SDG I-Fly 2.0 I-Beam Saddle - Black/Orange 700c From the first time we

From the first time we rode the Spark’s single pivot layout we fell in love

The nut to thread into the rear axle is included

tubeless-ready wheels

Madshus Empower™ Technology: Embedded RFID chips for data access

SDG I-Fly 2.0 I-Beam Saddle - Black/Orange 700c From the first time weI Beam: fiber composite single mono rail design for superior weight to strength ratio, with the widest range of adjustments Low profile nylon glass fiber base for unsurpassed strength Rear Buzz Cut cut out for increased tire clearance Microfiber top with protective Kevlar side panels, lightweight EVA foam padding Requires SDG I Beam specific seatpost TECH SPECS rails I Beam top microfiber color black orange LxW (mm) 257x128 weight 166g