AUTHOR Ultrasonic 26 2017 - triple butted alloy frame

Technical specification

Size	13.5"
Frame	triple butted hydroformed alloy 6061 26"
Front fork	alloy 6061 26"
Head parts	AUTHOR Integrated 1.5" tapered
Chain Wheel	SRAM 32 teeth 155 mm cranks
BBParts	SRAM BB unit
Rear derailleur	SRAM NX-1
Shifters	SRAM NX-1 (11)
Free wheel	SRAM PG1130 11-42 (11)
Chain	SRAM CN-1100
Hubs	AUTHOR Xenon 32 holes
Brakes	TEKTRO Auriga disc hydraulic (6" rotors)
Brakes levers	TEKTRO Auriga WS

max min

The recommended size and stature are just indicative. It is recommended to always consult your choice with the dealer.

S/T c-t - seat tube (center-top), length of the seat tube from the middle of BB parts to its peak
S/T c-c - seat tube (center-center), length of the seat tube from the middle of BB parts to an axle of the upper tube
T/T h - top tube horizontal, horizontal lenght of the upper tube
T/T a - top tube actual, real lenght of the upper tube
H/T - head tube, head tube lenght
C/S - chain stay, chain brace lenght
W/B - wheel base, wheelbase (front and rear axle lenght)
S/T ang. - seat tube angel, angle between the seat tube axis and an imaginary line connecting the axes of the front and rear wheel
H/T ang. - head tube angel, angle between the head tube axis and an imaginary line connecting axes of the front and rear wheels
F/L - fork length, fork length from the head parts bottom to the middle of the front wheel
B/B drop - bottom bracked drop, lenght between an imaginary line connecting wheels centers and BB parts, measured from BB parts
F/R - fork rake, distances between the head tube axis and fork axis measured at center of the front wheel, so-called. off set

silver / red

13,5" = UA#42873301