The profile design aerobar bracket riser kit raise the aerobar closer to your reach and away from either the base bar or handlebar with the simple addition of this kit profile design aerobar bracket riser kit features genuine profile design aerobar adjustment kit raise the aerobar closer to your reach and away from either the base bar or handlebar with the simple addition of this kit can be used with all profile design aerobars range of adjustment is 5 mm 10 mm or max 15 mm per kit k