SIDI Teres Socks - White/Black 20cm Fits Sizes 40-43 MFPN=12961BR The new design features six

The new design features six slots that are machined into the base of the valve stem allows tubeless sealant fluid and air to flow freely even when running tubeless tire inserts

Triple cartridge bearings are centrally located for durability

} Modern replacement of the traditional chain whip

FSA stainless bearings

SIDI Teres Socks - White/Black 20cm Fits Sizes 40-43 MFPN=12961BR The new design features sixTERES are performance cycling socks with a streamlined polyester leg and breathable Q Skin foot for moisture control and antibacterial freshness. Built for speed with a lightweight fit and airflow boosting construction. Streamlined polyester leg designed for speed and performance Q Skin yarn is breathable and offers antibacterial properties Lightweight construction is ideal for high intensity rides Performance focused design: built for high speed