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.

Frame: Sunday Primer, 18.5" top tube, integrated 1-1/8" head tube
Fork: Sunday Primer, 18" fork w/ 2-piece steerer tube and welded pre-load
Handlebar: Sunday, 2-piece
Stem: Sunday Freeze front load, 48mm
Headset: FSA integrated, 1-1/8"
Headset Cap: FSA aluminum cap
Brake Lever: Aluminum, U-brake compatible
Brakes: Odyssey Springfield U-brake
Brake Cable: Odyssey Quik Slic
Grips: Sunday Cornerstone
Seat: Sunday Badge, seat and post combo
Seat Post: Integrated
Seat Clamp: Sunday
Sprocket: Sunday Sabertooth v2, 25T, steel
Cranks: 140mm, 3-piece, chromoly
BB: Sealed, Mid, 19mm
Pedals: Wellgo platform, plastic
Rims: P-7X aluminum, 18", 28H
Front Hub: Sunday, 28H, low-flange, loose-ball, 3/8" axle
Rear Hub: unday, 28H, sealed, 14mm axle w/ 9T Driver
Spokes: 14g steel, black
Tires: Sunday Current, 18 x 2.2" (F & R)
Chain: KMC S1
Weight: 23.3lbs (with brakes)

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2022 Sunday Primer 18

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