Specialized Adrenaline Pro D2 2.2 £19.99

Predictable all round tyre that has broader use that its marathon inspired design.

BikeRadar score 4/5

Specialized describe the Adrenaline as a fast marathon tyre, but don't think this is some skimpy racing skinny - it's a lot more useful than that. The single dotted line centre strip makes it steady, not sluggish, when rolling on hardtop, but there's plenty of sustained bite as soon as you start to turn or sink into softer ground.

We certainly had no sudden loss of faith or grip whether riding on dusty or sodden trails, and the combination of a hard-compound centre and medium-compound shoulders means it lasts well without compromising cornering and edging stickiness.

Don't be fooled by the relatively small 2 and 2.2in tyre sizes either, because they blow up much bigger and the 2.2 will match most 2.35/2.4in tyres for float and impact protection. Add a very reasonable price structure and the option of a budget singlecompound Sport version at £14.99 and you've got a great all-rounder.

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