7600 Dura-Ace Track Sprocket, 13 teeth, size 1/2 x 3/32 inch, silver. article number Y-27913000 Key benefits - Delivers a precise track gearing option as part of the Dura-Ace 7600 track family - Designed to work with standard track chain size 1/2 x 3/32 inch for reliable engagement - Silver finish provides consistent appearance with other Dura-Ace components - Provides a stable rear cog for track and fixed-gear riding, supporting clean chain line and predictable performance Specifications - Brand and model: 7600 Dura-Ace Track Sprocket - Teeth: 13 - Chain size compatibility: 1/2 x 3/32 inch - Finish: Silver - Article number: Y-27913000 Compatibility - Designed for use with Dura-Ace 7600 track drivetrain setups - Fits standard track chain width and pitch (1/2 x 3/32 inch) Performance and function - Rear sprocket intended for track and fixed-gear bicycles - Supports reliable traction and chain engagement during high-c cadence or sprint efforts - Maintains proper chain alignment when paired with appropriate chainring and crankset in the 7600 series Use scenarios - Replacing a worn or damaged sprocket on a Dura-Ace 7600 track bike to restore intended gearing and performance - Building or restoring a Dura-Ace 7600 track or fixed-gear setup with a 13-tooth rear cog for specific gearing needs - Keeping a spare part on hand for club riders, racers, or bike shops servicing track or fixed-gear bicycles Installation notes - Install as rear sprocket on compatible track cranksets using standard track chain (1/2 x 3/32 inch) - Verify proper chain engagement and alignment with the rest of the drivetrain components before riding