SRAM Force AXS Power Meter Spider – For Force 2x Threaded Mount X-Sync Chainrings 8-Bolt Direct Mount Black E1. When you need the best from your training data the accuracy and reliability of the Force AXS Power Meter spider for thread mount 2x chainrings 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. This dual sided power measurement system its accurate to +/-1.5% even as weather conditions change and boasts unbeatable battery life.

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