When you need the absolute best from your training data, the accuracy and reliability of the RED XPLR AXS 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, it’s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life.Thread Mount design is light, stiff and accurate, and fits RED XPLR Thread Mount chainrings 38t-46t (Chainrings sold separately). Dual sided power measurement system, it’s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life (User replaceable CR2032 battery with 200-hour battery life). Bluetooth low energy technology SHIPS TODAY! Order before 1:30PM EST, M – F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us
