Possible Clues:

• Main body of riders in a cycle race
• Main pack of cyclists in a race
• Equipment company named for a cycling group
• The main body of riders in a cycle race
• Pack of racing cyclists
• One plot to oust pack of cyclists
• Densely packed group of cyclists in a race
• Main group of cyclists in a race
• Main packed group in a cycle race
• Group of cyclists exercise: large number working