Profile Design 40mm Aerobar Riser Kit for ZBS & T Series Carbon & Aluminum 118 allowing you to ride efficiently

allowing you to ride efficiently whether climbing

Their unique wave design allows for precise adjustment of bearing play

Whether you're carrying cargo trikes

wheelbase adjustment from 950mm to 1

high-performance handlebar grip solution

Profile Design 40mm Aerobar Riser Kit for ZBS & T Series Carbon & Aluminum 118 allowing you to ride efficientlyRaises 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