SILCA 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