The Tubeless Insert Kit is the ultimate stealth-mounted tubeless tire repair kit that discretely & securely inserts into the opening of a bicycle handlebar. It’s constructed from lightweight, durable machined aluminum & features a hardened stainless-steel reamer. The kit is easily accessible for quick tire repairs & comes with five high quality tubeless plugs that can also be stored inside its body. It also doubles as a bar-end plug, & comes with three differently sized O-ring fasteners to ensure a secure fit inside most handlebar openings. Note: Sealing performance may vary based on puncture size, tire size & tire pressure. Weight: 35g KIT: 5 tire plugs, combined tire reamer & insertion tool