Silca Latex Inner Tube + SpeedShield MISC Riding out of saddle on

Riding out of saddle on the uphill will become more pleasant

Impero Ultimate features a high tech head gasket with unique 2-stage seal to provide ultimate sealing and holding even when compared to lever chuck designs

Allowing time to work (between 2 to 12 hours

durability and ergonomics

Improves climbing efficiency and reduces weight (~10 grams)

Silca Latex Inner Tube + SpeedShield MISC Riding out of saddle onSILCA has partnered with Vittoria, to create the highest quality, lowest rolling resistance, finest riding inner tube, sized for modern clincher tire setups. Why Latex? Compared to standard bicycle inner tubes which are made of WheelsTybutyl rubber, latex is significantly more elastic (10x elongation compared to 2 3x), but more importantly, latex rubber has significantly lower coefficient of damping which means that when latex rubber is stretched or