In 2016 Brompton introduced this new set of rollers - these replace both the original conical roller (QROLM) and the Eazy Wheels half set (QEZWSET-NR)
This is the 2 wheel roller set for bikes with no rack fitted, comprising the following:
The pack also contains the mudguard roller and fittings, and instructions for updating bikes with a rear mudguard (but no rack) fitted. (L type Bromptons) - these are not actually required if you have no rear mudguard.