S 3 Flow Saddle - Fec Alloy, Black, S2 rigid seatposts Alloy Construction: Lightweight yet durable

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

The advanced tooth profile design creates an optimized contact point between the chain and chainring

the frame is 50 grams lighter

and a waterproof two-way YKK zipper

an air intake system for ventilation

S 3 Flow Saddle - Fec Alloy, Black, S2 rigid seatposts Alloy Construction: Lightweight yet durableThe 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