SDG Patriot I-Beam Saddle Black/Gray MFPN=58918 Adjustable heel section where the

Adjustable heel section where the boot size is preselected using snap hooks on the heel rails

5mm uninstalled wall thickness

One size does not fit all

Shimano ST-RX400-R GRX 10 speed shift levers use a different cable pull than Shimano's 10 speed road shift levers

Designed to be used in conjuction with Flight Attendant equipped ZEB

SDG Patriot I-Beam Saddle Black/Gray MFPN=58918 Adjustable heel section where theI Beam: lightweight fiber composite single rail integrated into base Super low profile for strength and clean aesthetics Minimal padding with 1 piece embossed Kevlar for additional grip and durability Requires SDG I Beam specific seatpost TECH SPECS rails I Beam top Kevlar color black gray LxW (mm) 247x129 weight 217g