Krypton 105 Di2 Size:XS Pro Penn Marathon is available

Pro Penn Marathon is available in Extra-Duty Felt (for hard courts)

Experience a surge of a new found energy in this exclusive style

The components of the GEL-NIMBUS® 23 Knit shoe help increase the softness without forgoing the integrity of the shoe's ride

and is fully rebuildable

Krypton 105 Di2 Size:XS Pro Penn Marathon is availableTake the long way home: The most versatile bike in our lineup, the Krypton keeps your legs fresh over any distance and any surface. With increased tire clearance, a downtube storage compartment to carry tools and gear, and shorter chain stays, the Krypton offers a more reactive and responsive ride, from pure tarmac to off piste. Steady on the rough, sharp on the smooth, and flat out fast over the long haul, the new Krypton is a refined ride for any