The Hoffman Bikes Psycho 20″ BMX Bike utilizes a tri-moly frame construction to provide great strength while a dialed parts package creates the ultimate set up for those looking to step up their level of riding. Chromoly bars, cranks, and fork ensure copious amounts of strength for skatepark and trail riding and the gyro brake system allows technical tricks to be pulled with ease. Specifications: Frame: Tri-Moly Material (Chromoly Toptube, Downtube, & Seattube) (20.5″ Toptube) Fork: Chromoly Headset: Integrated, Sealed, Threadless (1-1/8″) Stem: Top Load (50 x 30mm) Bars: Chromoly (30″ Width) (7″ Rise) (10deg Backsweep) (1.5deg Upsweep) Grips: Hoffman Bikes Raz w/ Plugs (150mm Length) Cranks: Tubular Chromoly 3-Piece, 8-Spline (170mm Length) Bottom Bracket: Mid, Sealed Pedals: Plastic (9/16″ Spindle) Sprocket: Steel (25T) Chain: KMC Z-410 Front Hub: Alloy Shell (3/8″ Axle) (36H) Rear Hub: Alloy Shell Cassette, 1 Sealed Bearing (14mm Axle) (36H) Driver: 9T Front Rim: Alloy Single Wall (20″) (36H) Rear Rim: Alloy Single Wall (20″) (36H) Front Tire: Street Style (20 x 2.25″) Rear Tire: Street Style (20 x 2.25″) Seat: Hoffman Bikes Black Ops Pivotal Seat Post: Pivotal, Alloy (25.4mm) Seat Clamp: Slim, Alloy, Single Bolt Brake Lever: 2 Finger MX, Alloy Brakes: U-Brake (Rear), Side-Pull (Front) Gyro: Yes Gyro Tabs: Yes Brake Mounts: Welded Extras: – Color: Red Weight: – NOTE: To ensure that every component on your bicycle is working properly, Dan’s Comp recommends that all bikes be assembled by a qualified mechanic. Improper assembly of your bicycle may lead to premature wear or failure of individual components such as headsets, crank assembly and wheels. Failure to do so may void the manufacturer warranty. Need help building your complete bike? Check out our bike build video below.