Comes in a handy pocket bag that easily fits in a jersey pocket

If you follow the guide in the video below

2mm handlebar clamp for use on either side of your MTB handlebars with or without shifters

How good is that

Width: 810mm

AlpineStars Drop 4.0 Short Sleeve Jersey - L - Green - Steel - Tangerine netsuite-webdata-created Comes in a handy pocketFeaturing a design optimised for Enduro riding, the Drop 4. 0 Jersey features a lightweight, advanced poly fabric main shell for effective drying and moisture wicking, while offering rider comfort and performance. Features: Designed specifically for Enduro riding. Durable advanced poly fabric construction to promote moisture wicking and temperature control. Lightweight design is low maintenance for easy care. Quick drying fabric wicks moisture away