Description
The Sunday 16" Primer AL is a scaled-down freestyle BMX for younger riders who are ready for a real bike, now built around Sunday’s lightweight aluminium starter-bike frame.
Its kid-sized geometry keeps the handling familiar to a full-size BMX, making it a strong stepping stone for riders building confidence before moving to an 18" or 20".
Specifications
Key fit measurements first, followed by the full build detail available for this bike. Variant-specific specifications should be checked against the selected option.
Bike & Fit
- Riding Style:
- Freestyle BMX
- Wheel Size:
- 16"
- Top Tube:
- 16.5"
- Model Year:
- 2026
- Weight:
- 10.57 kg
Frame & Cockpit
- Handlebar Rise:
- 6.75"
- Handlebar Width:
- 23"
- Headset Type:
- Integrated
Drivetrain
- Crank Length:
- 127 mm
- Spindle Diameter:
- 19 mm
- Bottom Bracket:
- MID
- Gearing:
- 25T
Wheels & Tyres
- Tyre Size:
- 16 x 2.2"
- Axle Standard:
- Front: 3/8" / Rear: 14 mm
- Hub System:
- Cassette
- Driver Size:
- 10T
- Spoke Hole Count:
- 20
Brakes
- Brake Position:
- Rear
- Brake Mount:
- U-brake / 990
Seating
- Seat Mount:
- Integrated Combo
About SUNDAY
Sunday Bikes launched in 2005 with a clear engineering focus: solve the durability problems BMX frames were experiencing as riding became harder and more technical. The brand became known for putting unusual attention into frame construction, tubing and manufacturing details, then carried that same approach into complete bikes and aftermarket components. Sunday’s range now covers youth bikes through to pro-level completes, frames and parts for modern freestyle BMX, with geometry...
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