Monitor your speed and cadence as you ride with these easy-to-install wireless sensors. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes.
These replacement chain tool pins are compatible with most Park Tool chain tools and are made from hardened alloy tool steel. Installs with a 7 mm or 9/32" box end wrench.
Park Tool introduced the bicycle world to the three-way hex wrench over 40 years ago. Our Y-shaped wrenches fit perfectly in the palm of your hand and provide excellent leverage, making them a favorite of mechanics in bike shops worldwide.