---
title: "Nitrogen Shock Fill Kit — $81K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/nitrogen-shock-fill-kit"
last_updated: "2026-08-10T11:23:16.441Z"
locale: en
meta:
description: "Niche score 37/100 · $81K/yr market · 27K searches/yr · $128.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $81K/yr market · 27K searches/yr · $128.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nitrogen Shock Fill Kit — $81K/yr Amazon US Niche (2026) - Flapen"
---
# **nitrogen shock fill kit**
**Skip it**
Soft demand (-24.3% this quarter) — this niche doesn't clear our bar today.
Market size 20Growth 13Conversion 29Competition 37Returns 41Price range 13Avg price 66Brand share 27Review moat 99Quality gap 78
**Review moat**
**Incredible****21.84**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$128.44**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$81K**
$81K/yr · 27K searches
**Growth**
**Bad****-24.3%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$15.08–$690.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** 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, nitrogen shock fill kit is a $81K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 37/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nitrogen shock fill kit market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$64K–$96K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#3,852**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **92%**
- **Out of stock**
- **1.8%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **211 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**15**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 95%
**Open market**
**8%**
- ENYSAON45% - LTIENBST22% - Besilo9% - NICECNC8% - Sejaede4% - Power Tank3% - Open — no brand owns it (6 brands, 8%)
## **Demand**
Weekly Amazon search volume, last 31 weeks — -24.3% search growth over the last 90 days.
600400Holiday '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/automotive/nitrogen-shock-fill-kit/trend)
## **Top nitrogen shock fill kit search terms**
- **nitrogen shock fill kit**16K/yr-38.3%2.1% conv. - **nitrogen fill kit**5K/yr-0.7%1.6% conv. - **nitrogen shock refill kit**3K/yr+23.5%1.9% conv. - **air suspension nitrogen refill kit**3K/yr-15.0%0.9% conv. [**All search terms **](https://flapen.com/research/us/automotive/nitrogen-shock-fill-kit/search-terms)
## **Top nitrogen shock fill kit 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%$4K10%$8K15%$12K20%$16K1101001K 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**ENYSAON Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge and 10in High-Pressure Flexible Hose Nitrogen Regulator Shock Fill Tool No-Loss Schrader Chuck for ATV UTV Off-Road Bike Dirt Bike**ENYSAON**$134.75**4.3★10 rev](https://www.amazon.com/dp/B0FKNDZHH9) [2**ENYSAON Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge and G1/4 & Schrader Valve Nitrogen Regulator Shock Fill No Loss Chuck Tool for ATV ATC UTV Off-Road Bike Dirt Bike**ENYSAON**$71.27**4.4★15 rev](https://www.amazon.com/dp/B0FKHPGTC3) [3**LTIENBST Nitrogen Shock Fill Kit with Schrader Valve 556 & 700Psi Nitrogen Gauge Nitrogen Regulator Shock Fill Tool Compatible with Off-road Bike ATV ATC UTV Dirt Bike**LTIENBST**$174.24**4.5★37 rev](https://www.amazon.com/dp/B0CX57PQ2X) [4**Nitrogen Shock Fill Kit with Schrader Valve and 700PSI Nitrogen Gauge Nitrogen Regulator Shock Fill Tool No-Loss Chuck & high-pressure flexible hose for with ATV/ATC/UTV/Dirt Bike/Off-Road Bike**Besilo**$158.03**5.0★1 rev](https://www.amazon.com/dp/B0FJKYTRXV) [5**ENYSAON Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge and Schrader Valve Nitrogen Regulator Shock Fill No Loss Chuck Tool for ATV ATC UTV Off-Road Bike Dirt Bike**ENYSAON**$168.41**3.6★11 rev](https://www.amazon.com/dp/B0FKHHYRWQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**KAVLIRA Hydraulic Pressure Test Kit for Hydraulic Breaker Nitrogen Charging**KAVLIRA**$77.68**31 rev4mo ago](https://www.amazon.com/dp/B0GKSKGSQT) [**LTIENBST Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge No-Loss Schrader Chuck Compatible with shock with a schrader valve on the off-road bike ATV UTV and cars Kawasaki Honda Yamada**LTIENBST**$134.29**0 rev6mo ago](https://www.amazon.com/dp/B0GCDK13FD) [**LTIENBST Nitrogen Regulator Shock Fill with 700Psi Nitrogen Gauge Nitrogen Regulator Shock Fill No Loss Chuck Tool Compatible with Kawasaki Honda Yamada ATV UTVs with Shock with a