Fits Flat & Aero Bar Systems

The Piston® Pro features some of the same great features as The Piston® Pro X minus a few bells and whistles

Works on all derailleur bikes and many 3-speed and coaster brake bikes

Quick view indicator for the position of front and rear gears

VITTORIA Terreno T30 Fine Loose Tire - Gravel Endurance rear-derailleur Fits Flat & Aero BarThe champion of fine loose gravel With a T score of 30, the Terreno T30 is designed for riders who prioritize speed on fine gravel yet demand dependable handling and versatility when conditions become more technical. The Terreno T30 Fine Loose Gravel Endurance tire strikes the perfect balance between speed and control on fast rolling gravel. The T30 features a unique fish scale center strip and is optimized for low rolling resistance while maintaining