spindrift said:Is that what they mean?
"You can jump off into the river here, but no bikes please"
CotterPin said:Well - I guess that is the only time it is good advice. You don't really want to be tangled up with your bicycle as you hurl yourself into the water.
Arch said:I guess if you rode full tilt into those railings, you would dismount, fairly quickly, forwards...
So perhaps it isn't an instruction, but an advertisment to alert spectators to a possible future exciting event....