AUTHOR Ultrasonic 27,5 2020

Technical specification

Size	14", 16"
Frame	triple butted hydroformed alloy 6061 27.5"
Front fork	RST F1RST 27.5 air lock out (80 mm)
Head parts	AUTHOR Integrated 1.5" tapered
Chain Wheel	SUNTOUR Zeron 32 teeth 160 / 170 mm cranks
BBParts	SUNTOUR BB unit
Rear derailleur	SHIMANO SLX
Shifters	SHIMANO SLX (11)
Free wheel	SHIMANO M7000-11 11-46 (11)
Chain	SHIMANO HG601
Hubs	AUTHOR Xenon 32 holes
Brakes	PROMAX disc hydraulic (6" rotors)
Brakes levers	PROMAX

Rims	AUTHOR Xenon Pro 27.5 32 holes
Spokes	stainless steel hi-ten 2.0 mm black
Tires	CST B-Trail kevlar 27.5" x 2.25"
Handlebar	AUTHOR Flat Top bar 9° 620 / 640 mm
Grips	AUTHOR kratton rubber
Stem	AUTHOR alloy
Seat post	AUTHOR alloy (31.6)
Seat clamp	AUTHOR (34.9)
Saddle	AUTHOR Champion CR
Speed	11
Weight	11,5 kg /16"

Geometry and sizes

maxmin

~~Choose the height of the character by moving the pointer on the scale.~~

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

additional accessories

1/2

ABC-60AUTHOR FLY 33 One-Piece Gloss Bottle Cage is made of durable glass fibre-reinforced polyamide and is ... more »

1/2

L&R05Bottle cage AUTHOR ABC-L&R05 designed for easy bottle removing from side direction. It is lightweigh ... more »

1/11

X26 KarbonCreated using AUTHOR X26 Carbon - tech construction is superbly strong and incredibly light. Elegant ... more »

1/2

S381 QF9 X7The Author saddle bag A-S381 is the easy bag with the Quick Fix 9 bracket for easy click ON/OFF and ... more »

1/2

AKS-530 RSAlloy kick stand designed for direct rear fork down tube fixation (tube profile 22 - 32 mm), recomen ... more »

1/5

X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g. more »

1/3

X-Bow QRMudguard Author X-BOW QR with aerodynamic flow design is perfect for XC ride. Fits suspension or ... more »

1/2

X-FlapAuthor X-Flap is a lightweight and effective front mudguard for MTB suspension bikes. Compatible wit ... more »

AUTHOR Ultrasonic 27,5 2020Archivní model 2020