[The original 27.2 to 30.4mm seat tube sleeve]

[The original 27.2 to 28.6mm seat tube sleeve]

[The original 27.2 to 30.8mm seat tube sleeve]

[The original 27.2 to 31.6mm seat tube sleeve]

[Original 27.2 to 30.0mm seat tube sleeve reducer]

[Original 27.2 to 33.9mm seat tube sleeve reducer]

1. Made of full CNC machining aluminum alloy, anti-slip.
2. Easy to install and remove, convenient for you to use.
3. With this seat post tube adapter, you can change the bicycle seat tube to the size you want.
4. Suitable for MTB bike, mountain bike, road bike, etc.
5. Please check the outer diameter of your bicycle seat tube. Measure the inner diameter of the old clamp. Or measure the outside diameter of the seat tube. Then make the right choice.

Spec:
Features:
Made of full CNC machining aluminum alloy, anti-slip, light weight and durable.
Easy to install and remove, convenient for you to use.
With this seat post tube adapter, you can change the bicycle seat tube to the size you want.
Suitable for MTB bike, mountain bike, road bike, etc.
Please check the outer diameter of your bicycle seat tube. Measure the inner diameter of the old clamp. Or measure the outside diameter of the seat tube. Then make the right choice.
Specification:
Condition: 100% Brand New
Material: Aluminum Alloy
Color: black
Options: 27.2mm to 28.6mm, 27.2mm to 30mm, 27.2mm to 30.4mm, 27.2mm to 30.8mm, 27.2mm to 31.6mm, 27.2mm to 33.9mm
SizeLengthWeight
27.2mm to 28.6mm60mm/2.36inch13g
27.2mm to 30mm60mm/2.36inch22g
27.2mm to 30.4mm60mm/2.36inch29g
27.2mm to 30.8mm60mm/2.36inch25g
27.2mm to 31.6mm60mm/2.36inch37g
27.2mm to 33.9mm60mm/2.36inch54g
Package list:
1 * Bike Seatpost Tube Adapter