Genuine Shimano Drive Gear (part 100XS) — the drive gear is the primary power transfer component in your spinning reel, converting handle rotation into spool retrieval. A worn or chipped drive gear causes grinding, rough retrieve, and eventual gear failure under load. Cross-references with Shimano part number RD21092. OEM replacement ensures perfect fit and factory performance. Available from Offshore Tackle & Repair in Stuart, FL — your trusted source for genuine Shimano reel parts.









