The 575 has been one of Yeti's most popular bikes for years! It's the definition ofversatile; lightweight and efficient when riding up hill, burly andsure footed when gravity takes over. For '11 Yeti made the 575even more capable, adding several key features while maintaining it'slightweight, all mountain heritage. Up front you'll find agorgeous hydroformed tubeset with tapered head tube, ISCG mount and acompletely redesigned main pivot. The main pivot utilizesdouble row bearings and hydroformed junction for unparalleled stiffnessand durability. The rear triangle has been completelyredesigned as well. Stout alloy chainstays, with internalderailleur cable routing, lead back to the dropouts. There youwill find Yeti's chip system, run QR(standard) or 12x142QR(soldseparately) the choice is yours. Moving up to the seatstaysyou'll see lightweight yet strong carbon fiber construction. Even thegeometry has been updated, with a slightly lower bottom bracket andslacker head angle.Frame Custom butted and hydroformed 7005 alloy tubeset Oversized alloy chainstays with internal derailleur cable routing Carbon fiber seatstays Direct mount front derailleur mounts to main pivot for enhanced clearance ISCG '05 mount Cable stops for 'dropper' seatpost Yeti chip system dropout, standard QR included Very efficient suspension design Excellent descending performance Stable at speed Uses 30.9 seatpost Tapered headtube Recommend fork travel 150mm 73mm bottom bracket shellSuspension Fox RP23 rear shock with Boost Valve Adjustable 'Pro Pedal', air pressure and rebound.