We saw a lot of compelling bike gear at Sea Otter earlier this month. But the one innovation that sticks out more than any other is this hydraulic-shifting setup from German component maker Acros.

Earlence Fernandes is a computer science professor at UC San Diego. He’s also a cycling geek. He stands next to his bike at UCSD’s computer science building and tells how he commutes to work on his ...

[Rich] is embarking on a fairly long bike trip in a few weeks – Seattle to Portland – and thought including some 3D printed gear on his ride would be a fun endeavor. His first idea was a printed belt ...