DK Swift Pro BMX Race Bike Description: The DK Swift Pro BMX race bike is a great entry-level option to the exciting sport of BMX racing. The frame is made of 6061 aluminum to be light and stiff and is based around pro-level sizing and geometry. The included sealed European bottom bracket and tubular chromoly 3-piece cranks makes this a solid option to get started out on a BMX track. Specifications: Frame: 6061 Aluminum Fork: High-Tensile Steel, 1-1/8" Chromoly Steerer Tube, Tapered Legs Headset: 1-1/8" Threadless Press-in Stem: Alloy, Top Load (50mm Reach) Bars: High-Tensile Steel (8" Rise) Grips: DK Tsuka, Press-in Bar Plugs Cranks: Tubular Chromoly, 3-Piece (175mm Length) (19mm 8-Spline Spindle) Bottom Bracket: Sealed European Pedals: DK Bender PC Platform Chainring: Steel (44T) Chain: KMC (1/8") Front Hub: Alloy, Unsealed (3/8" Chromoly Axle) Rear Hub: Alloy, Unsealed (3/8" Chromoly Axle) Cog: 16T Freewheel Front Rim: Alloy (Singe Wall) (36H) Rear Rim: Alloy (Single Wall) (36H) Front Tire: Arisun XLR8 (20" x 1.75") Rear Tire: Arisun XLR8 (20" x 1.75") Seat: DK Pro 1-Piece Seat/Post Combo Seat Post: Integrated, 27.2mm, Alloy Seat Clamp: Alloy Brake Lever: Alloy Brakes: Alloy Pro Linear V-Brake Extras: - Color: Purple Weight: 21.1 lbs Geometry: Toptube Length: 20.75" Chainstay Length: 14.25" Headtube Angle: 74deg Seattube Angle: 72deg Bottom Bracket Height: - Standover: - Recommended Sizing Guide: - Note: To ensure that every component on your bicycle is working properly, we recommend 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.