---
title: "80/100-21 dirt bike tire — Niche Verdict: Skip it (38/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/80-100-21-dirt-bike-tire"
last_updated: "2026-07-09T22:32:35.779Z"
locale: en
meta:
  description: "a small market ($40K/yr) — 80/100-21 dirt bike tire doesn't clear our bar today."
  "og:description": "a small market ($40K/yr) — 80/100-21 dirt bike tire doesn't clear our bar today."
  "og:title": "80/100-21 dirt bike tire — Niche Verdict: Skip it (38/100) | Amazon United States - Flapen"
---

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# **80/100-21 dirt bike tire**

**Skip it****38/100 **

a small market ($40K/yr) — 80/100-21 dirt bike tire doesn't clear our bar today.

**Market/yr**

**$40K**

**Growth (1y)**

**+233.5%**

**Products**

**10**

**Brands**

**6**

was 13 a year ago

**Sellers**

**42**

**Price range**

**$16.23–$123.67**

**Returns**

**1.3%**

**Rating**

**4.6★**

**Skip it**

Scored 38/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**2**

 ×0.30

Growth

**80**

 ×0.30

Competition

**8**

 ×0.20

Quality gap

**27**

 ×0.10

Returns

**90**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 101 weeks — +233.5% year over year.

719359.5Spike '24Spike '25Holiday '25Spike '26Aug '24Nov '24Mar '25Jul '25Oct '25Feb '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Mar, Apr, May · busiest ÷ quietest = 2.1×

## **Competition**

- PIVOTRAX42% - TUSK34% - AR-PRO12% - GDHSWJ5% - DUNLOP4% - Kenda3% - Other0%

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack. 6 brands and 42 sellers compete here.

**Brands**

**6 **▼falling

was 13 a year ago

**Sellers**

**42**

**Top 5 brand share**

**97%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve](https://m.media-amazon.com/images/I/31xw40bdXKL.jpg) [**PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve**](https://www.amazon.com/dp/B08FWB1JRH)

PIVOTRAX$26.324.6★2,10142%▲rising

2
![Tusk EMEX T-45 Front Tire 80/100x21 Intermediate/Hard Terrain Knobby Dirt Bike Tire for Motocross Trail and Off-Road Riding](https://m.media-amazon.com/images/I/41t-T37ytvL.jpg) [**Tusk EMEX T-45 Front Tire 80/100x21 Intermediate/Hard Terrain Knobby Dirt Bike Tire for Motocross Trail and Off-Road Riding**](https://www.amazon.com/dp/B09SVNBSV9)

TUSK$53.614.8★13819%▼falling

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](https://m.media-amazon.com/images/I/41fU-FHtwjL.jpg) [**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**](https://www.amazon.com/dp/B07J1P4FM5)

AR-PRO$16.234.3★8,03412%▼falling

4
![Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021](https://m.media-amazon.com/images/I/31yFA49QawL.jpg) [**Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021**](https://www.amazon.com/dp/B09DR54XN9)

TUSK$18.994.6★8496%▼falling

5
![(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](https://m.media-amazon.com/images/I/41eNVm7xGdL.jpg) [**(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**](https://www.amazon.com/dp/B0FK1YGPB7)

GDHSWJ$24.124.3★815%▲rising

6
![Dunlop D952 Multi Terrain Tire 80/100x21 Black](https://m.media-amazon.com/images/I/31vLSfz9NcL.jpg) [**Dunlop D952 Multi Terrain Tire 80/100x21 Black**](https://www.amazon.com/dp/B0C74QQTG6)

DUNLOP$65.984.6★484%▼falling

7
![Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 120/80x19 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires](https://m.media-amazon.com/images/I/41g85LzKpHL.jpg) [**Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 120/80x19 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires**](https://www.amazon.com/dp/B09NXDLS66)

TUSK$123.674.8★4343%▼falling

8
![Kenda K760 Dual/Enduro Front Motorcycle Bias Tire - 80/100-21 51C](https://m.media-amazon.com/images/I/31IdcyJvBeL.jpg) [**Kenda K760 Dual/Enduro Front Motorcycle Bias Tire - 80/100-21 51C**](https://www.amazon.com/dp/B009XIRB02)

Kenda$59.574.6★4263%▼falling

9
![Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement](https://m.media-amazon.com/images/I/41tqadMSheL.jpg) [**Tusk Severe Duty 3mm Motorcycle Inner Tube 80/100x21 - Reinforced Butyl Rubber TR4 Valve Stem Heavy Duty Replacement**](https://www.amazon.com/dp/B09YK9RVPF)

TUSK$23.044.9★822%▲rising

10

![Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 110/100x18 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires](https://m.media-amazon.com/images/I/41g85LzKpHL.jpg) [**Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 110/100x18 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires**](https://www.amazon.com/dp/B09NX9Q3L3)

TUSK$123.554.8★4342%▼falling

## **Product shelf**

All 10 tracked products in this niche.

