SPECIALIZED REAR RACK SEAT COLLARADD A RACK TO YOUR FRAMEHaving a rear rack on your bike is great for carrying around your gear. It is perfect for commuting to work or riding to the store. However, not all bikes have mounts for a rear rack, but there are ways to get around that without having to buy a dedicated commuter bike. The Specialized Rear Rack Seat Collar allows riders to add a rack to your frame. It allows standard rack stays to be bolted directly to the seat collar. This provides a clean and simple look. It is made from aluminum which makes it both lightweight and durable. Add some versatility to your ride with the Specialized Rear Rack Seat Collar.FeaturesAdds rack mountability to your seatpost collarMade from aluminum that makes it lightweight and durableThreaded inserts allow rack stays to be mounted directly to the collarSpecialized Part Number:28217-9051 | Specialized Rear Rack Seat Collar Black, 29.8mm