SRAM RED AXS SPIDER
– AXS™ enabled for easy monitoring and firmware upgrades
– Bluetooth Low Energy and ANT+ compatible
– Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride
– Power balance measures left and right legs separately
– Uses a common CR2032 battery that last for 200 riding hours and changes without tools
– Power-upgrade compatible with the following RED® and Force eTap AXS™ cranksets:
– RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48