Inviscid Design Speedfil Z4 – Review
When Inviscid Design launched the Speedfil Z4 they promised us a product that would change—possibly even revolutionize—how we setup our bikes. We shared our first look at the Z4 in July –http://aerogeeks.com/2013/07/10/inviscid-design-speedfil-z4-cage-first-look/ and […]