Silca Ultimate Tubeless Sealant Optic Nerve Knurling on the side of

Knurling on the side of the socket improves grip when threading cups by hand

Its compact design means you’ll always bring it with you wherever you’re riding today

Die cast aluminum crank arms are lightweight and durable

Easy to clean and re-use

Silca Ultimate Tubeless Sealant Optic Nerve Knurling on the side ofSilca Ultimate Tubeless Sealant uses FiberFoam technology to harness the power of carbon fiber to seal up to 7mm punctures without losing pressure. Effective down to 10F 12C Seals 7. 5mm holes for up to 6mo Injectable through your valve seals a 6mm+ puncture and lasts up to 6 months. The perfect sealant for those looking for the ultimate sealing power longevity and ease of use. Use Replenisher every 90 120 days for best performance 6 9 and 12mm