Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Rotolock / Product design

Rotolock
Rotolock

Rotate the handlebar 90 degrees, turn the key to lock it and the brake to lock the wheel.
Turn the key again to unlock and reset the brakes the wheel.

University

Zhengzhou University of Light Industry

Zhengzhou University of Light Industry
ZhengZhou, China

Xue Chenhong,
Zhengzhou University of Light Industry

Li Yang,
Zhengzhou University of Light Industry