Database: bike_racing
Question: What are the distinct product names of bikes owned by cyclists from 'Russia' or cyclists from 'Great Britain'?
SQL:
SELECT DISTINCT T3.product_name FROM cyclist AS T1 JOIN cyclists_own_bikes AS T2 ON T1.id  =  T2.cyclist_id JOIN bike AS T3 ON T2.bike_id  =  T3.id WHERE T1.nation  =  'Russia' OR T1.nation  =  'Great Britain'