IZUMI SUPER TOUGHNESS KAI 1/8 TRACK CHAIN Bike-Product Giant OD2 Road Headset is

Giant OD2 Road Headset is compatible with all Giant OverDrive 2 road bikes (1¼" to 1½" diameter)

combining efficient climbing

Airmesh back panel with deep channel for air circulation

MTB specific

With an ESC safety system

IZUMI SUPER TOUGHNESS KAI 1/8 TRACK CHAIN Bike-Product Giant OD2 Road Headset isSpecifically designed for the Tokyo Olympics, this chain features a very slick, highly functional new coating on the plates, bushings and rollers which is said to reduce resistance and drag by 10% compared to the traditional Model V Super Toughness when used in combination with a high performance lubricant. This new technology also increases hardness, durability and corrosion resistance. Specification Use: Track racing, eBike Speed: Single Size: 1 2 x