Primal Wall 2.1
Tires · Mid School line · Primal
The Primal Wall 2.1 is a 1990s–2000s set of tires from the Mid School line. Fitted to the stock bike on its own, it changes Grip by −3% and Speed by +1%, and weighs 200 g less than the stock tires.
Riding
How traits workAgainst the stock bike with only this part swapped, worked out from its real specs. A whole build is worked out together, so parts don’t simply add up; weight counts.
| SpeedAcceleration and top speed | +1% | ||
|---|---|---|---|
| PopHop height | 0% | ||
| GripTire traction | −3% | ||
| ControlBraking and steering | 0% |
Measured effects what these mean
| Acceleration | +1.2% | ||
|---|---|---|---|
| Sprint speed | — | ||
| Hop | +0.4% | ||
| Grip | −2.8% | ||
| Rolling resistance lower is better | −4.2% | ||
| Braking | — | ||
| Steering | — |
Specs
| Material | Rubber |
|---|---|
| Type | Dirt |
| Retail price | $50 a comparable real part |
| Width | 2.1″ |
| Pressure | 80 psi |
| Tread | Semi-knobby |
| Casing | Wire bead |
Construction
- Semi-knobby
How to get it
Reach level 16, then buy it for 90 credits in the BMX shop, Parts › Tires. Once it’s yours it stays usable whatever its level.
Finishes
Painted in the shop’s Paint tab; 13 finishes fit. Cosmetic. All rubber finishes.
Starter
- Blackfactory
- Gumstarter
By level
- Tanlevel 2
- Whitelevel 2
- Redlevel 4
- Bluelevel 4
- Yellowlevel 7
- Greenlevel 10
- Pinklevel 16
- Purplelevel 19
- Skinwalllevel 26
- Glowlevel 41
- Camo Greenlevel 33
Other tires
All tires| Part | Line | Level | Price | Speed | Pop | Grip | Control |
|---|---|---|---|---|---|---|---|
 Asphalt Waffle 2.5Asphalt · Pro line |
Pro | 12 | 135 | · | · | +3% | · |
 Asphalt Chevron 2.4Asphalt · Pro line |
Pro | 10 | 125 | +2% | · | −1% | · |
 Northbound Loam 2.3Northbound · Pro line |
Pro | 22 | 115 | −1% | · | −3% | · |
 Treadstar Comp SkinwallTreadstar · Old School line |
Old School | 26 | 125 | · | +1% | −3% | · |
 Asphalt Sliver 2.5Asphalt · Pro line |
Pro | 4 | 140 | +1% | · | −1% | · |
 Treadstar Freestyle GumwallTreadstar · Old School line |
Old School | 29 | 105 | +1% | · | · | · |
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