Primer 20" 2021 BMX Freestyle Bike

4.8 // 10 reviews
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Description

The Sunday Primer is a well-performing BMX bike. Featuring a classic cassette hub, this Sunday freestyle BMX ensures a very direct transfer of power. The Hi-Ten steel frame is budget-friendly and ideal for relaxed rides.

  • Includes holes for mounting a gyro brake, eliminating concerns about wires hindering your barspins
  • Comes with a U-brake, designed to enhance your safety
  • The handlebar of this bike has a 12° back sweep, aimed at reducing wrist strain
  • Fitted with traditionally sized 20" wheels

Model specifications

ModelFrame Top TubeCrank Length/Type
20"20"160mm, Three-piece
20.5"20.5"160mm, Three-piece
20.75"20.75"170mm, Three-piece
21"21"170mm, Three-piece

Specifications

Wheel diameter:
20"
Bar design:
Two-piece
Bar height:
9"
Bar width:
28.5"
Backsweep:
12°
Upsweep:
4°
Hub:
Cassette, Sealed bearings, Unsealed bearings front
Weight:
24lbs
Frame material:
Hi-ten steel
Seat clamp:
Non-integrated
Seat:
Combo
Tire width:
2.4"
Pegs:
Not included
Axle diameter:
0.39" (10mm), 0.55" (14mm)
Stem type/Length:
48mm, Top load
Stem diameter:
22.2mm
Headset type:
Integrated 1 1/8"
Headtube angle:
75°
BMX Brake Included:
U-brake (Rear)
Gyro compatible:
Yes
Gear ratio:
25/9
Pedal axle diameter:
9/16"
Sprocket mounting:
Bolt Drive
Driver side:
Right
Crank material:
Chromoly Steel
Bottom Bracket:
Mid, Sealed
Crank Axle Diameter:
19mm
Pedal material:
Plastic, Platform
Number of spokes:
36
Chain type:
Single speed
Assembly:
Partly assembled

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