The Fenwicks Bike Cleaner Concentrate 95ml. Fenwicks Cleaner Concentrate is the ideal home bike cleaning solution. Praised by professional cycling mechanics, it's a no-nonsense cleaner that will restore your steed back to its former shining glory without damage or scratching. The concentrated formula means you get twice as much for your money and it doubles up as a degreaser, keeping your componentry running smoothly.  Fenwicks Bike Cleaner Concentrate 95ml Features A no-nonsense cleaner that will restore your steed back to its former shining glory Concentrated formula means you get twice as much for your money and it doubles up as a degreaser