A power meter is an electronic device for your bike that measures the amount of energy it’s costing you to move the bike forwards. This is measured in watts, much like a lightbulb. A power meter uses strain gauges to measure torque and velocity, while a small onboard computer uses an algorithm to calculate how many watts you’re using to power the bike.
At Performance Bicycle, we believe that proper saddle fit always starts with sit bone width. To that end we’ve partnered with WTB to offer the Performance Saddle Selection System in each of our Performance Bicycle Retail locations. This unique system will allow the Spin Doctor technician or sales associate to determine your sit bone width in store.
With SRAM finally getting ready to launch their long awaited electronic drivetrain system, all three major manufacturers will now offer electronic shifting. This got us thinking about how far these systems have come in just the last few years (never mind how far since Mavic Mektronic, if any of you guys remember that), and also wondering if electronic will ever fully replace mechanical shifting.
Lately Campagnolo, Shimano and SRAM have moved to 11-speed and the technology is becoming more main stream.When we’ve discussed 11-speed bikes, many of you have had some questions and concerns about the new groupsets. To answer some of you questions, we found one of our employees who has been riding both 10-speed and 11-speed groupsets for a while. Here’s his take on things.
A few years back, mountain biking’s two dominant drivetrain manufacturers, SRAM and Shimano, decided that the traditional nine-cog cassette simply wasn’t good enough anymore. It was time for 10-speed.