But after trying out ideas with simplified internal gear hubs and derailleurs, SRAM recommended the two-chain design and donated it to the bike charity.

Being able to coast on a bicycle is a feature that is often taken ... internal geared hub for his unicycle. The internal hub gear was machined and welded by hand as a one-off prototype.

"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 a reliable way to get around. Portland Gear Hub ...