Portland Design Works Asteroid Taillight ModelNumber=K8384 104mm BCD 4-bolt chainrings for

104mm BCD 4-bolt chainrings for MTB Boost and Fat applications

They feature a brake track vent design for smooth quiet braking performance

reducing the number of components for a lighter and more durable freehub system

Universal Bridge System (UBS) can be installed as is with the integrated straps or used in conjuction with many types of mounting plates (sold separately)

Thanks to the fully welded design and the durable outer material the bike bag is very robust

Portland Design Works Asteroid Taillight ModelNumber=K8384 104mm BCD 4-bolt chainrings forMinimal and mighty the USB rechargeable Asteroid Taillight mounts in seconds and shines super brightly with high quality optics. The double click lens prevents accidental on and off. Ride for up to 24 hours before needing a new charge. Flash Pulse and Steady modes Weatherproof Micro USB cord included Lifetime Warranty Lumens Rear 12 Recharge Type USB Battery Li Ion Weight 76