Frameset The frame is made of AL6061 aluminum alloy, with full flat welding and putty repair process. All cables are routed internally within the frame. Front fork with internal cable routing, AL6061 seamless aluminum alloy front fork with disc brakes. EcoGuard microfiber double-sided magnetic sheath Transmission & Braking System Blueprint R9 2*11S Shifter Rear derailleur Blueprint R911S rear derailleur Haomeng hollow aluminum alloy crankset; 34-50T Hollow Integrated Central Shaft, Maintenance-Free Bearing Flywheel blueprint: High-strength forged steel cassette flywheel; 11-32T TEC Tecs rust-proof chain Blueprint R9 pure hydraulic disc brake Disc, high-strength stainless steel, front 160mm, rear 160mm Control system Aluminum alloy integrated handlebars Handlebar grips, EVA material, batch custom handlebar grips PVC seat cushion, batch custom seat cushion Instrument panel with high-brightness LED display; IP65 waterproof; approximately 30 hours of battery life. Seatpost: SuperMag teardrop-shaped super magnesium alloy; built-in taillights BATCH custom LED headlights: 400 lumens for the front lights and 6 lumens for the rear lights. VeloCrypt Hidden Shield Tracking Tag Wheel system SuperMag high-strength magnesium alloy wheelset 700*28C bearing hubs Inner tube, butyl inner tube valve, 60mm valve Outer tire Kendall 700X28C XXS Extra Extra Small: 150 - 161cm XS Extra Small: 162 - 168cm S Small: 169 - 181cm M Medium: 182 - 188cm L Large: 189 - 195cm