![]() ![]() ![]() With the Dynaplug tool unscrewed, armed with a pointed plug and setting beside me, I burned a mountain-bike-sized Co2 cartridge to inflate the injured tire and set to work. Testing, situation two: After drilling the 2.5-millimeter hole in the tire, I let all the air escape. ![]() Of course, I wasn't actually riding the bike, so one would have to add an interval to that figure for puncture-recognition and stopping distance. All told, the entire action from drill to a finished plug averaged around 28 seconds. The plug was bubbling a tiny amount of tire sealant that stopped after I cut the tail off the plug and pushed on it with my fingertip. Unscrewing the Dynaplug tool and ramming the pre-armed pointed plug into the hole resulted in a 17psi loss. I spun the wheel to get the liquid sealant working and rushed into action. Testing, situation one: I placed the Dynaplug tool in the pocket of my shorts and drilled a 2.5-millimeter hole in my rear tire, inflated to 32psi (a bit more than 2 BAR). Next, use a knife or the Dynaplug blade to cut the plug flush with the tread. The plug will remain in place and bond to the tire. (Clockwise) Plunge the insertion tube all of the way into the tire without twisting it and then pull the tool straight out. The alternative, at least for a racing situation, would be to pull off the track, prepare and arm the plug tool, burn a Co2 cartridge to inflate the punctured tire, plug the hole and (providing that sufficient pressure remains in the tire) be on your way. We have seen a number of plugging tools, pre-armed and taped to the frames of enduro race bikes, which lends credibility to the assumption that a rider can be going at full pace, recognize a puncture that is too large for the tire sealant to heal, get the bike stopped, whip out the tool, and plug the puncture before the air has totally escaped from the tire. Plugging a tubeless tire successfully requires that the tire is partially inflated - firmly enough to give resistance to the plug tool, so that it can be forced into the puncture and through the tire casing. Instructions say that holes larger than can be fixed with a single plug can be sealed with one or more additional plugs by holding the tail of the first one off to the side and adding another until the puncture is air tight. Reportedly, Dynaplug's viscoelastic/rubber plug requires no glue or adhesive to seal the puncture and it will work in the presence of sealing fluids like Stan's latex based sealant. The rounded heads can be used to plug larger holes, or used as a safety precaution, presumably to protect lightweight rims from damage, should the tire bottom and shove the brass plug against the rim surface. Plugs with pointed heads are used for smaller holes or tougher, thicker treads. The tapered air stopper tool (right) can be used to plug an additional hole while you are working another puncture, or to buy some time to get the tool sorted. The plugs are a tight fit in the insertion tool, but rolling them between the thumb and fingers will re-size them. (From left) The Dynaplug capsule is drilled to organize its six accessories and to store extra plugs. A seventh hole is used to store spare plugs. One side of the capsule is drilled to organize the tools - six of them - including two insertion tubes, which can be pre-loaded with plugs for fast repair stops a tapered point, which is used to stop the flow of air from the puncture while you are organizing the repair a file-probe tool with which to clear the puncture of any foreign matter a thin knife blade to trim the excess plug material that sticks out from the tire and a pipe cleaner to keep the inside of the insertion tubes clean. The two halves thread together and are sealed by an O-ring. Extra plugs: Five for $5.00 USD (available at fine cycling retailers or on-line)ĭynaplug's 6161-aluminum alloy capsule is rounded so you can stow it in a pocket or hydration pack and it won't damage nearby flesh or valuables.Contents: 5 tire repair plugs (pointed tip), 2 insertion tubes, 1 micro knife, 1 tapered air stopper, 1 clearing attachment.CNC-machined, sealed aluminum housing with internal tool organizer. ![]()
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