The 2022 Sunday Primer 20″ BMX Bike might be sold as a beginner bike, but the componentry and geometry shows that it is much more. Sealed bearings in all of the important places, chromoly 3-piece cranks, and a list of Sunday and Odyssey components create a bike that has pro-level traits and geometry, but at a size specific for smaller riders. Utilizing a 20″ toptube, BMXers 4′ 10″ – 5′ 6″ need not look further. Sunday has you covered with the 2021 Primer 20″.
Specifications:
- Frame: Sunday Primer, Integrated Headtube
- Fork: Sunday Primer, 2-Piece Steerer Tube, Welded Preload
- Bars: Sunday, 2-Piece (28.5″ Width) (9″ Rise) (12° Backsweep) (4° Upsweep)
- Stem: Sunday Freeze Front Load (48mm)
- Headset: FSA Integrated (1-1/8″)
- Grips: Sunday Cornerstone
- Cranks: 3-Piece, Chromoly (160mm 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 (20″) (36 Hole)
- Rear Rim: P-7X, Aluminum (20″) (36 Hole)
- Front Tire: Odyssey Path Pro OEM (20 x 2.4″)
- Rear Tire: Odyssey Path Pro OEM (20 x 2.4″)
- Seat: Sunday Badge (Combo)
- Seat Post: Combo
- Seat Clamp: Sunday
- Lever: Odyssey Springfield
- Brake Cable: Odyssey Quik Slic
- Brakes: Odyssey Springfield U-Brake
- Brake Mounts: Welded
- Gyro Tabs: Drilled
- Weight: 25.8 lbs
Frame Geometry:
- Toptube: 20″
- Headtube Angle: 75°
- Seattube Angle: 71°
- Chainstays: 13.2″ – 13.5″
- BB Height: 11.5″
- Stand Over Height: 8.75″
- Sizing Guideline: 4′ 10″ – 5′ 6″ Rider Height
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