>The suspected return of 'bidon final' and an opioid three times stronger than tramadol – does pro cycling still have a painkiller problem? >One of the MPCC’s major areas of concern is so-called ‘bidon final’. A relic of more dubious times, it has suggested they are back in the peloton “with multiple borderline substances said to be mixed and passed into the peloton to prepare riders ready for the final. Next to this, we face other potential substance abuse with medicine such as tapentadol”. >“It’s much more powerful than tramadol,” he says. “It’s an opioid, has analgesic effects similar to morphine and can therefore raise the pain threshold. >He and his team had 27 trained cyclists undertake a 25-mile time trial after taking 100mg tramadol or a placebo. On average, the cyclists enjoyed a 1.3% speed increase on tramadol thanks to a nine-watt increase in power.