This is the Exposure Revo Dynamo 15mm QR Disc hub only is designed to work with Exposure Revo Front Light. Exposure Lights have perfected dynamo technology making use of a dynamo efficient and powerful enough to use off-road for marathon expeditions. The light builds quickly without flickering to a maximum of 800 lumens at 15mph. The Revo has an impressive Stand Light that will bring the output back to the maximum in seconds of a restart and ensure you're seen when stopped on the road.
The Revo will run from any hub dynamo but the Exposure Lights dynamo hub is extremely efficient, producing a powerful output with very low rolling resistance. Revo Packs are available combining the Revo light with an Exposure dynamo hub, this one comes in 28 or 32 holes, Black, Disc brake with a 15mm QR. Exposure Lights have always been designed to get the maximum light from minimum sized unit. Utilising superb forged aluminium brackets Exposure Lights attach quickly, safely and securely for hassle free riding.