Wind tunnel testing has also shown that increasing the stack of the armrests with the riser kit rather than steerer tube spacers reduces overall drag. Each riser is forged and machined alloy to be used alone or stacked.
Profile Design Aerobar Riser Kit
Profile Design Bicycle Cycle Bike Riser Kit Black - 60 MM
Profile Design Spacer-20mm Aerobar Bracker Riser Kit
Aerobar Bracket Riser Kit Fit for Profile Design 70mm Height
Profile Design Spacer-40mm Aerobar Bracker Riser Kit
Profile Design Aerobar Bracket Riser Kit
