![]() Tire sealant works better in latex - the chance of sealant sealing anything in butyl is not great. No weight difference - Your standard durable latex tube weighs about the same as the standard butyl race light tube at about 75 grams. For Ironman triathletes coming off the bike this can be a huge advantage. They are more comfortable and will leave you fresher for the run - Because latex is so supple they don't transmit as much vibration to your body. They handle better - Many people believe they handle better because they are so supple that they are able to deform more easily and grab the road better. Simply put, the installation process is a little more involved but if you take your time you won't have issues. However they get a bad rap if you read reviews or talk to the typical shop employee because these people are not installing them properly. They are less flat prone - Contrary to popular belief they are less susceptible to flats than butyl tubes. However you don't have to pay $3,000 for a set of latex tubes. Regardless of the actual times savings, think of it this way, the savings going from butyl tubes => latex is greater than going from standard training wheels => 80mm deep aero wheels. Those at the front of the race can save three to four minutes in an Ironman while someone at the back, who is heavier, might be able to save double that. The actual savings will vary based on how fast you are going and your weight. Latex tubes have lower rolling resistance than standard butyl tubes. They are faster - Rolling resistance is a big factor slowing you down. ![]() If you aren't willing to spend the time then stick to butyl tubes. If you want to go faster and are willing to spend a little extra time learning how to install them then latex is the way to go. Nothing adds more speed per dollar than latex tubes, but latex isn't for everyone. Vittoria latex bikes tubes are faster, more comfortable to ride, and less likely to flat. Michelin Latex (left), Vittoria Latex (middle), ![]()
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