"I have just signed up to the race, sorry for the late addition.
I have a bike rack but unfortunately no car. Speaking to Tom last night at training we were thinking of putting this on the back of his car and gear in the back, if he's still…"
"Hi Nick, sorry to hear about the accident, hopefully you'll have a speedy recovery!
I would be more than happy to take the place at Crystal Palace off your hands.
Let me know any details/payment etc.