Extension Sets are the core of the Stage One system. Each set includes two threaded detachable rails using precisely machined tubes and inserts to ensure excellent seamless alignment, and at least one mid-span support. Extension sets require a Stage One Hardware Set which includes the cart and end brackets to be fully functional. Carbon fiber and aluminum extension sets should not be mixed in the same rig. Each extension set adds a specified total length to your slider. The mid-span support keeps your cart on the rails and provides an attachment point for standard supports, including tripods with 1/4-20, 3/8-16, or light stand heads.
Extension sets are available in the following configurations:
20" Carbon Fiber 40" Carbon Fiber 60" Carbon Fiber
For smoothest runs, the lightest weight rigs, or the lowest cost lengths, longer extension sets are provided. For maximum portability, choose shorter extension sets which pack down smaller.
Extension Tube diameter : 0.996 inch nominal [carbon fiber] Weight (both rails, including mid span bracket): Carbon Fiber 20"
0.7 lb (0.32 kg) Carbon Fiber 40"
1.3 lb (0.59 kg)
Carbon Fiber 60"
1.9 lb (0.86 kg)
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