Cameron Sholly replaces former Yellowstone Superintendent Dan Wenk less than a week after he said he was being forced out as a possible "punitive action" over the park's bison policies.
The BLM worked with Lander Cycling, the International Mountain Bike Association and the community to enhance the local recreational area southeast of Lander.
The changes follow complaints from a bipartisan group of Western state governors that Zinke did not consult them before unveiling his original plan last month.
Conservationists say it's a thinly veiled attempt to allow more grazing and drilling, similar to Trump's efforts to roll back national monument designations.