Spontaneous Electric Bicycle Tail Light For Mountain Bike Night Riding polarized sunglasses which by tightening the nut

which by tightening the nut is placed in the ABS model

Item Height:1cm

Lens Height: C1

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Package included: 10 x PH2 screwdriver bits

Spontaneous Electric Bicycle Tail Light For Mountain Bike Night Riding polarized sunglasses which by tightening the nutNo need of battery, self generating electric. Safety guaranteed. The light can be used for safety and warning. The bicycle taillight is waterproof and easy on rainy days. No noise, no friction. Best accessory for mountain bike. Easy to install and use. Special For Disc Brake. Great gift for friends who love riding. Material: Plastic, Magnet Color: black&red Light Size: 32*25*36mm Coil Size: 14*14*3mm Package Included: 1 x Bicycle Tail Light 3 x Magnet