SRAM Thread Mount Power Meter Spider

When you need the absolute best from your training data, the accuracy and reliability of our Thread Mount Power Meter is the way to go. The spider design uses a proprietary thread-on chainring mount system which allows us to reduce weight and increase stiffness without compromising the ability to swap rings. A dual sided power measurement system, its accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life.