Feature(may vary by option.)

●[Easy upgrade] ---- Size: 25.4 to 26.6 (26.4/26.8) bicycle seat post reducing sleeves. If you need to upgrade your bike, choose this bicycle seat post sleeve as a replacement. You dont have to cost extra money to buy a new bike seat post. Package list: bicycle seat post reducing sleeves x 1
●[Product Specification] ---- Length: 100 mm, longer than usual 60 mm, 80 mm bicycle cover, more stable, durable, made of 6061 aluminium alloy, lightweight, corrosion resistant. CNC machined surface, high friction without loosening.
●Friendly reminder: Please check your original seat post size (check the laser marking on the tube or measure it), compare with the seat post size of the new bicycle frame and then choose the right seat post adapter reducing sleeve. You can check the description picture, we offer 4 choices for your reference
●Operating method: After you have selected the right bicycle seat post reducing sleeves, when you insert the sleeve into the bicycle frame, please adjust the status of the seat posts seat clamps. 1> loosely - the support can move easily, tighten the saddle clamp screws. 2> too full - sleeve could not be inserted, loosen the screws after inserting the posts and washers, and tighten the saddle clamp screw
●Wide application: this sleeve is neatly made, the specified size is correct and so you get the seat post/saddle reasonably firm. Suitable for mountain bike, hybrid bike, city bike, cruiser, cyclocross bike, dirt jumper, folding bike, road bike, e-bike seat post enhancement


Description

Features:

With this seat post tube adapter, you can change the bicycle seat tube to the desired size.
Suitable for mountain bike, hybrid bike, bicycle commuting, cruiser, cyclocross bike, dirt jumper, folding bike, road bike.

Please check the size of your original bicycle seat post and the new top tube of the frame clearly and then make the right choice. Thank you!

After you have selected the right bicycle seat post reducing sleeves, when you insert the sleeve into the bicycle frame, please adjust the status of the seat post seat clamps.
(1) Loose - the support can move easily, tighten the saddle clamp screws.
(2) Too full - washers could not be inserted, loosen the screws after inserting the posts and washers, and tighten the saddle clamp screw.

Package list:
1 x bicycle seat post reducing sleeves