---
title: "80/100-21 Dirt Bike Tube — $59K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/80-100-21-dirt-bike-tube"
last_updated: "2026-08-09T11:36:46.553Z"
locale: en
meta:
description: "Niche score 45/100 · $59K/yr market · 31K searches/yr · $22.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $59K/yr market · 31K searches/yr · $22.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "80/100-21 Dirt Bike Tube — $59K/yr Amazon US Niche (2026) - Flapen"
---
# **80/100-21 dirt bike tube**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 15Growth 63Conversion 81Competition 12Returns 83Price range 95Avg price 93Brand share 0Review moat 47Quality gap 37
**Price range**
**Incredible****$16.23–$28.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$22.37**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+40.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,775.33**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$59K**
$59K/yr · 31K searches
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 80/100-21 dirt bike tube is a $59K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Sep. Verdict: Skip it — 45/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **80/100-21 dirt bike tube market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$56K–$67K**
- units × avg price
- **Conversion rate**
- **8.5%**
- **Avg BSR**
- **#18**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**0%**
- PIVOTRAX40% - TUSK33% - AR-PRO20% - GDHSWJ5% - GICOOL3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +40.1% search growth over the last 90 days.
800600Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Sep · busiest ÷ quietest = 3.0×
[**Open Trend **](https://flapen.com/research/us/automotive/80-100-21-dirt-bike-tube/trend)
## **Top 80/100-21 dirt bike tube search terms**
- **80/100-21 dirt bike tube**9K/yr+29.3%13.8% conv. - **motorcycle inner tube**6K/yr+40.2%0.6% conv. - **motorcycle tube**7K/yr+46.2%0.9% conv. - **80/100-21 tube**3K/yr+34.8%10.7% conv. - **motorcycle tire tube**3K/yr+66.4%1.0% conv. - **motorcycle tubes**3K/yr+41.7%1.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/80-100-21-dirt-bike-tube/search-terms)
## **Top 80/100-21 dirt bike tube 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%$6K20%$12K30%$18K40%$24K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve**PIVOTRAX**$26.32**4.6★2,101 rev](https://www.amazon.com/dp/B08FWB1JRH) [2**Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021**TUSK**$18.99**4.6★849 rev](https://www.amazon.com/dp/B09DR54XN9) [3**2.75/3.00-21 Replacement Inner Tube 80/100-21(300/325-21) with TR4 Staight Valve Stem Fits Motorcycle with 21 Tires (2-Pack) - Made from Heavy Duty Thick Premium Rubber**AR-PRO**$16.23**4.3★8,034 rev](https://www.amazon.com/dp/B07J1P4FM5) [4**Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement**TUSK**$23.04**4.9★82 rev](https://www.amazon.com/dp/B09YK9RVPF) [5**PIVOTRAX 3.00-12 (80/100-12) 12 Heavy Duty Inner Tube - 2mm - TR4 Valve Honda CRF70 CRF110 Suzuki DRZ110 JR80 Kawasaki KX65 KX110 KLX110 Yamaha TTR90 PW80 Coolster TaoTao Razor SYX Motos**PIVOTRAX**$19.61**4.4★1,675 rev](https://www.amazon.com/dp/B08TMFR6JG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GICOOL 4.10x19 (100/90-19) Butyl Inner Tubes Motorcycle Replacement 3mm Thick Heavy Duty 2 Pack with TR4 Valve Stem Fits for Dirt Pit Bike Off-Road and Motocross Tires**GICOOL**$28.58**206 rev3mo ago](https://www.amazon.com/dp/B0G32V7DCR) [**(2-Pack) 2.75/3.00-21 Inner Tubes 80/100-21 or 90/90-21 Heavy Duty Dirt Bike Inner Tubes 2mm Thick TR4 Valve Fits HondaAfrica Twin CRF230 CRF250 CR250 Kawasaki KLR KDX200 and More**GDHSWJ**$24.12**81 rev11mo ago](https://www.amazon.com/dp/B0FK1YGPB7) [**Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement**TUSK**$23.04**82 