Fewer cogs also means less weight, a wider chain for better mud shedding -- it even fits on standard 10-speed freehub bodies so you don't need to buy new wheels for no reason. In short, it's everything you want in a high end drivetrain.

• 11-48t range with even gear steps for predictable gear changes
• Hardened steel cogs are optimized for eBike compatibility. For the lighter alloy version see the CS-G104
• ED black with anodized surface finish
• Continuously forged precision cogs