Sunday 2021 Primer Park BMX Bike (20.5" Toptube) (Bright Yellow)

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Expected Wed, Mar 17, 2021
Price: $379.99
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Color scheme? Check. Bar spins for days? Check. The 2021 Sunday Primer Park BMX Bike is set from the very start. Sunday kitted it with an Odyssey Gyro and brake system meaning that you don't have to worry about your brake cable binding up during bar spins or tail whips. Sealed bearings in high stress areas and chromoly cranks contribute to the strength and durability needed for a rider learning new tricks. The Sunday Primer Park is hard to look past for the amazing parts and great price.

Note: This is the 20.5" toptube version of the Primer model.

Frame: Sunday Primer, Integrated Headtube
Fork: Sunday Primer, 2-Piece Steerer Tube, Welded Preload
Bars: Sunday, 2-Piece
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: 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: Integrated
Lever: Odyssey M2 Trigger
Brake Cables: Odyssey M2 Upper, 2x Single Lower
Brakes: Odyssey Springfield U-Brake
Gyro: Odyssey Gyro G3
Gyro Tabs: Drilled
Brake Mounts: Welded
Extras: N/A
Color: Bright Yellow
Weight: 25.8 lbs

Frame Geometry:
Toptube: 20.5"
Headtube Angle: 75°
Seattube Angle: 71°
Chainstays: 13.2" - 13.5"
BB Height: 11.5"
Stand Over Height: 8.75"
Sizing Guideline: 5' 3" - 5' 9" Rider Height

Need help building your complete bike? Check out our bike build video below.

NOTE: To ensure that every component on your bicycle is working properly, Dans 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.

Verified Owner
Tuesday, Dec 15 2020 (3 months ago)
Sunday 2021 Primer Park BMX Bike (20.5" Toptube) (Bright Yellow)
My 10yr old son loves it! Yellow was the only color you could get if you wanted this model with a gyro so maybe more color options would be nice.