The Zipp’s SL Speed Seatpost has become a favourite of road and cyclocross pros because of its light weight and dependability. Specification Material: Unidirectional Carbon. Post diameter: 31.6mm. Post length: 330mm. Hardware: Steel, Titanium. Clamp Material: Carbon. Offset/Setback: 20mm.
Best Price: £149.99 from Merlin Cycles