Mount Arm Kits for Bryton, Garmin, Magene, Wahoo, and GoPro (ST)

These kits require a compatible BUP ST mount base.  Complete mount kits are also available. This add-on mount arm kit supports Bryton R300L, Garmin Varia, Magene L508, Wahoo TRACKRradar, GoPro, Insta360, or similar devices. This kit includes everything needed to attach your device to supported mount bases. Includes a complete safety tether kit. Compatibility Features Bryton R300L radar Garmin Varia models: RTL500 RTL510 RTL515 RVR315 RCT715 Magene L508 radar Wahoo TRACKRradar GoPro or similar devices weighing up to 150g (1/3 lb) Compatible Mounts: Bup ST Mount Bases Lightweight and aerodynamic Uses heavy-duty OEM quarter-turn inserts where applicable ST mount arms are immune to rotation Includes an security band to prevent twist out (except GoPro) All options include a safety tether kit to ensure the device stays with the bike