Live in San Francisco or have a lot of hills to contend with? With this option you will have a lower gear to climb hills easier, but your top speed wo...More
Live in San Francisco or have a lot of hills to contend with? With thi...
Increases the factory default 50T gearing by 8%. Want to go faster? For each rotation of your pedals, you will travel further, but your low gears for ...More
Increases the factory default 50T gearing by 8%. Want to go faster? Fo...
