The Primer 18” is the ideal choice for riders who’ve outgrown a 16” but aren’t quite ready for a 20”. The shorter chain stay, lighter wheels and size-specific, pro-style frame geometry makes it the go- to bike for serious BMXers in this size range. The Primer is packed with quality parts like Odyssey Springfield Brakes and a fully sealed cassette hub for reliability that you can count on every time.

Specifications:

• Frame: Sunday Primer, Integrated Headtube
• Fork: Sunday Primer, 2-Piece Steerer Tube, Welded Preload
• Bars: Sunday, 2-Piece (25.5" Width) (7.65" Rise) (12° Backsweep) (1° Upsweep)
• Stem: Sunday Freeze Front Load (48mm)
• Headset: FSA Integrated (1-1/8")
• Grips: Sunday Cornerstone
• Cranks: 3-Piece, Chromoly (140mm Length)
• Bottom Bracket: Sealed Mid (19mm)
• Pedals: Wellgo Platform, Plastic
• Chain: KMC S1
• Sprocket: Sunday Sabertooth v2, Steel (25 Tooth)
• Front Hub: Sunday Low-Flange Loose Ball (3/8" Axle)
• Rear Hub: Sunday Sealed Cassette (14mm Axle)
• Driver: 9 Tooth
• Spokes: Steel, Black (14 Gauge)
• Front Rim: P-7X, Aluminum (18") (28 Hole)
• Rear Rim: P-7X, Aluminum (18") (28 Hole)
• Front Tire: Sunday Current (18 x 2.2")
• Rear Tire: Sunday Current (18 x 2.2")
• Seat: Sunday Badge (Combo)
• Seat Post: Combo
• Seat Clamp: Sunday
• Lever: Aluminum (U-Brake Compatible)
• Brake Cable: Odyssey Quik Slic
• Brakes: Odyssey Springfield U-Brake
• Brake Mounts: Welded
• Gyro Tabs: Drilled
• Weight: 23.3 lbs

Frame Geometry:

• Toptube: 18.5"
• Headtube Angle: 74.5°
• Seattube Angle: 71°
• Chainstays: 11.7" - 12"
• BB Height: 10.35"
• Stand Over Height: 7.5"
• Sizing Guideline: 4' - 4' 10" Rider Height