Reelight 600
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
SL 651R
![flash mode: False](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The SL651R version mounts to the cargo rack and is steady burn only. It does not continue shining after the bike stops moving.
SL 650R
![flash mode: False](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The SL650R version mounts to the seat post and only has a steady burn mode. It does not continue shining after the bike stops moving.
SL 650F
![flash mode: False](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The SL650 version has a steady burn light only, and does not continue shining after the bike stops moving.
SL 621R
![flash mode: True](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The SL621R version mounts to the cargo rack, and only has a flashing mode. It will continue flashing for up to 2 minutes after the bike stops moving.
SL 620R
![flash mode: True](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The SL620R mounts to the seat post and has a flashing mode only. The light continues flashing for up to 2 minutes after the bike has stopped.
SL 620F
![flash mode: True](https://static.bikelightdatabase.com/lights/icons/flash.png)
The 600 series mounts to the fork crown, seat post, or rack, depending on the version. The lights are powered by a magnetic generator mounted to the axle hub, but do not require installing a dynamo hub.
The 620 version has a flash mode only, and continues flashing for up to 2 minutes after the bike stops.