2XU Women's Active 4.5" Tri Short Size:Large Machined aluminum top cap is

Machined aluminum top cap is threaded for easy installation on any road bike

Tannus Armour is a special insert that wraps around your tube providing up to 15mm of puncture protection in addition to other benefits

Single-speed calling your name

Valve Type: Schrader

2XU Women's Active 4.5" Tri Short Size:Large Machined aluminum top cap isFeaturing performance fabrics and technologies, the Active triathlon collection is the best in its class. Utilizing SBR SKIN technology for flexibility and comfort, while HI FIL MESH provides moisture management and breathability properties to enhance performance. GARMENT FEATURES 01. SBR SKIN offers mid gauge muscle support and stretch 02. Easily accessible side pockets to hold essential hydration gels 03. Y elastic gripper with low profile silicone