they told me that Cannondale would invalidate the warranty if I was running 25s on it.
That's bullshit, considering racers have 25mm on the rear.
CSG is notoriously known for being stingy and slow.
They're also supplied with 25c tyres, e.g: "Mavic Aksion, 700x25c, folding"
@Chris. started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
That's bullshit, considering racers have 25mm on the rear.
CSG is notoriously known for being stingy and slow.