Schwalbe's 'tyre-within-a-tyre' Procore system has drawn mixed reviews from BikeRadar testers – it's very expensive, it's quite fiddly and it might mean you have to mess about changing your pressures out on the trail for different terrain.
But, for full-gas riders, the greater protection at lower pressures can also offer a real performance boost.
So what's involved in actually getting Procore onto your bike? Here technical editor Tom Marvin takes you step-by-step through the process…
Getting to grips with Schwalbe Procore