... 3.5N/M torsion. 2. Lighter , stronger We are specialized in designing and producing the trekking /walking/ski poles in China, sincerely to ... Ningbo Rainbow Outdoor Manufactory.From a recent test, our carbon trekking pole’s opp-6 locking system can bear ab.170Kg ... more thick, the diameter more thinner, it is lighter. NameCarbon Trekking PoleItem NO.M201Materialthe upper two sections are 50% carbon, and ...