rev4y ago](https://www.amazon.com/dp/B09YK9RVPF) [**Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber TR-4 Valve Stem 110/100x18 120/100x18**TUSK**$17.95**849 rev4y ago](https://www.amazon.com/dp/B09HZ88KFQ) [**Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021**TUSK**$18.99**849 rev4y ago](https://www.amazon.com/dp/B09DR54XN9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GICOOL 4.10x19 (100/90-19) Butyl Inner Tubes Motorcycle Replacement 3mm Thick Heavy Duty 2 Pack with TR4 Valve Stem Fits for Dirt Pit Bike Off-Road and Motocross Tires**GICOOL**$28.58**4.5★**▲ 69%**](https://www.amazon.com/dp/B0G32V7DCR) [**(2-Pack) 2.75/3.00-21 Inner Tubes 80/100-21 or 90/90-21 Heavy Duty Dirt Bike Inner Tubes 2mm Thick TR4 Valve Fits HondaAfrica Twin CRF230 CRF250 CR250 Kawasaki KLR KDX200 and More**GDHSWJ**$24.12**4.3★**▲ 48%**](https://www.amazon.com/dp/B0FK1YGPB7) [**PIVOTRAX 3.00-12 (80/100-12) 12 Heavy Duty Inner Tube - 2mm - TR4 Valve Honda CRF70 CRF110 Suzuki DRZ110 JR80 Kawasaki KX65 KX110 KLX110 Yamaha TTR90 PW80 Coolster TaoTao Razor SYX Motos**PIVOTRAX**$19.61**4.4★**▲ 28%**](https://www.amazon.com/dp/B08TMFR6JG) [**PIVOTRAX-100/90-19 (4.10 X 19) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve**PIVOTRAX**$26.47**4.6★**▲ 17%**](https://www.amazon.com/dp/B08FX45NV4) [**PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve**PIVOTRAX**$26.32**4.6★**— 10%**](https://www.amazon.com/dp/B08FWB1JRH)
**~~View all trending →~~**
## **What buyers say about 80/100-21 dirt bike tube**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Quality tube”*
**Size-Overall**18%
*“Fit perfect”*
**Advertised Vs Actual Product**14%
*“What I was looking for”*
**Thickness**11%
*“Nice thick tubes with sturdy stems”*
**Value For Money**10%
*“Best bang for your buck”*
**Weight Heavy**8%
*“Heavy duty”*
**Strength**4%
*“very sturdy”*
**Instructions/User Manual/Troubleshooting**3%
*“Helpful hint”*
**Assembly/Installation**2%
*“Easy installing”*
**Leak-Proof**2%
*“Perfect size, no leakage right out the box so not defective in any way from shipper”*
### **What buyers complain about **
**Quality-Overall**22%
*“COMPLETE TRASH”*
**Durability**20%
*“Product breaks IMMEDIATELY”*
**Assembly/Installation**7%
*“Didnt even get to install it”*
**Flatness**5%
*“Both went flat in 46 hours”*
**Thin**5%
*“thin feel”*
**Value For Money**5%
*“Waste of money”*
**Functionality-Overall**5%
*“Didnt hold air new”*
**Size-Overall**5%
*“Did not fit”*
**Leak-Proof**4%
*“it started leaking at a seam behold a giant gash”*
**Thickness**4%
*“A little extra thickness”*
### **Top return reasons **
**Size-Overall**51%
**Leak-Proof**14%
**Functionality-Overall**5%
**Defective Material/Parts**5%
**Advertised Vs Actual Product**3%
**Value For Money**3%
**Compatibility-Overall**2%
**Weight Heavy**2%
**Material Quality**2%
**Thickness**2%
## **Common questions**
- **Is 80/100-21 dirt bike tube profitable to sell on Amazon United States?**
- The niche generates $59K/yr across 9 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +40.1%. Flapen's verdict: Skip it (45/100).
- **How competitive is the 80/100-21 dirt bike tube niche?**
- 5 brands and 11 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 80/100-21 dirt bike tube?**
- Top complaints mined from reviews: Quality-Overall, Durability, Assembly/Installation. The return rate is 1.6%.
- **When does demand for 80/100-21 dirt bike tube peak?**
- Demand peaks in May–Jun–Jul–Sep; the busiest month runs 3.0× the quietest.
- **What does it cost to enter the 80/100-21 dirt bike tube niche?**
- Listings span $16.23–$28.58; the average listing price is $22.37 (sweet spot $15–$100). The average incumbent carries 1,775 reviews — the moat a new listing must climb.
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