NEW Halo II Headband, Black type_derailleurs-rear increasing the life of the

increasing the life of the chain and cassette

Tracks Functional Threshold Power (FTP) and cycling dynamics when used with Vector power meters

coated for durability and rust prevention

Spindle Interface Type: FSA MegaExo

Labeled Size: 700 x 38

NEW Halo II Headband, Black type_derailleurs-rear increasing the life of theHalo II Pullover Headbands feature a pullover design with no elastic to wear out and a patented water tight seal to direct sweat away from eyes. Sweat Block Technology features high performance Dryline fabric that provides rapid evaporation VisaEndurance fabrication prevents bacteria growth Machine washable Lightweight and durable Maintains shape Works great under helmets Unisex and one size fits all Dryline fabric Season: Warm Weather Size: One Size