Garmin Varia RearVue 820 Taillight MFPN=BB20.P-BSA83.K Primary Color Black Volume 15L

Primary Color Black Volume 15L Color Black

Built with one triplet and 8 single sprockets

Model Shimano (B-Type 2-Piston) Compound/Backing Green/Steel

Before you buy a 120 BCD ring

} Disc brake hub suitable for gravel

Garmin Varia RearVue 820 Taillight MFPN=BB20.P-BSA83.K Primary Color Black Volume 15LVaria RearVue 820 is the rearview radar and tail light that alerts you to approaching vehicles on your compatible Edge cycling computer, Garmin smartwatch or Varia app on your smartphone. With our most powerful and precise radar tracking technology, it detects vehicle size and threat level with a wider field of view. The tail light provides enhanced visibility and features a brake light flash pattern when youre slowing down or stopping. TECH SPECS