The system measures your power within 1% accuracy for extremely reliable performance data

5mm Length

135 x 325mm cupped deck surface

17mm range relative to the bottom bracket axle

The new SON 28 is similar in structure and appearance to the SONdelux

BURLEY Bee Child Trailer - Double, Yellow pickuponly The system measures your powerThis entry level, lightweight, bike only trailer features comfortable seating for one or two children. Compact fold flattens the trailer for easy storage and transportation Tinted side and rear windows Rear window ventilation 20" push button wheels Five point harness system Full internal aluminum roll cage for protection in an accident Spacious rear cargo area Flex connector allows bike to lay flate while trailer remains upright