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A strong, versatile, and robust pulley system built to last. The SBI Pulleys are a fantastic tool for the cost-conscious slackliner that needs an easy way to get their lines tight. This system comes with everything you need to rig lines up to 100m in length, or any length under 2,000 lbf of tension (8.9 kN).
Built in brake! These pulleys have no need for an external brake system since it's built in to the pulleys! This drastically simplifies the setup and take down of your line and also reduces the amount of gear needed! A super simple tensioning system for all levels of slackliners.
A versatile anchor hole allows for a variety of connectors to attach gear to the pulley system. Soft and steel shackles both work quite well with these pulleys.
Designed and assembled in the US.
Updated Design information coming soon.
Dimensions
a - Pulley Length – 157.7 mm (6.21 inches)
b - Pulley Width – 82.3 mm (3.24 inches)
c - Pulley Height – 64.5 mm (2.54 inches)
d - Sheave Diameter – 63.8 mm (2.51 inches)
e - Tread Diameter – 52.6 mm (2.07 inches)
f - Anchor Hole Length – 18.8 mm (0.74 inches)
g - Anchor Hole Width – 18.8 mm (0.74 inches)
h - Anchor Hole Thickness – 8.4 mm (0.33 inches)
i - Becket Hole Length – 18.8 mm (0.74 inches)
j - Bechet Hole Width – 18.8 mm (0.74 inches)
k - Becket Hole Thickness – 6.6 mm (0.26 inches)
Weight – 2.5 - 4.2 kg (5.5 - 9.3 lbs)
Rope Diameter – 11.1 mm (0.44 inches)
Strength
MBS – 44.5 kN (10,000 lbf)
WLL – 8.9 kN (2,000 lbf)
Material
Body Material – 17/4PH Stainless Steel
Sheave Material – Delrin
Axle Type – Bushings
In The Box
- 1x Big Bro SBI Pulley (brake pulley)
- 1x Small Bro SBI Pulley (non-brake pulley)
- 1x Cut of 11.1 mm Static Rope (length depends on your selection)
- 1x SMC CRx Pulley
- 1x BC Aluminum Carabiner
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