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Specification:
Name: bicycle seatpost adapter
Material: aluminum alloy
Process: CNC processing, surface color anodic treatment
Size:
27.2-25.4mm
28.6-25.4 mm
28.6-27.2mm
30.0-27.2mm
30.4-27.2mm
30.8-27.2mm
31.6-27.2mm
31.8-28.6mm
33.9-27.2mm
34.9-31.8mm
Length: 60MM
how to choose: First measure the inner diameter of the tube in the frame And the outer diameter of the seat tube You can know the specifications of the reducer sleeve.![package](https://ae01.alicdn.com/kf/HTB1ijsbV4TpK1RjSZR0q6zEwXXay.jpg)
Package included:
1 pc x Bicycle Seat Post Adapter
![product](https://ae01.alicdn.com/kf/HTB1DB7bV4TpK1RjSZR0q6zEwXXaI.jpg)
![xq1_02](https://ae01.alicdn.com/kf/H221dc92acf9c4a4c96e37294fc9383a79.jpg)
Special Note: all seatpost adapter have size requirements.
Product name: Seatpost caliber AdapterBe sure to determine the size before purchasing.![xq1_04](https://ae01.alicdn.com/kf/H8840bf83807846a785a38c67d7db5b7c4.jpg)
Colour: Black
Material: Aluminum alloy
Size: Length 60mm
Uses: The diameter of the seatpost can only be changed from large to small,
not small to large, please see the purchase clearly.
Standard size, manual measurement
How to select a Seatpost adapter ?
1: First look at how big the Seatpost,There are usually markings. If there is no mark,
need to measure diameter. For example, my current seatpost is 27.2
2: Measure the inner diameter of the seat tube hole of the frame, as shown in the figure, it is 30.8
3:Then we choose the 27.2 to 30.8 caliber seatpost reducer