Warning signs: our bicycle stand with safety sign, and reminds people of it. A must for travel and cycling. Easy to install: this bike stand with adjustable length, optional model 24-700C, easy to install, quick to remove, good looking. Oval hole with discs: the mounting holes on the side of the bicycle stand are oval with washers and do not damage the frame. Easy to use or replace the old one. Excellent quality: the bike stand with exquisite workmanship, excellent quality, robustness and durability ensures long operating times. Specification: Color includes: white, black Material: aluminum alloy Weight: 350g Features: Adjustable length, suitable for a wide range of models. Adjustable length design, suitable for 22-27 inch wheel diameter bicycle use. Lower fork tube diameter range: oval tube, 15-21*27mm; square tube, 15-21*30mm. As long as the lower fork tube within this range, the installation will be no problem Package includes: 1pc* mountain bike side brace