The lightest Dynaplug yet, the Racer Ultralight uses tough glass-reinforced injected nylon construction to get the racer's already low weight down to a barely there 14 gramsAlso included is a custom silicon holder, tested for a year in the back country of California and the UK, this lightweight mount fits under your bottle cage and holds your racer securely and rattle-freeDynaplug 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 brass 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 holds two preloaded insertion tubes; one with a standard soft nose plug for standard holes and one with an extra-large Megaplug for fixing more serious tyre damageEach is covered by a waterproof CNC'd cap, so the plugs are kept ready to go at a moment's notice, even after being strapped to your bike for monthsWeighs in at just 23 grams! so even the weeniest of weight weenies have no excuses. The 93 mm length is easy to store in a pocket or strapped to a frame for faster accessA 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 both standard and megaplug stainless steel insertion tubes, 2 x Megaplugs and 3 x soft nose standard plugsMade with pride in the USA with patented technology and warrantied for life under normal usage