[SUNDAY - 2025 PRIMER Fluorescent Yellow 18" BMX Kids Bike]
PRIMER 18" is an intermediate children's bicycle, designed for children aged 16" and above to practice before they advance to 20".
The lighter 18" wheelset is paired with a professional-style frame geometry, multiple advanced Odyssey parts, and a fully oil-sealed Sunday rear hub. It is suitable for young riders to practice advanced moves in extreme terrain, and has a high degree of adaptability to modifications.
Special features:
- 18" Pro-Style Geometry
-
Sunday Freeze Front Load Stem
- 9t Cassette Hub
- Odyssey Springfield Brakes
- Sunday Current 18" Tires
- FSA Headset
- KMC S1 Chain
Specification:
Frame: Sunday Primer, 18.5" top tube, integrated 1-1/8" head tube
Fork: Sunday Primer, 18" fork w/ 2-piece steerer tube
Handlebar: Sunday, 2PC
Stem: Front load, aluminum, 48mm
Headset: FSA integrated, 1-1/8"
Front fork top cap: FSA aluminum cap
Brake Lever: Aluminum, U-brake compatible
Brakes: Odyssey Springfield U-brake
Brake Cable: Odyssey Quik Slice
Grips: Sunday Cornerstone
Seat: Sunday Badge, integrated seat
Seat Post: Integrated
Seat Clamp: Sunday
Chainring Sprocket: Sunday Sabertooth v2, 25T, steel
Cranks: 140mm, 3-piece, chromoly
BB Parts: Sealed, Mid, 19mm
Pedals: Wellgo plastic
Rims: P-7X aluminum, 18", 28H
Front Hub: Sunday, 28H, low-flange, loose-ball, 3/8" axle
Rear Hub: Sunday, 28H, sealed, 14mm axle w/ 9T Driver
Spokes: 14G steel, black
Tires: Sunday Current, 18 x 2.2" (F & R)
Chain: KMC S1
Weight: 10.5kg
Origin: Made in Taiwan
Frame geometry:
Top Tube Length: 18.5"
Head Tube Angle: 74.5°
Seat Tube Angle: 71°
Chainstay Length: 11.7"-12”
Bottom Bracket Height: 10.35"
Standover: 7.5"
*Recommended height:
18" - 122cm - 145cm
16" - 95cm - 125cm
Handle specifications:
Rise: 7.65"
Width: 25.5"
Backsweep: 12°
Upsweep: 1°
*Please come to the store to pick up in Taichung
*Complete vehicle products purchased outside of the county will not be assembled when shipped. Assembly instructional videos are provided for DIY, so you can learn to troubleshoot basic faults and adjust the assembly correctly.
