AUTHOR Cosmic 20 2021-22 - light alloy frame

Author Cosmic is now almost a legend among parents. Brand new design, 4 color combinations, light alloy frame, 6 speed Revoshift shifting, light and well-shaped Author Speed Master tires, lightweight alloy seatpost and stem. Whether you are just going to the shop or for a longer family trip, Cosmic is a great partner that a little rider will one day remember his or her first kilometers with love.

other models

Interested in other model`s year?

2017 2018 2019 2020 2021-22 2023

Technical specification

Size	10"
Frame	alloy 6061 20"
Front fork	hi-ten
Head parts	VP COMP 1-1/8"
Chain Wheel	PROWHEEL 36 teeth 127 mm cranks
BBParts	VP COMP
Rear derailleur	SHIMANO TY200
Shifters	SHIMANO Revoshift (6)
Free wheel	SHIMANO MF-TZ510-6 14-28 (6)
Chain	KMC Z6
Hubs	QUANDO 20 holes
Brakes	TEKTRO V
Brakes levers	TEKTRO plastic / alloy

Rims	alloy 20 holes
Spokes	black steel
Tires	AUTHOR Speed Master 20" × 1.75"
Pedals	resin
Handlebar	alloy 20 mm 540 mm
Grips	AUTHOR kratton rubber
Stem	alloy
Seat post	alloy (27.2)
Seat clamp	AUTHOR (31.8)
Saddle	AUTHOR Pilot
Speed	6
Weight	8,8 kg / 10"

Geometry and sizes

Size	10"
Min. figure ~~[cm]~~	115
Max. figure ~~[cm]~~	135
S/T c-t ~~[mm]~~	254
S/T c-c ~~[mm]~~	0
T/T h ~~[mm]~~	435
T/T a ~~[mm]~~	420
H/T ~~[mm]~~	90
C/S ~~[mm]~~	360
W/B ~~[mm]~~	836
S/T ang. ~~[°]~~	73
H/T ang. ~~[°]~~	72
F/L ~~[mm]~~	316
B/B drop ~~[mm]~~	10
B/B width ~~[mm]~~	68
Reach ~~[mm]~~	0
Stack ~~[mm]~~	0
F/R ~~[mm]~~	35
Handlebars ~~[mm]~~	0
Stem ~~[mm]~~	0
Cranks ~~[mm]~~	0

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