Gazelle Trading Seatpost Shim Seat Post Tube Sleeve Adapter 27.2mm to 28.6mm/30.0mm/30.4mm/ 31.6mm for Mountain Bike,Road Bike,MTB,BMX,Fixie Gear
- Inner diameter is 27.2mm/1.07inch, 4 types of outer diameter to choose.use this seatpost sleeve adapter ring, you can use 28.6mm/30.0mm/30.4mm/31.6mm seatpost on your 27.2mm bike seatpost..
- Can be converted to 27.2 seatpost diameter of 30.4 or 30.8 or 31.6 diameter, just this little accessories can save money to buy a seat tube..
- Material: Aluminum alloy.Inner diameter: 27.2mm/1.07inch.Outer diameter: 28.6mm/1.13inch, 30.4mm/1.20inch, 30.8mm/1.21inch, 31.6mm/1.24inch.Length: app.6cm/2.36inch.Color: Black..
- Seatpost adapter shim 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..