Serfas Thunderbolt Bicycle Tail Light
Bearded Bike Guy
Our bearded bike guy Thomas shows the Serfas Thunderbolt Tail Light. Our favorite bicycle tail light for keeping safe and visible while riding your bike at night.
Night Riding This is what a driver at night would see at 55 MPH riding up on our USL-R USB tail light.
Night Riding This is what a driver at night would see at 55 MPH riding up on our TL-200 tail light.
Serfas Pumps This video explains how to use a Serfas pump.
Serfas’ patented RX line of saddles.
How To Use A Serfas Floor Pump Simple Valve Head A Step By Step Demonstration On How To Inflate A Bicycle Tire With A Presta Valve Using A Serfas Simple Valve Head.
Variant Saddle Review Thank you very much for the Variant saddles. I’ve enjoyed them! I will continue to push for high-quality images of the saddle(s) in use, but please find attached some quick snaps. The Variant Ti
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