• Made of premium aluminum alloy and silicone, the tubeless is ultralight, corrosion resistance, good sealing, no air leakage
• The length of the tubeless stem is 40mm / 60mm, and the bottom diameter is 10mm.
• The tire tubeless with detachable core is convenient for inflation and can be easily filled with tubeless sealant
• Put the O- under the lock nut. prevent your tubeless rim from scratches while tightening the lock nut.
• The is suitable for most tubeless rims wheels of mountain bike, road bike, etc.

1 Piece Tubeless Presta Stem