S 3 Flow Saddle - Fec Alloy, Black, S2 rigid seatposts Spindle-based power meter unit measures

Spindle-based power meter unit measures left side power to calculate total watts

DT Swiss standard alloy nipples have a square interface and slot on the top

an air intake system for ventilation

Alloy Construction: Lightweight yet durable aluminum post body ensures long-lasting performance

Ergonomic lever blade provides comfort and control

S 3 Flow Saddle - Fec Alloy, Black, S2 rigid seatposts Spindle-based power meter unit measuresThe S 3 Flow saddle delivers comfort, ergonomics, and performance for people riding their bikes for transportation and errands. As the narrowest of Selle Italias Commuting saddles, S 3 Flow maintains the style of a racing saddle while maximizing pedaling comfort, even on city streets. Covered in Soft Tek polyurethane with a gel layer inserted inside the padding, and the Flow central cut out work together to cushion road vibrations and relieve pressure