Kit Shift Cable Shift Cable and Casing DriveTrain JAGWIRE Bike Jagwire is a leading manufacturer of transmission / brake housing for bicycles Thebrand has established itself thanks to its products mounted on Giant, Specialized, Felt, Trek, BMC, Cannondale, Norco, Scott, Globe, KHS, Bianchi, Ridley and hundreds of other international brands. For over 20 years, Jagwire has pioneered a new territory in the production of high-performance control systems.