Bottom of the rim Special x25

SPECIAL rim base
Inner tube protection
Durable rim base, guaranteed inflation pressure up to 145 psi
Prevents punctures caused by spoke-heads
Lightweight, high-pressure rim base for bicycle wheels. Excellent protection against spoke-head punctures. Easy to install. This Italian-made tape is light and thin, so it doesn't interfere with tire mounting. An elastic material in nylon is used to ensure optimum fit without movement.