new DK OPSIS 2011 info from ACEbmx.com
Frame: 4130 Chromoly Main Frame W/ Removable Gyro Tabs
Fork: 4130 Chromoly W/ 990 Mounts
Handlebars: DK Flatland 2-cc Bars
Grips: DK Tuska
Stem: 32mm Reach Front Load Alloy
Headset: Integrated Sealed 1-1/8"
Detangler: Driving Force
Brake Levers: Tektro
Brakes: Tektro Alloy U-Brakes F/R
Cranks: Tubular 3-pc 165mm Chromoly
Spindle: 8 Splined Chromoly
BB Type: Sealed Mid
Pedals: Plastic Platform
Sprocket: 28t
Cog: 14t Freecoaster W/ 10mm Axles
Chain: KMC
Rims: Alienation PBR
Hubs: Alloy Freecoaster W/ 10mm Axles
Seat: DK W/ 7mm Rails
Seatpost :Extra Long Alloy 25.4mm
Tires: Kenda Street Design
Accessories: 4 Aluminum Flatland Pegs
Not much difference. the info is wrong at the seat. it must be a pivotal seat and post. No info about the weight. may be not much different from the 2010 version based on the info