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Feature

Made of aluminium alloy
Inner diameter is 27.2mm/1.07inch, outer diameter is 31.6mm/1.24inch
Use this seatpost sleeve adapter ring, you can use 27.2mm seatpost on your 30.4/30.8/31.6mm bike seatpost
Please check your bike frame seat tube outside diameter. measure the inside diameter of your old clamp.
Or measure the outside diameter of your seat tube (on your bike frame). then make a right choice

Description

Description:

Made of aluminium alloy
Inner diameter is 27.2mm/1.07inch, 3 type of outer diameter to choose
Use this seatpost sleeve adapter ring, you can use 27.2mm seatpost on your 30.4/30.8/31.6mm bike seatpost
Suit for MTB bike, mountain bike, road bike etc
Please check your bike frame seat tube outside diameter. measure the inside diameter of your old clamp.Or measure the outside diameter of your seat tube (on your bike frame). then make a right choice

Specification:

Material: aluminium alloy
Color: Black
Inner diameter: 27.2mm/1.07inch
Outer diameter: 30.4mm/1.20inch; 30.8mm/1.21inch; 31.6mm/1.24inch
Length: 6cm/2.36inch

Package Includes:

1 Piece Seat Post Tube