A selection of five stems of various lengths, 60 to 110 mm: $35 for RaceFace 80 to $100 for S-Works 110. Bontrager 31.6 carbon seat post, $50. Selle Italia monolink alloy 31.6 seatpost with friction-free (for narrow thigh clearance) SL saddle, $95. (Also comes with adapter for conventional 2-rail saddles)