Compatible stopwatch model: GARMIN edge 200/500/800, Bryton RIDER 20/30/40. Compatible for Bryton Rider 10 20 310 330 405 420 530 860etc. Compatible for Wahoo all series. For Garmin Varia RTL515 RCT715 UT800 Radar Tail Light Headlight Waterproof Cover.
eBay