Bike Friday 1 1/4″ Threaded Headset Installation

Solutions

BF Alloy 1 1/4″ threaded headset, part number 522

 

Stack order of Parts

note: shown without grease for clarity. Make sure to use plenty of grease on the bearings

 

Stack Sequence, starting from top to bottom:

lower crown race – this piece is pressed on to the fork crown

 

rubber seal – place one of the rubber seals as shown

 
bearing retainer – place one bearing retainer as shown, make sure it’s not upside-down!

 

lower cup – this piece is pressed into the bottom of the bike frame’s head tube

 
upper cone race – this piece is pressed into the top of the bike frame’s head tube

 

rubber seal – place one of the rubber seals as shown

 
bearing retainer – place one bearing retainer as shown, make sure it’s not upside-down!

 

adjustable cup nut – this piece threads on to the fork and is used to adjust bearing tension

 

washer – place on top of adjustable nut as shown

 

lock nut – threads on to steer tube, tightens against adjustable cup nut to hold it in place