Product reviews:
Todd
2025-03-27 iphone 6s Plus
David Millar's Cervelo S3, Shimano Dura di2 external battery mount
di2 external battery mount
Herbert
2025-04-05 iphone 7
Internal battery options for Di2 and di2 external battery mount
di2 external battery mount
custom Di2 external battery mount di2 external battery mount
di2 external battery mount
Rodney
2025-03-29 iphone XS Max
Shimano Di2 SM-BTR1 Battery for di2 external battery mount
di2 external battery mount