AUTHOR Modus 29 2021-22

Technical specification

Size	17", 19", 21"
Frame	AUTHOR carbon Toray T700/800 monocoque 29"
Front fork	RST F1RST 29 15 TRL air, remote lock out, 15 mm thru axle, 1.5" tapered steerer (100 mm)
Head parts	AUTHOR Integrated 1.5" tapered
Chain Wheel	SHIMANO M5100-B2 boost 36-26 teeth 170 / 175 mm cranks
BBParts	SHIMANO BB-52 BB unit
Front derailleur	SHIMANO Deore
Rear derailleur	SHIMANO Deore
Shifters	SHIMANO Deore (22)
Free wheel	SHIMANO CS-M5100-11 11-42 (11)
Chain	KMC X11
Hubs	AUTHOR Helium 15 / Krypton 12 15 × 100 mm thru front axle 32 holes
Brakes	TEKTRO Gemini disc hydraulic (7" rotors)

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