A special dynamo version of the GR 1600 Working with Shutter precision DT have created a tough yet dependable dynamo option for gravel, ultra endurance events and even commuting 24 mm inner width has proven itself the goldilocks dimension for gravel, narrow enough for running higher pressure road slicks but wide enough to take nice supple 47c's for when you want to go off-grid Based on the SP PL-7 but with upgraded DT Swiss hub shell and bearing technology Very low drag, less that 1 watt at 30 KM/H with the lights off and only 4.2 watts of when the light is on 6 volt 3 Watt STVZO compliant output for maximum compatibility with common light units Hand built in Europe using DT's proven Aero Comp butted spokes for a carefully tuned blend of stiffness and low weight, premium Prolock Squorx nipples are used for long term build stability and ease of maintenance Tubeless ready but can also be used with standard clinchers Front wheel comes ready for standard 12 x 100 mm axle Maximum recommended system weight: 130 KG, enough for proper bike packing excursions Include tubeless rim tape and valve Weight: 1075 grams