ULTSPEED High Performance Aluminum Rear Sprocket  

The ULTSPEED Aluminum Rear Sprocket is a high-quality, affordable replacement or upgrade for your OEM drive system, delivering performance equal to or better than more expensive competitors.

• Constructed of aerospace-grade 7075-T6 aluminum; this is the same lightweight, long-lasting material used by more expensive brands.
• Weight-reduction holes for lightness.
• Exclusive tooth-valley design provide better chain contact area of the best power transfer possible.
  
• Brushed or Sand-blasted before anodization for added durability and a superb look.
• 40T/44T, 47T-52T available