Rally RS100 is tested to the extreme, so you can ride there too. This single-sensing power meter delivers reliable power measurements and is easy to transfer between bikes no matter what bike you’re on or where you’re riding. In the box: Rally RS100 pedals Cleat hardware 55 mm Q-factor washers Documentation Specifications: Weight: 328 g Water resistance: IXP7 Cleat type: SPD-SL Q-factor: 53 mm (55 mm with provided 2 mm washer) Stack height: 12.2 mm