Top sellersNewestTrending

[![PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4 Valve](https://m.media-amazon.com/images/I/31xw40bdXKL.jpg)**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 reviews](https://www.amazon.com/dp/B08FWB1JRH) [![Tusk EMEX T-45 Front Tire 80/100x21 Intermediate/Hard Terrain Knobby Dirt Bike Tire for Motocross Trail and Off-Road Riding](https://m.media-amazon.com/images/I/41t-T37ytvL.jpg)**Tusk EMEX T-45 Front Tire 80/100x21 Intermediate/Hard Terrain Knobby Dirt Bike Tire for Motocross Trail and Off-Road Riding** TUSK**$53.61**4.8★138 reviews](https://www.amazon.com/dp/B09SVNBSV9) [![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](https://m.media-amazon.com/images/I/41fU-FHtwjL.jpg)**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 reviews](https://www.amazon.com/dp/B07J1P4FM5) [![Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021](https://m.media-amazon.com/images/I/31yFA49QawL.jpg)**Tusk Heavy Duty 2mm Motorcycle Inner Tube Butyl Rubber Upgraded Replacement Tube 80/10021** TUSK**$18.99**4.6★849 reviews](https://www.amazon.com/dp/B09DR54XN9) [![(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](https://m.media-amazon.com/images/I/41eNVm7xGdL.jpg)**(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★81 reviews](https://www.amazon.com/dp/B0FK1YGPB7) [![Dunlop D952 Multi Terrain Tire 80/100x21 Black](https://m.media-amazon.com/images/I/31vLSfz9NcL.jpg)**Dunlop D952 Multi Terrain Tire 80/100x21 Black** DUNLOP**$65.98**4.6★48 reviews](https://www.amazon.com/dp/B0C74QQTG6) [![Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 120/80x19 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires](https://m.media-amazon.com/images/I/41g85LzKpHL.jpg)**Tusk EMEX T-35 Soft/Intermediate Terrain Dirt Bike Front and Rear Tire Set Front 80/100x21 & Rear 120/80x19 Deep Tread Off-Road Trail Tires Tube Type Motocross Motorcycle Tires** TUSK**$123.67**4.8★434 reviews](https://www.amazon.com/dp/B09NXDLS66) [![Kenda K760 Dual/Enduro Front Motorcycle Bias Tire - 80/100-21 51C](https://m.media-amazon.com/images/I/31IdcyJvBeL.jpg)**Kenda K760 Dual/Enduro Front Motorcycle Bias Tire - 80/100-21 51C** Kenda**$59.57**4.6★426 reviews](https://www.amazon.com/dp/B009XIRB02)

## **Reviews**

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

### **What buyers love **

**Size-Overall**18%

*“Fit perfect”*

**Value For Money**17%

*“Great value”*

**Quality-Overall**15%

*“Quality tube”*

**Thickness**12%

*“Nice thick tubes with sturdy stems”*

**Weight Heavy**7%

*“Heavy duty”*

**Advertised Vs Actual Product**7%

*“As described”*

**Strength**5%

*“very sturdy”*

**Wheel Quality**3%

*“Tire is awesome”*

**Leak-Proof**2%

*“Perfect size, no leakage right out the box so not defective in any way from shipper”*

**Ease Of Use**2%

*“Easy to pop”*

### **What buyers complain about **

**Quality-Overall**19%

*“COMPLETE TRASH”*

**Durability**19%

*“Product breaks IMMEDIATELY”*

**Thin**7%

*“thin feel”*

**Flatness**7%

*“Both went flat in 46 hours”*

**Assembly/Installation**7%

*“Didnt even get to install it”*

**Functionality-Overall**7%

*“Didnt hold air new”*

**Leak-Proof**6%

*“it started leaking at a seam behold a giant gash”*

**Weight Heavy**4%

*“Heavier than I thought”*

**Strength**3%

*“Fragile low quality a little touch & its popping”*

**Thickness**3%

*“Much thicker than what came on the bike”*

#### **Top return reasons**- Size-Overall50% - Leak-Proof13% - Advertised Vs Actual Product5% - Functionality-Overall5% - Defective Material/Parts4% - Weight Heavy4% - Thin3% - Assembly/Installation2% - Thickness2% - Inflation/Deflation2%