NiteRider Sentinel 250 Taillight - Lazer Lane Lights 250 lumens Black ModelNumber=E3721 uses 4 AAA batteries (included)

uses 4 AAA batteries (included)

Includes steel-backed organic pads

1 RC2 W/ButterCups Damping Adjustments External begin stroke rebound low speed compression high speed compression Maximum Tire Width 81mm

bleed screw(s)

Clamp Style Std Rails Color Black Defined Color Black Gender/Age Unisex Length 247 Rail Material Chromoly Saddle Cut Out No Width 270

NiteRider Sentinel 250 Taillight - Lazer Lane Lights 250 lumens Black ModelNumber=E3721 uses 4 AAA batteries (included)NiteRider Sentinel 250 Taillight. Niterider Sentinel 250 taillight features Lazer Lanes light projected on the ground parallel to the rider to encourage passing cars to give a generous distance when overtaking. 250 Lumen Output (Daylight Visible Flash) Highly Visible Laser Lanes Gives Cyclist Their Own Virtual Lane Group Ride Mode Be seen without distracting fellow cyclists 2 Light Levels 2 Flash Modes plus 3 Laser Lane Modes