Garmin Edge 540 Solar Bike Computer - GPS Wireless Black 230x62.5 B-RAD 3 and B-RAD 4

B-RAD 3 and B-RAD 4 should use the auxiliary foam pad (to protect your frame) and zip tie to secure the base

Any frame that uses an external cup headset with a 34mm upper head tube inner diameter and 34mm

ZS56/40 Lower • 92g |  ZS44/28

Very early Shadow+ rear derailleurs have a thinner link and are not compatible

The Swenor Alutech Classic Elite are the choice of stronger

Garmin Edge 540 Solar Bike Computer - GPS Wireless Black 230x62.5 B-RAD 3 and B-RAD 4Advanced GPS cycling computer with button controls combines superior navigation, planning and performance tracking, cycling awareness and smart connectivity Battery life: up to 26 hours in demanding use cases; up to 42 hours in battery saver mode View daily suggested workouts and training prompts on screen; based on your event, get personalized coaching that adapts to your current training load and recovery when riding with a compatible power meter