Sunday Primer 20" BMX Bike Description:
The Sunday Primer BMX Bike falls closer to the entry-level end of the Sunday lineup while still being based around modern, pro-level geometry and styling. Although aimed more towards beginner riders, this bike still offers chromoly 3-piece cranks within a sealed bottom bracket, a sealed cassette rear hub, and equipped with several Odyssey components.
Specifications:
- Frame: Sunday Primer, high-tensile steel, integrated headtube
- Fork: Sunday Primer, high-tensile steel, 2-piece steerer tube, welded preload
- Bars: Sunday, high-tensile steel, 2-piece (28.5" Width) (9" Rise) (12° Backsweep) (4° Upsweep)
- Stem: Sunday Freeze top load (48mm)
- Headset: FSA Integrated (1-1/8")
- Grips: Sunday Cornerstone
- Cranks: 3-Piece, chromoly (160mm Length)
- Bottom Bracket: Sealed Mid (19mm)
- Pedals: FPD platform, plastic
- Sprocket: Sunday Sabertooth v2, steel (25T)
- Chain: KMC S1
- Front Hub: Sunday low-flange, unsealed (3/8" Axle)
- Rear Hub: Sunday sealed cassette (14mm Axle)
- Driver: 9 Tooth
- 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 (25.4mm)
- Seat Clamp: Sunday
- Brake Lever: Odyssey M2 Trigger
- Brakes: Odyssey Springfield U-Brake
- Gyro: -
- Gyro Tabs: Drilled
- Brake Mounts: Welded
- Extras: Odyssey Quik Slic brake cable
- Color: Billiard Green
- Weight: 25.5 lbs
Geometry:
- Toptube Length: 20"
- Chainstay Length: 13.2" - 13.5"
- Headtube Angle: 75°
- Seattube Angle: 71°
- Bottom Bracket Height: 11.5"
- Standover: 8.75"
- Sizing Guideline: 5' - 5'4" Rider Height
Sizes Available:
| Toptube |
Approximate Rider Height |
| 20" |
5' - 5'4" |
| 20.5" |
5'4" - 5'8" |
| 20.75" |
5'6" - 6' |
| 21" |
5'8" - 6'2" |
For assistance building your new bike, please check out our tech help section here for instructions and tips on how to build your bike to ensure it is safe.
Dan's Comp recommends riding with a helmet to protect that brain. Shop our selection of
freestyle helmets here.
Need help finding the right bike for you? Not sure what size would suit you best? Check out our BMX buyers guide video below!
Note: To ensure that every component on your bicycle is working properly, Dan's Comp recommends that all bikes be assembled by a qualified mechanic. Improper assembly of your bicycle may lead to premature wear or failure of individual components such as headsets, crank assembly and wheels. Failure to do so may void the manufacturer warranty.
This product is expected to become available for purchase on Wednesday, July 8, 2026
