Profile Design 40mm Aerobar Riser Kit for ZBS & T Series Carbon & Aluminum 118 and maintenance-free bearings ensure long-lasting

and maintenance-free bearings ensure long-lasting reliability and smooth pedaling experience

wheelbase adjustment from 950mm to 1

The carbon composite sole features a stiffness index of 11

Equipped with multiple chain size adapters and adjustable settings

Profile Design 40mm Aerobar Riser Kit for ZBS & T Series Carbon & Aluminum 118 and maintenance-free bearings ensure long-lastingRaises armrest and extensions together to maintain a comfortable wrist position . Kit includes 2 risers and 4 bolts specific to the kit size . Multiple kits can be used to reach desired height up to 70mm rise . If stacking kits you will need to purchase the correct bolt length to match the desired stack Sold Separately: Aerobar Riser Bolt Kit . Compatibility: Sonic Ergo, Supersonic Ergo, Subsonic Bracket, Neosonic Bracket, J4 Bracket, J3 Bracket and