The SL-K seatpost is constructed with a UD Carbon shaft tube with a 2 bolt SBS alloy head and chromoly Hardware.
UD Carbon shaft with bonded alloy head
... New MTC head (SB0)
Chromoly Hardware
Zero Setback
UD carbon finish
27.2mm / 31.6mm
--RM170
FSA SL-K Stem
The SL-K stem is designed to be light and strong. It is 3-D forged then CNC machined from AL7050. A carbon fiber composite 4-bolt front clamp and Chromoly hardware ensure low overall weight.
Length: 95mm