Retrospec Bicycles Fixed-Gear Crank Single-Speed Road Bicycle Forged Crankset;

This is the new and improved three-piece Mantra crankset from Retrospec Bicycles. Forged like never before, it€s denser and burlier but still lightweight. The alloy crank and steel chainwheel will allow you to ride more efficiently with a smooth cadence day in and day out and in turn reduce the need for constant maintenance. This crankset is the force behind your bicycle, whether you're riding fixed or single-speed. Available in a variety of bright colors and sizes to make it easier for you to customize your ride.