Description: Teufelberger (New England Ropes) Tachyon is a new entry into lightweight climbing lines. Tachyon is a versatile, lightweight, 11.5mm climbing line from Teufelberger. Firm yet flexible and significantly improves friction hitch performance without bulging. Solid dual purpose line (MRS, SRS). Excellent compatibility with hardware and ascenders. Low stretch at low loads for less bounce while climbing. High stretch at high loads to minimize impact in the event of a fall.