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Description
Starter BMX with 20" wheels and a fair amount of aftermarket parts
The 2020 Primer 20" is a fully-sized starter BMX by Sunday. It's designed for newer riders who are about to explore the world of freestyle BMXing and want a proper platform to progress from. Being an entry-level bike, the Primer features a fair amount of Sunday and Odyssey aftermarket parts and a fully sealed cassette rear hub.
Technical features
- 3-piece crank with short 160mm arms for enhanced technical riding
- Integrated 1-1/8" headset for smooth handling and steering
- 19mm mid bottom bracket with sealed bearings
- Fully sealed cassette rear hub and open front hub bearings
- Decent amount of aftermarket parts
- 'Sunday Sabertooth V2' 25T aftermarket sprocket
- 'Sunday Freeze' front load 48mm aftermarket stem
- 'Odyssey Springfield' aftermarket U-brake
- 'Odyssey Path' aftermarket tyres in a grippy and fat 2.4" design for added traction and shock absorption
Model specifications
| Model | Frame Top Tube |
| 20" - Gloss Toothpaste | 20" |
| 20.5" - Gloss Hot Pink | 20.5" |
| 20.5" - Gloss Surf Blue | 20.5" |
| 20.75" - Matt Lavender | 20.75" |
| 21" - Matt White | - |
| 21" - Matt Black | 21" |
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
Frame standover height:
8.75'' (22.2cm)
Weight:
26lbs
Frame material:
Hi-ten steel
Seat clamp:
Non-integrated
Seat:
Combo
Tyre width:
2.4"
Pegs:
Not included
Axle diameter:
10mm, 14mm
Stem type/Length:
48mm, Front load
Stem diameter:
22.2mm
Headset type:
Integrated 1 1/8"
Headtube angle:
75°
BMX Brake Included:
U-brake (Rear)
Gyro compatible:
Yes
Chainstay length (Centre):
13.2'' (33.5cm)
Chainstay length (Slammed):
13.5'' (34.3cm)
Gear ratio:
25/9
Crank Length/Type:
160mm, Three-piece
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
Number of spokes:
36
Chain type:
Single speed
Assembly:
Partly assembled
Recommended from:
13 years
