Red AXS 1x XPLR Power Meter E1 All-new design with removable and replaceable thread-mount chainrings, available in 38T-46T. Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride. User replaceable CR2032 battery with 200-hour battery life. Measures right and left leg power balance. Ultra-light hollow carbon fiber crankarms are 29 grams lighter than previous generation. DUB Wide bottom bracket adds durability and simplicity. Waterproof (IPX7 waterproof to 1 meter for 30 minutes). SRAM Model ID: FC-RED-1WP-E1. Item Specifications: Chainring BCD, Thread Mount, BB Included, No, Chainline, 47.5mm, Tooth Count, 42, Connectivity, ANT+, BT LE, Crank Spindle Diameter, 28.99mm, Crank Length (mm), 167.5mm, Interface, DUB, Crank Arm Material, Carbon,.
eBay