Gears play a vital role in mechanical performance, requiring precise shaping and strong construction. Carefully bored hubs ensure smooth alignment, reducing friction and improving longevity. Designed ...

[johnybondo] wanted to get some more speed out of his unicycle, though, and realized he could do this with his own homemade internal geared hub for his unicycle. The internal hub gear was machined ...

"I was struggling with transportation," he said. "It meant a lot for me." The Portland Gear Hub, a nonprofit that donates bikes to people in need, provided Malaba with a free bicycle—giving him ...