CMI Micro Pulley - 7,000 lb MBS, 5/8 in Rope, 7075-T6 Aluminum, Purple Sideplates

Overview

The CMI Micro Pulley is a compact, high-strength pulley designed for vertical rope work. Built with 7075-T6 anodized aluminum sideplates and a bronze bushing, it delivers dependable movement whether you’re hauling on a wall or guiding lines in tight spaces. The aluminum sheave measures 1-1/4 inch in diameter and is compatible with ropes up to 13 mm (5/8 inch) in diameter, all while keeping the weight low for easy carrying.

Key specs at a glance

• Minimum Breaking Strength around 7,000 lbs (31 kN) for demanding setups
• Rope capacity up to 5/8 inch (about 13 mm)
• Purple anodized aluminum side plates for durability and visibility
• Bronze bushing provides smooth, reliable movement
• Weight approx. 0.25 lbs, aiding fast packing and grab-and-go use
• Sheave diameter of 1-1/4 inch for steady rope tracking

Materials and finish

• 7075-T6 anodized aluminum sideplates strike a balance of strength and light weight
• Purple finish adds durability and helps locate the pulley in gear setups
• Bronze bushing minimizes friction for smoother operation
• Aluminum sheave sized to promote consistent rope routing

Real-world uses

• Hauling and guiding rope along walls or in tight vertical spaces
• Lightweight option for rescue rigs or quick deployment scenarios
• Compact rope management in climbing or rappelling setups

Getting the most from your Micro Pulley

Pair this pulley with appropriate rope and anchors, and store it in a lightweight kit for ready-to-go rope work. While results vary by setup, the Micro Pulley offers a practical, portable option for vertical tasks that benefit from smooth movement and reliable strength.