Krypton 105 Di2 Size:XS Pro Penn Marathon is available

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

After much testing

Cartridge Compatibility: Compatible with 12g or 16g threaded CO2 cartridges

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

No-compromise

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