Silca Latex Inner Tube + SpeedShield Size:42mm + 40mm Extender + SpeedShield and assists with moisture wicking

and assists with moisture wicking

Also fits SRAM XX1

614 inch (41 mm) seat rail grip length

500 inches shorter than our grip length

Each tool fits into and out of it’s slot with a satisfying ‘click’ so that even when stretched one-handed from work stand to workbench

Silca Latex Inner Tube + SpeedShield Size:42mm + 40mm Extender + SpeedShield and assists with moisture wickingSILCA 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