Was it hard to see on the trail? Store your glasses safely with the handlebar glasses holder. Opens and closes with lock. Exclusive product tested and approved. Compatible with most eyewear models. Measures: The height in the center of the glasses, from the nose support to the top, must not be greater than 33mm and the thickness must not exceed 10mm. Suitable for all types of cycling. Easy installation with 2 nylon clips for fastening.