• Two walls are stronger than one
• Large 1 1/8 in. diameter (28.60mm) incorporates a bar within a bar, both made from different aluminum alloys with different properties
• External tube resists mechanical damage, while the interior tube is an ultra-high strength aluminum alloy hard-anodized to fight off twist-grip and control movements
• Exterior is anodized to resist corrosion
• Rubber seals at the ends of the tube keep out water, power washer detergent and other corrosive fluids
• Laser-marked in center to ensure accurate positioning
• Not knurled to minimize stress points

NOTE:
Requires 1 1/8 in. mounting brackets:

8mm Part Number 59-2926
30mm Part Number 59-4617
50mm Part Number 59-4618