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We introduce to you to the tallest knobs in the Ontrack line. Each of them digging deep into loose terrain at numerous angles to deliver unbreakable traction whether climbing, braking or cornering. The Black Diamond MTB bicycle tires begs for challenging runs piloted by an aggressive rider.
| SIZE | ETRTO | LEVEL | CASING | BEAD | COMPOUND | TECH | WEIGHT | ART.# |
| 27.5x2.25 | 57-584 | Sport | 22tpi | Wire | Single | Basic | 1075g | 111201 |
| 27.5x2.25 | 57-584 | Comp | 30tpi | Wire | Single | Nylon Breaker | 1000g | 111202 |
| 27.5x2.35 | 60-584 | Sport | 22tpi | Wire | Single | Basic | 1140g | 111203 |
| 29x2.25 | 57-622 | Sport | 22tpi | Wire | Single | Basic | 1185g | 111204 |
| 29x2.25 | 57-622 | Comp | 30tpi | Wire | Single | Nylon Breaker | 1100g | 111205 |
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