Gear Inches are used to give a numberical value to how a particular chainwheel/cog combination will feel. Classic BMX gearing evolved over the years to be 44/16,which has 55 gear inches. The most popu…

Using these measurements, in addition to the ERD (Effective Rim Diameter) of the rim you intend to use, you can calculate, using the online spoke calculator from United Bicycle Institute (link), what …

The Profile Mini Rear Hub has become an industry staple over the past 16 years. In celebration of it’s 16 birthday, let’s crack into the internal assembly. Although we recommend you using a press,…