ENVE x SILCA Valve Extenders Size:75mm Set positive charge build up will

positive charge build up will bring dirt and dust particles from the road onto the bike

These particles are not macroscopic (e

Removable presta valve core

yet stiffer and stronger than either full plastic or metal core designs

ENVE x SILCA Valve Extenders Size:75mm Set positive charge build up willSILCA valve stem extenders for tubular tires and tubes with removable valve core. The 34mm set is optimized for the SES 3. 4 and SES 3. 4 Disc. The 45mm set is optimized for the SES 4. 5 and SES 5. 6 Disc. The 75mm set is optimized for the SES 7. 8 and SES 7. 8 Disc. ENVE recommends that the length of your tire tube valve + the length of your extender exceeds the depth of the rim by at least 10mm. Mfr Claimed Weight TBC