For the first time ever, the biggest cultural needle-mover in the Jordan Brand family might not be a basketball player, musician, or designer. Actually, scratch that. He does make music, but that’s hardly the main thing. Nigel Sylvester is a pro BMX rider first. More importantly, he’s a world-builder, one whose instinct for storytelling has made his sneaker collaborations feel much bigger than product alone. His Air Jordan 4 “Brick By Brick” delivered a much-needed cultural jolt last year, quickly becoming a consensus Sneaker of the Year contender across the industry. But the release was never meant to stand on its own. It was one chapter in a larger story about where Nigel has been, where he’s going, and the path he’s built brick by brick along the way. That thread has been clear since Nigel officially joined Jordan Brand.…