---
title: "18x8.50-8 Tire — $566K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/18x8-50-8-tire"
last_updated: "2026-08-09T13:18:15.538Z"
locale: en
meta:
description: "Niche score 63/100 · $566K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $566K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "18x8.50-8 Tire — $566K/yr Amazon US Niche (2026) - Flapen"
---
# **18x8.50-8 tire**
**Worth a look**
Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 63Growth 75Conversion 49Competition 59Returns 98Price range 40Avg price 78Brand share 70Review moat 74Quality gap 22
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$91.90**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+60.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****530.45**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****$566K**
$566K/yr · 158K searches
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****$40.48–$187.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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 Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 18x8.50-8 tire is a $566K/yr Amazon United States market (158K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **18x8.50-8 tire market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$460K–$551K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#196**
- **Page quality**
- **0%**
- **Prime**
- **26%**
- **Sponsored**
- **87%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **193 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**27**
**Top-5 brand share**
**63%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 88%
**Open market**
**31%**
- Lucky Seven18% - WANDA15% - MOTOOS14% - GICOOL9% - MARASTAR7% - HORSESHOE6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +60.4% search growth over the last 90 days.
5K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 4.1×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/18x8-50-8-tire/trend)
## **Top 18x8.50-8 tire search terms**
- **18x8.50-8 tire**56K/yr+33.3%2.3% conv. - **18x8.50-8 lawn mower tires**34K/yr+203.2%4.4% conv. - **18 x 8.5 x 8 tire**11K/yr+5.2%2.4% conv. - **18x8.50-8**9K/yr+57.6%2.6% conv. - **18x8 50 8 tires**8K/yr+59.4%2.1% conv. - **18 8.50-8 tires**7K/yr+45.6%2.8% conv. - **18x8.50 8 lawn mower tires**7K/yr+25.2%1.7% conv. - **18x8.50-8 tire and rim**5K/yr+44.2%1.7% conv. - **18x8.5-8 lawn mower tires**5K/yr+116.7%5.1% conv. - **18x8.5-8**5K/yr+49.7%2.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/18x8-50-8-tire/search-terms)
## **Top 18x8.50-8 tire 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%$28K10%$57K15%$85K20%$113K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**18x8.50-8 Lawn Mower Tire 18x8.50x8 Lawn Mower Tires Set of 2 4-Ply Tubeless Turf Tires for Zero Turn Mower/Golf Cart/Tractor Heavy Duty 18x8.5-8 Tires with P332 Tread Max Load 815LBS**Lucky Seven**$86.31**4.7★90 rev](https://www.amazon.com/dp/B0DYDQ8NBL) [2**WANDA Lawn Mower Tractor Tire Wheel Assembly 18X8.5-8 4-Ply with 4 Lugs on 4 PCD Silver Wheel-13028 SET 2**WANDA**$99.21**4.3★158 rev](https://www.amazon.com/dp/B0FLMRM1H8) [3**Marastar Turf Traction 18x8.50-8 Tire Only for Lawn Mowers and Golf Carts 4 Ply Rating Uncompressed Easy Install**MARASTAR**$54.67**4.7★194 rev](https://www.amazon.com/dp/B0CR6ZDM7C) [4**MOTOOS 18x8.50-8 Lawn & Garden Mower Tires Set of 2 4 Ply Tubeless**MOTOOS**$75.30**4.7★86 rev](https://www.amazon.com/dp/B0GL22WJXJ) [5**GICOOL 18x8.50-8 Lawn Mower Tire 18x8.5-8 Tractor Lawnmower Tire 4 Ply Tubeless Tire Turf-S Pattern Set of 2**GICOOL**$79.31**4.7★428 rev](https://www.amazon.com/dp/B0CR2TQRGB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TRIBLE SIX 18x8.50-8 Lawn Mower Tire 4 Ply Tubeless Set of 2**TRIBLE SIX**$73.01**5 rev3mo ago](https://www.amazon.com/dp/B0GWPV6BS6) [**18x8.50-8 Lawn Mower Tire 18x8.50x8 Lawn Mower Tires Set of 2 4-Ply Tubeless Turf Tires for Zero Turn Mower/Golf Cart/Tractor