Gear set and soup-up MD drag kits for Shimano 21 Antares DC reels. With these kits, your reel will have 6kg drag, 20% more drag capacity than original 5kg. Kit comes with a pinion, a drive gear, drag washers and clutch washer. The gears are the same as those of 21 Antares DC reels, but the drag system is from Shimano 23 Antares DC MD. Now we carry HG, 7.4:1 gears. The best kit to upgrade 21 Antares DC XG reels toward a little more heavy duty use. Please specify hand Right or Left.