Many fast 700c bicycles with dropped handlebars and disc brakes are equipped with 12 mm thru axle forks. If you want to run lights or use a charging device on such a bike, the SONdelux dynamo is your best choice.
The SONdelux is specifically designed for prolonged use at high speeds and does not compromise the smoothness of your ride.
The SONdelux 12 is available in the color black anodized with
Spoke Drillings: 24, 28, 32