Specialized Rear Rack Seat Collar

Personalize your ride with the Specialized Seat Collar. It fits all Specialized mountain bike frames with 30.9 or 35mm seatposts (O.D.).

Personalize your ride with the Specialized Seat Collar. It fits all Specialized mountain bike frames with 30.9 or 35mm seatposts (O.D.).

Add a rack to your frame, even if you don’t have rack mounts. Allows standard rack stays to be bolted directly to the seat collar, for a clean and simple look. Made from lightweight aluminum for durability, with threaded inserts to bolt the stays directly into the seat clamp.
  • Available in the following sizes: 29.8mm 31.6mm 31.8mm 32.6mm 34.9mm
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Specialized Rear Rack Seat Collar

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