Complex sentence: A centrestand allows the rider to raise the rear wheel off the ground, but the quest for weight reduction has seen some motorcycles dispensing such stands; so, in the workshop, a separate paddock stand is needed for rear wheel removal.
Split into simpler sentences: A centrestand allows a bike to stand with the rear wheel raised off the ground; but the quest for weight reduction has seen some motorcycles dispensing with such stands. So, in the workshop, a separate paddock stand is needed for rear wheel removal.