial Load E 5 Lug Silver Grey Wheel - 6 Year Warranty w/Roadside**eCustomRim**$141.27**4.7★**— 1%**](https://www.amazon.com/dp/B084JQ9YRK)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +96.7% search growth over the last 90 days.

800600Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.3×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**22%

*“Great value”*

**Quality-Overall**22%

*“Seems well made”*

**Wheel Quality**20%

*“Great looking wheels and greatest value”*

**Size-Overall**17%

*“Fit perfect”*

**Advertised Vs Actual Product**6%

*“Received as expected”*

**Ease Of Use**3%

*“easy as take old wheels off”*

**Design-Overall**2%

*“Attractive look”*

**Grip**2%

*“handle extremely well”*

**Safety Standards**2%

*“ensuring safety on our upcoming trip”*

**Durability**1%

*“We will see how well they last”*

### **What buyers complain about **

**Size-Overall**50%

*“Your stock ones wont fit as good”*

**Durability**25%

*“Tread wore out fast”*

**Thickness**8%

*“thicker than steel”*

### **Top return reasons **

**Size-Overall**78%

**Advertised Vs Actual Product**12%

**Compatibility-Overall**5%

**Functionality-Overall**3%

**Quality-Overall**3%