ShockStop Seatpost Spring Set wheel/frame lock Ventilation: excellent ventilation through 11

Ventilation: excellent ventilation through 11 air inlets and 6 air outlets

Built with all the tech you expect from a short sleeve jersey but rides like a short sleeve tee

Belgium rims feature a welded rim joint

Carbon fiber arms with structural foam core provide excellent strength-to-weight

for less expensive chainring replacements and reduced waste

ShockStop Seatpost Spring Set wheel/frame lock Ventilation: excellent ventilation through 11Replacement springs are an ideal upgrade if you need a bit more stiffness from your ShockStop Suspension Seatpost. The stiffer springs provide a more topped out feel, or if you're at the upper end of the weight range and want more support. Approximately 25% more stiffness than the standard spring set Includes two steel springs (one outer and one inner spring) Only compatible with the 27. 2mm diameter versions of the ShockStop Endurance Seatpost (both