Length: 6.3 cm Width: 6 cm Height: 3.8 cm Weight in grammes: 69 g
The Vacuum ahead cap base from Fidlock is a vacuum-magnetic smartphone holder for the stem cap. This holder consists of a special Ahead cap that is screwed to the head tube of the bike. The base is then placed on the cap and attached either with a clamp and knurled screw or theft-proof with hexagon socket screws.