The SRAM Power meter kit, Red AXS, provides precise and accurate power measurement for cyclists. This kit includes a 50/37T chainring set and is compatible with Direct Mount teeth for a BCD of 52T. It features a spider interface with an 8-bolt design, ensuring secure and reliable connection. Available in a sleek black color, this kit is only compatible with the new AXS road cranks with 8-bolt direct mount functionality. Note that it is not compatible with previous 8-bolt cranks in reverse.