... diameter:32.5(MM) 5.5 led lights Rear wheel power beam LED Bicycle Lights1W LED Lamp for Bicycle, with 3pcs ... carton size:51x41.5x50.5cm,G.W.:16kgsFeature:5 LED,Power beam,waterproof,quick release bracket,trible brightness than similar ... at night Cranking to recharge, no external batteries needed, rechargeable power storage, green power,eco-friendly,economical and safe to use Professional ergonomic ...