Heavy Duty 18x8.5-8 Tires with P332 Tread Max Load 815LBS**Godhop**$89.16**3 rev3mo ago](https://www.amazon.com/dp/B0GVLVGJ9R) [**WANDA Lawn Mower Tractor Tire Wheel Assembly 18X8.5-8 4-Ply P332 with 3/4 Bushing 3/16 Keyway 3-1/2 offset Hub Silver Wheel-13028 SET 2**WANDA**$98.97**18 rev5mo ago](https://www.amazon.com/dp/B0GMM1G1TL) [**MOTOOS 18x8.50-8 Lawn & Garden Mower Tires Set of 2 4 Ply Tubeless**MOTOOS**$75.30**86 rev5mo ago](https://www.amazon.com/dp/B0GL22WJXJ) [**MOTOOS 18x8.50-8 Lawn Mower Tires 4 Ply Tubeless Set of 2**MOTOOS**$68.94**540 rev5mo ago](https://www.amazon.com/dp/B0GKLP8FW5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TRIBLE SIX 18x8.50-8 Lawn Mower Tire 4 Ply Tubeless Set of 2**TRIBLE SIX**$73.01**5.0★**▲ 143%**](https://www.amazon.com/dp/B0GWPV6BS6) [**18x8.50-8 Lawn Mower Tire 18x8.50x8 Lawn Mower Tires Set of 2 4-Ply Tubeless Turf Tires for Zero Turn Mower/Golf Cart/Tractor Heavy Duty 18x8.5-8 Tires with P332 Tread Max Load 815LBS**Godhop**$89.16**5.0★**▲ 143%**](https://www.amazon.com/dp/B0GVLVGJ9R) [**WANDA Lawn Mower Tractor Tire Wheel Assembly 18X8.5-8 4-Ply P332 with 3/4 Bushing 3/16 Keyway 3-1/2 offset Hub Silver Wheel-13028 SET 2**WANDA**$98.97**4.9★**▲ 92%**](https://www.amazon.com/dp/B0GMM1G1TL) [**Garvee 18x8.50-8 Lawn Mower Tires Set of 2 4 Ply Tubeless Turf Tires 18/8.50-8 815 LBS Capacity for Garden Tractor & Cart NOT for Highway Service**Garvee**$61.76**4.6★**▲ 55%**](https://www.amazon.com/dp/B0GFNKPVKM) [**MOTOOS 18x8.50-8 Lawn & Garden Mower Tires Set of 2 4 Ply Tubeless**MOTOOS**$75.30**4.7★**▲ 51%**](https://www.amazon.com/dp/B0GL22WJXJ)
**~~View all trending →~~**
## **What buyers say about 18x8.50-8 tire**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**21%
*“Great value”*
**Size-Overall**20%
*“Fits like a charm”*
**Quality-Overall**18%
*“Excellent quality”*
**Wheel Quality**10%
*“Great wheels for the price”*
**Advertised Vs Actual Product**8%
*“Just as advertised”*
**Assembly/Installation**4%
*“Easy to install”*
**Ease Of Use**3%
*“very easy to put on”*
**Friction**3%
*“Great traction on hills”*
**Grip**2%
*“These tires do not slip at any time”*
**Tread Pattern Pitch**2%
*“Good tread”*
### **What buyers complain about **
**Size-Overall**23%
*“Wont fit Hustler”*
**Quality-Overall**20%
*“Low quality tires”*
**Value For Money**5%
*“Discount charged five dollars a tire”*
**Leak-Proof**4%
*“Once put into service the leaks started coming”*
**Functionality-Overall**4%
*“doesn't even spin”*
**Material Quality**3%
*“I was initially worried they would look plastic and wrong,”*
**Flatness**3%
*“Tire suddenly went flat”*
**Weight Heavy**3%
*“They are quite bulky to ship”*
**Advertised Vs Actual Product**3%
*“Does not look as pictured”*
**Maintenance And Repair**3%
*“It was time to replace my worn”*
### **Top return reasons **
**Size-Overall**72%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**6%
**Value For Money**4%
**Assembly/Installation**3%
**Functionality-Overall**2%
**Quality-Overall**2%
**Maintenance And Repair**1%
**Durability**1%
**Mechanism Issues**0%
## **Common questions**
- **Is 18x8.50-8 tire profitable to sell on Amazon United States?**
- The niche generates $566K/yr across 31 tracked products. 7 of 14 products launched in the last 360 days are still selling. 90-day search growth is +60.4%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the 18x8.50-8 tire niche?**
- 20 brands and 27 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in 18x8.50-8 tire?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 0.5%.
- **When does demand for 18x8.50-8 tire peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 4.1× the quietest.
- **What does it cost to enter the 18x8.50-8 tire niche?**
- Listings span $40.48–$187.55; the average listing price is $91.90 (sweet spot $15–$100). The average incumbent carries 530 reviews — the moat a new listing must climb.
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