Mountain bike frame tapered head tube products are most popular in north america oceania and central america.
Tapered head tube mountain bike frame.
If the taper is too long or the head tube too short the upper headset assembly will jam on the steerer.
Tapered steerer tubes are the most common arrangement on modern bikes.
In a rare move i wish to cite richard cunningham from road bike action for points 1 2.
Look who has the longest unbroken history of carbon fiber frame making in pro road racing uses the tapered fork steerer design to eliminate the narrow waist at the junction of the fork crown and steerer.
A smooth taper is good because it eliminates a squared off step down which can create a.
Frame size number frame size letter wheel size a seat tube b seat tube angle c head tube length d head angle e effective top tube f bottom bracket height g bottom bracket drop h chainstay length i offset j trail k wheelbase l standover m frame reach n frame stack.
More commonly tapered steerer tubes will taper out to 1 5 inches which has a 40mm crown race seat so a 40mm crown race is needed.
Lighter and stronger are the real gains.
Also there is coolness factor.