Alpitude - Stelvio Carbon Mount for Black Inc Integrated Handlebars By Product_Accessories Do I need top tube

Do I need top tube bosses

but they have a very different look and purpose

Supplied with a  torx t25 screw made in aerospace titanium Ti 6Al-4V (grade 5)

Prototipo Works M5 316 Stainless Steel Low Profile Bidon Cage Bolt

This is a computer mount made using 3D printing from Nylon designed to hold a Wahoo Element Bolt in the middle of a pair of integrated handlebars

Alpitude - Stelvio Carbon Mount for Black Inc Integrated Handlebars By Product_Accessories Do I need top tubeDescription Stelvio x Black Inc , the lightest mount+combo ever: 19. 5 grams. 100% handmade job, monocoque carbon fibre body. Hand Made in Italy Weight: 16 grams (without ti screw) 19. 5 grams with combo mount Compatible only with Black Inc integrated handlebar Short version: for small garmin, polar m450 and wahoo Bolt + Omata Normal version: for big devices such as edge 1000 (or 1030), Polar V650 . Whats in the box: mount, plastic insert, two M5 Ti