This is the Giant P-SLR1 2012 Scandium Road Wheel. Against the clock, the competition, or a steep mountain pass. All-new Giant Wheel systems give you the edge. System Engineered Performance means every rim, spoke, and hub is engineered and designed with a holistic approach to improve performance. Each is focused on four key performance factors stiffness, aerodynamics, weight, and comfort and tailor-made to improve your ride.

Features:

• Ultra-light 21mm deep Scandium alloy rims, welded
• 21mm wide rim for better tire and aerodynamic performance
• CNC-machined braking surface
• Asymmetric rear rim design for increased lateral rigidity and more uniform spoke tension for a stronger, stiffer wheel
• Aerolite bladed stainless steel spokes — 16 front (radial), 20 rear (radial/2-cross)
• Locking alloy nipples
• Swiss hub internals
• Precision-sealed cartridge hub bearings
• Single-handed wheel release design
• Tubeless ready rim design
• 1390 grams/pair