Outer tube is 7010 T73, which has extreme resistance to mechanical damage and is anodized to prevent corrosion # Inner tube is ultra high strength 7010 T6 Aluminium and is hard anodized to resist wear from twist grip and controls # Rubber seals cover the join to keep out water and cleaning fluids # Laser etched positioning grid # Renthal's pioneered bonded lightweight single bolt clamping system for the cross-brace, greatly increases strength whilst still allowing flex # Knurling - Grip end only - increases bonding between bar and grip # No knurling in clamp area, this could cause a stress riser and lead to fatigue failure # Comes fitted with bar pad