10BNM (TT 0228 Pressure Spring (C))

Genuine Shimano Pressure Spring (C) (part #10BNM), also referenced as TT 0228. This pressure spring is used in the internal mechanism of Shimano TT-series conventional reels, including the Tiagra, Trinidad, and Torium series. It provides the necessary tension to keep critical internal components properly seated and functioning under load, ensuring reliable reel operation during heavy-duty offshore fishing. Cross-references part number TT 0228. A factory-original Shimano replacement spring built to OEM specifications. Available from Offshore Tackle & Repair in Stuart, FL — your trusted Treasure Coast source for Shimano reel parts and service.