18" Primer 2023 Bike

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.

 

Key Features

  • 18" Pro-Style Geometry
  • Sunday Freeze Front Load Stem
  • 9t Cassette Hub
  • Sunday Cornerstone Grips
  • Odyssey Springfield Brakes
  • FSA Headset
  • KMC S1 Chain

Specifications

  • 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" 
  • Alloy 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 Parts: 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: Sunday, 28H, sealed, 14mm axle w/ 9T Driver 
  • Spokes: 14g steel, black 
  • Tires: Sunday Current, 18 x 2.2" (F & R) 
  • Chain: KMC S1
  • Approx. Weight: 10.5kgs (with brakes)

Frame Geometry 

  • Top Tube Length: 18.5" 
  • Head Tube Angle: 74.5° 
  • Seat Tube Angle: 71° 
  • Chainstay Length: 11.7-12.00” 
  • Bottom Bracket Height: 10.35" 
  • Standover: 7.5" 

Handlebar Geometry 

  • Rise: 7.65" 
  • Width: 25.5" 
  • Backsweep: 12° 
  • Upsweep: 1°

(30772)

SKU 30772
Brand SUNDAY
Shipping Weight 14.0000kg
Shipping Width 0.200m
Shipping Height 0.500m
Shipping Length 1.000m
Shipping Cubic 0.100000000m3

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