1. Asymetric chain stays offer improved stiffness
2. More rear tire clearance, 10mm on either side
3. Exclusive 51mm offset on Fox and Rock Shox forks, only available on Fisher 29ers
4. Fits smaller riders, increased fork offset improves foot/front tire clearance; Slacker head tube and increased offset allowed for reach to be brought back 2cm
5. Hydro-formed head tube area for stiff front end
6. Buttressed seattube/downtube junction for stiff front and additional strength
7. Integrated seatstays laterally stiffen and strengthen the frame while maintaining vertical compliance