Schrader Valve**LTIENBST**$68.92**0 rev6mo ago](https://www.amazon.com/dp/B0GCDK1J4Z) [**Sejaede Nitrogen Regulator Kit 4000PSI Nitrogen Shock Fill Tool with No-Loss Schrader Chuck & Gauge for Shock Absorbers Compatible with Dirt Bike ATV UTV Honda Kawasaki Yamaha**Sejaede**$121.54**3 rev8mo ago](https://www.amazon.com/dp/B0FX9P3DMD) [**ENYSAON Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge and 10in High-Pressure Flexible Hose Nitrogen Regulator Shock Fill Tool No-Loss Schrader Chuck for ATV UTV Off-Road Bike Dirt Bike**ENYSAON**$134.75**10 rev11mo ago](https://www.amazon.com/dp/B0FKNDZHH9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KAVLIRA Hydraulic Pressure Test Kit for Hydraulic Breaker Nitrogen Charging**KAVLIRA**$77.68**4.9★**▲ 283%**](https://www.amazon.com/dp/B0GKSKGSQT) [**Nitrogen Shock Fill Kit with Schrader Valve and 700PSI Nitrogen Gauge Nitrogen Regulator Shock Fill Tool No-Loss Chuck & high-pressure flexible hose for with ATV/ATC/UTV/Dirt Bike/Off-Road Bike**Besilo**$158.03**5.0★**▲ 171%**](https://www.amazon.com/dp/B0FJKYTRXV) [**LTIENBST Nitrogen Shock Fill Kit with 700Psi Nitrogen Gauge No-Loss Schrader Chuck Compatible with shock with a schrader valve on the off-road bike ATV UTV and cars Kawasaki Honda Yamada**LTIENBST**$134.29**0.0★**▲ 138%**](https://www.amazon.com/dp/B0GCDK13FD) [**LTIENBST Nitrogen Regulator Shock Fill with 700Psi Nitrogen Gauge Nitrogen Regulator Shock Fill No Loss Chuck Tool Compatible with Kawasaki Honda Yamada ATV UTVs with Shock with a Schrader Valve**LTIENBST**$68.92**0.0★**▲ 121%**](https://www.amazon.com/dp/B0GCDK1J4Z) [**Sejaede Nitrogen Regulator Kit 4000PSI Nitrogen Shock Fill Tool with No-Loss Schrader Chuck & Gauge for Shock Absorbers Compatible with Dirt Bike ATV UTV Honda Kawasaki Yamaha**Sejaede**$121.54**2.8★**▲ 102%**](https://www.amazon.com/dp/B0FX9P3DMD)
**~~View all trending →~~**
## **What buyers say about nitrogen shock fill kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“The build quality is excellent”*
**Ease Of Use**11%
*“easy to read for accurate monitoring”*
**Design-Overall**9%
*“it's a great design”*
**Value For Money**8%
*“for the price cant beat it”*
**Pressure**6%
*“it handled pressure without any issues”*
**Advertised Vs Actual Product**6%
*“worked better than expected”*
**Leak-Proof**6%
*“No leaks and no worries”*
**Functionality-Overall**6%
*“Works good”*
**Durability**5%
*“durable”*
**Strength**4%
*“nothing feels flimsy or loose”*
### **What buyers complain about **
**Pressure**24%
*“Does not handle advertised pressure”*
**Leak-Proof**22%
*“Leaked really bad”*
**Quality-Overall**14%
*“I can get them locally so I will be replacing them with better quality units”*
**Instructions/User Manual/Troubleshooting**6%
*“No instructions to let you know this is required”*
**Measurement/Reading Accuracy**6%
*“The gauge portion wasn't long enough so you'd have to tilt the double gauge backwards so it could be threaded into bottle without interfering with the bottle valve knob”*
**Grip**3%
*“not happy with the t-handle”*
**Touch/Button Controls**3%
*“not happy with the t-handle”*
**Add-Ons/Attachments**2%
*“Only problem I have is this Schrader valve extension was not tapped correctly”*
**Size-Overall**2%
*“I was surprised that it was that small”*
**Defective Material/Parts**2%
*“a defective part”*
### **Top return reasons **
**Leak-Proof**21%
**Size-Overall**13%
**Pressure**9%
**Functionality-Overall**8%
**Compatibility-Overall**7%
**Defective Material/Parts**7%
**Advertised Vs Actual Product**5%
**Shock Absorption**5%
**Value For Money**4%
**Measurement/Reading Accuracy**3%
## **Common questions**
- **Is nitrogen shock fill kit profitable to sell on Amazon United States?**
- The niche generates $81K/yr across 25 tracked products. 7 of 11 products launched in the last 360 days are still selling. 90-day search growth is -24.3%. Flapen's verdict: Skip it (37/100).
- **How competitive is the nitrogen shock fill kit niche?**
- 12 brands and 15 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in nitrogen shock fill kit?**
- Top complaints mined from reviews: Pressure, Leak-Proof, Quality-Overall. The return rate is 3.7%.
- **What does it cost to enter the nitrogen shock fill kit niche?**
- Listings span $15.08–$690.27; the average listing price is $128.44 (sweet spot $15–$100). The average incumbent carries 22 reviews — the moat a new listing must climb.
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