NiteRider Sentry Aero 260 Taillight Width-1.2 Wheel Diameter: 150 mm /

Wheel Diameter:    150 mm / 5

5 BB Shell Width (mm) 104

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM Exact Actuation Cage Length Short Drivetrain Speeds 10 Weight 178 Color Black Chain Wrap Capacity (teeth) 33 Largest Cog 28

GPS Yes Touchscreen No Customizable Screen Yes Heart Rate Monitor Yes Wristband White - Silicone Battery Type Lithium Cobalt Oxide Connectivity ANT+ BT External Sensor Compatibility HR Primary Color White Watch Color White Solar Charging No

NiteRider Sentry Aero 260 Taillight Width-1.2 Wheel Diameter: 150 mm /NiteRider Sentry Aero 260 Taillight. The NiteRider Sentry Aero 260 keeps guard both night and day with an aerodynamic shape that gives cyclists 260 degrees of visibility with a matching 260 lumens of light output featuring Optimal VIZ Daylight Visible Flash (DVF) technology. Its lightweight form factor (65g) and ability to fit standard to aero seat posts makes this light the perfect choice for Triathletes and Road Bikers alike. Innovative Aero shape