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Stan's NoTubes
Race Sealant

5 out of 5 stars
1 Review
Current price: $39.60 Original price: $44.00
10% off
Color:One Color



Race Sealant

In the midst of a race, there's no time to stop and putz with a leak. Stans developed their Race Sealant to work faster and better than their standard sealant, so you can carry on and catch the lead pack. With twice the grit of their standard, the sealant better plugs larger punctures to keep you rolling. The Race Sealant also functions better in a wider variety of temperatures and conditions, saving you from the dreaded dry sealant situation on the side of the road.


  • Stan's pro-level sealant to keep you rolling
  • Larger grain crystals seal better and faster than standard formula
  • Sealant must be poured into tire, not through valve injector method
  • Item #SNT003B
Recommended Use
Manufacturer Warranty
1 year

Overall Rating

5 based on 1 ratings

Review Summary

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5 Stars - 1 reviews

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5 out of 5 stars

October 14, 2023


Size Bought:
32 oz
5' 10"

I've been using this sealant for several months and haven't had one flat. I can't give higher praise then that. I ride 200 -300 miles/week on average. I've had cases where I've lost pressure but never enough to make the tire unrideable or even unstable. Also, unlike other sealants I've used, I've never had the sealant spray drops of sealant out of the tire, which then makes a mess on whatever part of the bike where the sealant lands. I use the sealant with Continental Grand Prix 5000 AS TR Road Tires. I mention the tires because they have more rubber on their tread than do the non-AS tires. So, it may be a combination of both the tires and the sealant that has prevented flats. Whatever it is, i.e., the sealant alone or the combination of the tires and sealant, I'm not sure but as mentioned, it works. This sealant is more difficult to use than other sealants but that's a small price to pay considering how well it works. You can't inject the sealant though the valve stem, even if the core is removed. Instead, you have to separate the tire from the rim, making enough space to pour the sealant into to tire. It's not necessary to remove the tire. You just need to be able to pour the sealant into the the tire. After the sealant is in the tire, reseat the tire and your ready to go.