When you hear someone refer to a groupset, it is typically a cycling term that means the components on your bike. More accuratly the brake calipers, brake levers, gear shifters, front and rear deralier, crankset, bottom bracket, chain and cassette is what a groupset is. So the next time someone asks what type of groupset you have, look at the logo that is normaly pasted on the item, the main groupset providers are Shimano, SRAM, and Campagnolo. -Basti
This is a cycling term and it means the components on your bike which are involved in braking, changing gear, or running the drive train. This means your brake calipers, brake levers, gear shifters, front and rear mechs (derailleurs), crankset, bottom bracket, chain and cassette (sometimes called block). The main groupset providers are Shimano, SRAM, and Campagnolo.