Built around a pro-level geometry in a range of top tube sizes, the Primer is spec’d with quality parts like Odyssey Springfield brakes and Path Pro tires. The 2021 Primer also includes a fully sealed rear cassette hub and proven parts like the Sunday Freeze Stem and an FSA Headset.

Key Features

  • 9t Sealed Cassette Hub
  • Sunday Freeze Top Load Stem
  • Sunday Cornerstone Grips
  • Odyssey Springfield Brakes and Lever
  • Odyssey Path Pro OEM 2.4″ Tires
  • FSA Headset
  • KMC S1 Chain

Specifications

Frame: Sunday Primer, 21″ top tube, integrated 1-1/8″ head tube
Fork: Sunday Primer, 20″ fork w/ 2-piece steerer tube and welded pre-load
Handlebar: Sunday, 2-piece
Stem: Sunday Freeze top load, 48mm
Headset: FSA integrated, 1-1/8″
Alloy Cap: FSA aluminum cap
Brake Lever: Odyssey Springfield
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: 170mm, 3-piece, chromoly
BB Parts: Sealed, Mid, 19mm
Pedals: Wellgo platform, plastic
Rims: P-7X aluminum, 20″, 36H
Front Hub: Sunday, 36H, low-flange, loose-ball, 3/8″ axle
Rear Hub: Sunday, 36H, sealed, 14mm axle w/ 9T Driver
Spokes: 14g steel, black
Tires: Odyssey Path Pro OEM, 20 x 2.4″ (F & R)
Chain: KMC S1
Approx. Weight: 25.8lbs (with brakes)

Frame Geometry 

Top Tube Length: 21″
Head Tube Angle: 75°
Seat Tube Angle: 71°
Chainstay Length: 13.2-13.5”
Bottom Bracket Height: 11.5″
Standover: 8.75″

Handlebar Geometry 

Rise: 9″
Width: 28.5″
Backsweep: 12°
Upsweep: 4°