Rally RK100 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 RK100 pedals. Cleat hardware. 55 mm Q-factor washers. Documentation. Specifications: Weight: 334 g. Water resistance: IXP7. Cleat type: KEO. Q-factor: 53 mm (55 mm with provided 2 mm washer). Stack height: 12.2 mm.