There are two kinds of people in this world: those who understand the relative injury risk of deadlifting with a trap bar and those who will find out. 
But LET ME BE CLEAR!! Cyclist’s don’t need to do any type of deadlift to reap the full performance benefits of strength training. I’ve already posted on this forum a pretty comprehensive thread about the benefits of strength training, exercises required, and programs to achieve those benefits. Not from me, but from peer reviewed papers.
Deadlift, trap bar or otherwise, does not make the list. If you are a cyclist you can get all the benefits of strength training without deadlifting. I just do it because I like deadlifting. If you’re not a guy who likes to deadlift and you are just engaging in strength training to improve cycling performance my recommendation is that the injury risk of deadlifting does not justify the additional performance benefit (which is zero) you get from doing it vs other exercises.