Gear Hub fan
Join Date: Nov 2008
Location: Reno, NV
Bikes: Civia Hyland Rohloff, Swobo Dixon, Colnago, Univega
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Unfortunately electronics can fail. You need to determine if it is the headlight or taillight that is faulty. Beg, borrow or steal another B&M taillight and see if you still have the problem when it is hooked up. If you do it is the headlight, if not then it is your current taillight.
From the symptom you describe I would guess the taillight is trying to draw way too much current.
Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro
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