Inspired by the Speed Series Pro models and featuring reverse rear dropouts for quick gear changes. Each model size is purpose designed and spec'd to be lightweight, offering maximum performance to meet each racers needs. Ideal for riders 4'8"-5'4". Specifications: Frame: GT Speed Series MK7 Junior Race Design, 6061-T6 Aluminum, Alloy Formed and Butted Speed Metal Tubes, Reverse Dropouts Fork: GT BMX Expert Race, 100% Chromoly Steerer (1-1/8") (3/8" Dropout) Headset: Integrated Design, (45deg x 45deg Sealed Bearings) (1-1/8") Stem: GT Topload (1") (40mm Reach) Bars: GT Speed Chromoly (6.5" Height) (26" Width) (8deg Backsweep) (4deg Upsweep) Grips: GT Statement Cranks: GT Forged Alloy 2-Piece, Hollow Alloy Spindle (24mm) (165mm Length) Bottom Bracket: Euro Sealed Bearing Pedals: GT Mini Platform Sprocket: Aluminum CNC Chainring, Alloy Chainring Bolts (42T) Chain: KMC Z1 Narrow (3/32") Front Hub: GT Speed Series, Alloy CNC Body, Sealed Bearings (3/8" Female Allen Bolts) Rear Hub: GT Speed Series Cassette, Alloy CNC Body, 5 Sealed Bearings, 3 Pawl (3/8" Allen Bolts) Driver: Cog (16T) Front Rim: Alloy Double Wall (28H) Rear Rim: Alloy Double Wall (28H) Front Tire: Kenda Kompact Pro Race (20" x 1-1/8") Rear Tire: Kenda Kompact Pro Race (20" x 1-1/8") Seat: Box Echelon Seat Post: Integrated Seat Clamp: - Brake Lever: Alloy Brakes: Promax MV-87, Cold Forged Aluminum Arms (85mm), Mini V-Type (Front and Rear) Brake Mounts: V-Brake Mounts Extras: No Weight: - Geometry: Toptube: 19.5" Headtube Angle: 73deg Seattube Angle: 70deg Seattube Height: 7.9" Bottom Bracket Height: 11" Chainstays: 13.62" Sizing Guideline: Ideal for 4'8" - 5'4" Need help building your complete bike? Check out our bike build video below. NOTE: To ensure that every component on your bicycle is working properly, Dans 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 ma...