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2021 Sunday PrimerMatte Army Green with 21" tt

The Primer is a serious starter bike at a seriously great price.

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.

Shops and riders everywhere know that the Primer is the bike to beat in this price range.

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°

*Specs subject to change without notice.