Materials: The sock is constructed from a mix of 49% polypropylene

It'll seal up to a 1/4 inch hole

If you are after a comfortable elbow guard with a good level of protection than look no further than the 100% Teratec

No-sew abrasion element

Vorsprung Secus BIP - B1-B2 Debonair Seal Head Ignore Wholesale Tier 1 Brand Rule Materials: The sock is constructedGot a Rockshox Lyrik or Pike with a C1 Debonair air spring sealhead and want to run the Secus Fork Air Spring Upgrade? The replacement B1 B2 (Bananas In Pyjamas) 35mm sealhead provides more clearance and will prevent your travel from being compromised and your spring from topping out loudly. It also gives you back the pneumatic topout control the B1 B2 air springs had. Who this for: Owners of Lyrik or Pike C1 with or wanting the Vorsprung Secus Fork