Aluminum alloy seatpost adapterSEAT-A272309
Easy to install seat post adapter for 30.9mm diameter frame
Aluminum alloy adapter to mount 27.2mm sleeves on 30.9mm diameter frames. This seatpost adapter is to help you change the bicycle seat tube to the size you need, so you can get a more comfortable ride.
Easy to install: This bicycle seat post adapter has a simple design, which can make the installation and disassembly more convenient and effortless, it is suitable for MTB bicycles and road bicycles.
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