9.5 mm Single Dynamic Rope
Small but mighty: With a new sheath and bantamweight core construction, the Helix is Sterling's skinny workhorse. Blending the right features - the ease of the 9.5-diameter rope, durable and light, with low impact force - the Helix is ideal for high-end sport, trad and mixed climbing.
All colors now available with DryXP UIAA Water Repellent Treatment
Non bicolor options include a Middle Mark.