tire caps with pressure gauge
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$42.03avg listing price — sweet spot $15–$100
Price range
Great$7.83–$86.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good1,397.14avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.1%search→purchase rate — share of searches ending in a sale
Returns
Okay3.1%return rate — above 6% kills the launch gate
Market size
Okay$253K$253K/yr · 146K searches
Growth
Bad-16.5%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
5
Top-5 brand share
100%
Open market
0%
- Tymate92%
- NYTKL5%
- Anki HappiGo3%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tymate TM7 Tire Pressure Monitoring System Wireless TPMS with 4 External Sensors & 6 Alarm Modes Colorful Display Real-time Tire Pressure Monitor System Ideal for RV SUV MPV Truck Sedan(0-144 PSI)
Tymate$34.584.3★2,311 rev

Tymate TM2 RV Tire Pressure Monitoring System Tire Pressure Monitor with Solar Charge TPMS with 4 Sensors(Max. 10) & 6 Alarm Modes Color LCD Display 0-144PSI for RV/Trailer/Truck/SUV/Fifth Wheel
Tymate$62.514.4★1,725 rev

Tymate TM8 Tire Pressure Monitoring System Wireless Solar TPMS with 4 External Sensors & 6 Alarm Modes Colorful Display Easy to Intall on Windshield Ideal for RV Sedan SUV MPV Truck (0-87 PSI)
Tymate$30.964.2★647 rev

Tymate TM12 RV Tire Pressure Monitoring System TPMS with USB/Solar Charge 2026 Latest Version Set of 6 Sensors(Max. 12) 6 Alarm Modes 50ft Range 0-144PSI for RV/Truck/SUV/Towing Medium Trailer
Tymate$86.094.2★95 rev

NYTKL 8PCS Tire Pressure Monitor Valve Stem Caps 2.4 Bar 36PSI Pressure Monitor Stem Covers with 3-Color Eye Alert Easy to Read Sensor Indicator Tire Valve Cap for Most Car Truck SUV (Silver)
NYTKL$7.834.1★272 rev
Newest
by launch date
Tymate TM12 RV Tire Pressure Monitoring System TPMS with USB/Solar Charge 2026 Latest Version Set of 6 Sensors(Max. 12) 6 Alarm Modes 50ft Range 0-144PSI for RV/Truck/SUV/Towing Medium Trailer
Tymate$86.0995 rev

Tymate TM12 RV Tire Pressure Monitoring System TPMS with USB/Solar Charge 2026 Latest Version Set of 4 Sensors(Max. 12) 6 Alarm Modes 50ft Range 0-144PSI for RV/Sedan/SUV/MPV/Truck/Older Vehicle
Tymate$60.3095 rev

NYTKL 8PCS Tire Pressure Monitor Valve Stem Caps 2.4 Bar 36PSI Pressure Monitor Stem Covers with 3-Color Eye Alert Easy to Read Sensor Indicator Tire Valve Cap for Most Car Truck SUV (Silver)
NYTKL$7.83272 rev

Tymate TM8 Tire Pressure Monitoring System Wireless Solar TPMS with 4 External Sensors & 6 Alarm Modes Colorful Display Easy to Intall on Windshield Ideal for RV Sedan SUV MPV Truck (0-87 PSI)
Tymate$30.96647 rev

Tymate TM2 RV Tire Pressure Monitoring System Tire Pressure Monitor with Solar Charge TPMS with 4 Sensors(Max. 10) & 6 Alarm Modes Color LCD Display 0-144PSI for RV/Trailer/Truck/SUV/Fifth Wheel
Tymate$62.511,725 rev
Trending
90-day click momentum
Tymate TM12 RV Tire Pressure Monitoring System TPMS with USB/Solar Charge 2026 Latest Version Set of 4 Sensors(Max. 12) 6 Alarm Modes 50ft Range 0-144PSI for RV/Sedan/SUV/MPV/Truck/Older Vehicle
Tymate$60.304.3★

Tymate TM12 RV Tire Pressure Monitoring System TPMS with USB/Solar Charge 2026 Latest Version Set of 6 Sensors(Max. 12) 6 Alarm Modes 50ft Range 0-144PSI for RV/Truck/SUV/Towing Medium Trailer
Tymate$86.094.2★

Tymate TM7 Tire Pressure Monitoring System Wireless TPMS with 4 External Sensors & 6 Alarm Modes Colorful Display Real-time Tire Pressure Monitor System Ideal for RV SUV MPV Truck Sedan(0-144 PSI)
Tymate$34.584.3★

Tymate TM2 RV Tire Pressure Monitoring System Tire Pressure Monitor with Solar Charge TPMS with 4 Sensors(Max. 10) & 6 Alarm Modes Color LCD Display 0-144PSI for RV/Trailer/Truck/SUV/Fifth Wheel
Tymate$62.514.4★

Tymate TM8 Tire Pressure Monitoring System Wireless Solar TPMS with 4 External Sensors & 6 Alarm Modes Colorful Display Easy to Intall on Windshield Ideal for RV Sedan SUV MPV Truck (0-87 PSI)
Tymate$30.964.2★
Demand
Weekly Amazon search volume, last 27 weeks — -16.5% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Took 5 minutes to install”
“Decent quality”
“Well worth the price”
“the pressure is good”
“Ease of use”
“Works perfectly as described”
“Works as expected”
“ours is very accurate”
“Works great - the solar charging works great too”
“Perfect Fit”
What buyers complain about
“Sensor didnt work”
“Does not read pressure right”
“Not fully functional”
“Stay away from this low quality product”
“Didnt last”
“Doesnt seem like the pressure is accurate”
“are difficult to remove”
“the eventually leaked”
“Out hundreds of dollars”
“because they do not fit well”