A cunning evolution of beloved Racer; the Racer Pro uses threaded and reversable insertion plugs to double the Racer's capacity to 4 insertion tubes whilst keeping the fast deployment and compact form the Racer is known for Dynaplug is the fastest, easiest and all-round best way to repair a tubeless tyre mid-rideWhen needed, just remove whatever caused the puncture, firmly push the novel insertion tube straight into the hole and extract the tool, depositing the repair plug in the tyre, done! The sealant-friendly repair plug is a unique viscoelastic impregnated rubber that bonds instantly and permanently with your tyre, and the nonabrasive tip will not scratch your rim or puncture your rim tapeNo need to remove the tyre, no messy glues or solvents, just plug and go, go, GO!The double-ended Racer Pro holds four preloaded insertion tubes; three with a standard soft nose plug for standard holes and one with an extra-large Megaplug for fixing more serious tyre damageSuper compact and light weight at just 107 mm long and 26 gramsA plug tail can be snipped off later if it bothers you; trim to about 4mm long depending on the locationKit includes the tool itself with 3 standard and 1 megaplug stainless steel insertion tubes, 1 x Megaplugs and 3 x soft nose standard plugsMade with pride in the USA with patented technology and warrantied for life under normal usage