SRAM Rival AXS E1 Power Meter Spindle

Features:

• Spindle-based unit measures left side power to calculate total watts
• Long battery life (400+ hours) to power a season of rides
• User replaceable lithium AAA battery
• DUB bottom bracket adds durability and simplicity
• Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
• Lightweight (less than 40g heavier than standard crankset)