Silca Presta Valve Core 6 Pack derailleur hanger Maximize your watts in the

Maximize your watts in the final sprint

Silver chrome finish

Simple 3-step button operation

Bluetooth series and all Monteer bike lights

Pannier Rack

Silca Presta Valve Core 6 Pack derailleur hanger Maximize your watts in theThese can be used to upgrade or replace your existing valve cores in tubular, tubeless and high end clincher inner tubes. Pack includes 6 valve cores and 1 removal tool. So we've always noticed how really expensive tubulars had such nice valve cores with smooth edges and high quality seals that resisted sticking. When we started developing SILCA Tubeless valve stems, we set out to find the best cores, and realised that only a handful of companies make