Rival D1 Quarq 2x Meta SX Designed to protect your child's

Designed to protect your child's head throughout the seasons

thanks to pivot bearings and DirectLink™ design

Rounded design and centered keyway eliminate pry points

wheels and other components - whether for bike shipping or flying

Ultra-soft elastic wrist for premium comfort and easy on/off

Rival D1 Quarq 2x Meta SX Designed to protect your child'sPower meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. DUB PWR 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 mins) Lightweight (less than 40g heavier than standard crankset)