Pumping out an attention-grabbing 300 lumens with OptiCube™ lens technology the versatile ViZ300 stands out with the power of Daytime Hyperflash™ mode and the friendliness of Group Ride mode. Dimension: 25 x 75.5 x 34 mmWeight: 47g with batteriesLight source：Red LED X3Battery：Li-ion rechargeable batteryRuntime：Constant 30 lumens：5hrsFlashing: 30 lumens：45hrsGroup Ride 15 lumens：10hrsDaytime HyperFlash 300 lumens：10hrsRecharge time：3hrs 0.5AMount size：φ21.5-32mm. Fits up to 130mm outer circumference. SP-15Water resistant: IPX4Other: Battery auto save Low battery indicator Light mode...
Best Price: £39.99 from Cyclestore