Features 1、1. Unique design: Ergonomic bicycle rest handlebar, Bicycle TT handlebar to relax in good road conditions during long-distance riding. 2、 2. Center clamp diameter: Suitable for handlebars 31.8mm (1.25inch) / 26mm (1.02inch) / 25.4mm (1inch). 3、 3. Easy installation: The handle of the bicycle stand is very light and easy to adjust and install. You can adjust the length of the armrest at will, so as to get rid of the numbness of the arms and hands on the bicycle, and ride for a long time without fatigue. 4、 4. Adjustable handle: The bicycle rest handle can help your arm rest comfortably. Whether it is for daily use or long-distance riding, you can adjust the comfortable riding position of the Bike Aero Bar in various ways, and your arms will not feel sore. 5、 5. Wide application: Suitable for road bikes, mountain bikes, triathlons, long-distance travel bikes, etc. The grip pad can be adjusted at multiple angles, and the sponge pad cover can be removed for cleaning. The hand tray and the sponge pad are fixed with hook and loop fastener. It is convenient for cleaning later, and the hand tray can be adjusted humanely. Specification: Material: aluminum alloy grip, tray: plastic, with 2 mounting screws Aluminum tube: hollow tube: diameter: about 220mm, total length about 40cm Installation size: suitable for 2.2cm-2.65cm handlebars Weight: about 450g/set Suitable models: road chronograph / triathlon / mountain folding / long-distance riding Suitable caliber: 31.8/26/25.4mm (26/25.4 needs to be filled with a semicircular gasket, the gasket is locked with two-way serrations, which produces friction and is not easy to slip) Reminder: Do not tighten the screws too hard. Avoid cracking of the fixed seat ring! ! Improper installation will cause damage, please handle it properly. TT handle installation precautions: The two mounting screws for fixing the handlebar should be locked synchronously to ensure the same locking depth at the front and rear to avoid damage caused by uneven force of the screws. (Locking torque 8-10KG) Package List 1 * Bicycle TT Handlebar 1 * Allen Wrench Tool