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Radio Saiko 18" – The Small BMX with Big Potential
The Radio Saiko 18" Complete Bike is the perfect choice for young and ambitious riders looking for a high-quality, lightweight, and durable BMX.
Designed with precision geometry and CrMo components, it blends strength, performance, and style in a compact 18" package.
Highlights
Light & strong: CrMo down tube with Hi-Ten steel for durability without excess weight
Perfect gearing: 25–9 drivetrain with sealed Mid BB for smooth power transfer
Top control: SALT Tracer 2.2” tires and AM U-brake for grip and precision
Comfort & style: AM 18 handlebar with optimized rise and sweep geometry
Built to last: Semi-sealed hubs and integrated headset for long-lasting performance
Weighing just 10.62 kg (23.41 lbs), the Saiko 18" is one of the lightest and most well-equipped 18” BMX bikes on the market — perfect for kids between approximately 115–140 cm (3'9"–4'7") tall.
Specifications
Frame: Radio “Saiko 18”, CrMo down tube, 1020 Hi-Ten, gyro-ready
Fork: 1020 Hi-Ten with CrMo steerer, tapered legs
Handlebar: Radio “AM 18”, 1020 Hi-Ten
Handlebar Geometry: Rise 7.9", Width 26.5", Backsweep 10°, Upsweep 3°
Grips: Radio “AM” flangeless, 150 mm
Stem: SALT “Junior” Topload, 40 mm reach
Headset: SALT “Pro” integrated, sealed bearings
Brake: Radio “AM” U-brake (rear)
Cranks: Radio “AM” 3-piece CrMo, 152 mm, 8-spline
Bottom Bracket: Mid BB, press-fit, sealed
Sprocket: Radio “Vision” 25T steel
Driver: 9T cassette driver
Chain: SALT “AM” WZ1
Pedals: Radio “Pro” nylon/fiberglass
Front Hub: Radio “Rookie”, steel, 3/8”, loose ball, 36H
Rear Hub: Radio “AM” cassette, alloy, semi-sealed, 14 mm axle, 36H
Rims: Radio “AM” single wall, 36H
Tires: SALT “Tracer” 2.2” front & rear
Seat: Radio “Century” combo, slim padded
Seat Clamp: Radio “Slim” alloy clamp
Weight: 10.62 kg / 23.41 lbs
Frame Geometry
Top Tube: 18"
Chain Stay: 12.2"
Head Tube Angle: 75°
Seat Tube Angle: 70.5°
Bottom Bracket Height: 10.75"
Standover Height: 7.5"
Handlebar Geometry
Rise: 7.9"
Width: 26.5"
Backsweep: 10°
Upsweep: 3°