INTRO7 Fixed Gear Bike Frame and Fork Set Aluminum Alloy, 51/54/57cm Track Cycling Fixie Frameset

Brand:INTRO7Name: Fixed Gear Bicycle FrameMaterial Quality: Aluminium AlloyHead Tube Inner Diameter: 42mmSeat Tube Diameter: 27.4mmMiddle Tube Angle: 73.5°Seat Stay: 477MM-496MMMiddle Tube Length: 51/54/57cmCaudal Furca Diameter: 10mmBottom Bracket Inner Diameter: 34mmBottom Bracket Length: 68mmBottom Bracket : 68-73mmColor:Aluminum Alloy Primary Colors/Weight: ≈51cm(1.5kg) 54cm(1.7kg) 57cm(1.8kg)

• 1. Premium Aluminum Alloy: Lightweight & Durable - High-Grade Aluminium Alloy Frameset, Lightweight Yet Sturdy, Suitable For Daily Commutes, Casual Rides And Track Cycling. Scratch-Resistant, Corrosion-Proof Aluminum Primary Color Finish For Long-Term Use.
• 2.3 Sizes For Perfect Fit - Available In 51cm/54cm/57cm (Matching Middle Tube Lengths) For Riders Of Different Heights. Weights: 51cm(1.5kg), 54cm(1.7kg), 57cm(1.8kg) — Lightweight And Durable.
• 3.Precise Standard Specifications - Easy Assembly With Standard Dimensions: 42mm Head Tube, 27.4mm Seat Tube, 34mm Bottom Bracket (68mm, Compatible With 68-73mm), 10mm Caudal Furca. 73.5° Middle Tube Angle For Comfortable Riding.
• 4.Dual Compatibility - Suitable For Both Fixed Gear And Road Bikes. Seamlessly Fits Standard Bike Parts, Ideal For Upgrade Or Custom Builds, Saving Time And Money.
• 5.Performance & Style In One - Lightweight Aluminum For Smooth Handling And Fast Acceleration; Robust Structure For Strong Load-Bearing. Minimalist Aluminum Color Matches All Accessories.