ENVE x SILCA Valve Extenders Size:75mm Set but substitutes a folding bead

but substitutes a folding bead material for reduced weight

High bottle retention

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

a very SILCA take on the traditional multi-tool

25mm or 40mm

ENVE x SILCA Valve Extenders Size:75mm Set but substitutes a folding beadSILCA 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