When it comes to parking, this place is bicycle friendly, but when it comes to getting here, it can be a bit of a struggle.
You will basically have to cycle up the road up the mountain to about 315m above sea level, and the closer you get to the finish line, the steeper the ascent will be.
If you're going to use an electric bike, save your battery until you start the main ascent. I nearly depleted my battery on the way up, but you won't need much battery power for the return journey.
On the way back I also saw 2 cyclists just pushing their bike and they are only halfway there, so take it as a warning :). Especially if you have a heavy e-bike that runs out of battery, I'd say it's impossible to push such a bike up.
Right after the gate for cars, you'll see the bicycle parking area, which is free of charge.