Sonic 27,5 2025 | Author.eu

Technical specification

Size	14", 16"
Frame	triple butted hydroformed alloy 6061 27.5"
Front fork	RST Aerial 27.5 TnL, air, lock out (80 mm)
Head parts	PRESTINE Integrated, 1.5" tapered
Chain Wheel	PROWHEEL, 32 teeth, 160 / 165 mm cranks
BBParts	PROWHEEL, BB unit
Rear derailleur	SHIMANO Cues 6000
Shifters	SHIMANO Cues 6000 (10)
Free wheel	SHIMANO CS-LG400-10, 11-48 (10)
Chain	KMC XGlide
Hubs	QUANDO Disc, 32 holes
Brakes	TEKTRO HD-M276, disc hydraulic (6" rotors)
Brakes levers	TEKTRO HD-M276 WS

Rims	AUTHOR Xenon TRC 27.5, 32 holes
Spokes	black stainless steel 2.0 mm
Tires	CST B-Trail, aramid, 27.5" × 2.25"
Pedals	plastic
Handlebar	AUTHOR Flat Top bar, 9°, 620 / 640 mm
Stem	AUTHOR alloy
Seat post	AUTHOR alloy (31.6)
Seat clamp	AUTHOR (34.9)
Saddle	AUTHOR Champion / 14", AUTHOR Navigator / 16"
Speed	10
Weight	12,8 kg / 14"

Geometry and sizes

Size	14"	16"
Min. figure ~~[cm]~~	140	155
Max. figure ~~[cm]~~	158	173
S/T c-t ~~[mm]~~	356	406
S/T c-c ~~[mm]~~	0	0
T/T h ~~[mm]~~	550	575
T/T a ~~[mm]~~	544	557
H/T ~~[mm]~~	110	115
C/S ~~[mm]~~	420	420
W/B ~~[mm]~~	1052	1067
S/T ang. ~~[°]~~	74	73.5
H/T ang. ~~[°]~~	69	69.5
F/L ~~[mm]~~	475	475
B/B drop ~~[mm]~~	45	45
B/B width ~~[mm]~~	73	73
Reach ~~[mm]~~	385	403
Stack ~~[mm]~~	575	582
F/R ~~[mm]~~	43	43
Handlebars ~~[mm]~~	0	0
Stem ~~[mm]~~	0	0
Cranks ~~[mm]~~	0	0

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

Availability

	Colour variant	Size	In stores	Purchase	City	Contacts on seller	Model code
		14"	4 stores				42955000
	▪ Bike Servis FRODL		in stock	buy now	Čáslav	603 510 347, mpbike@seznam.cz	map
	▪ Cyklotech Jana Hlaváčová		in stock	buy now	Karviná - Mizerov	774 544 311, info@cyklotech.cz	map
	▪ KOLA ŠILHAVÝ s.r.o.		in stock	buy now	Plzeň	602 495 439, silhavy@silhavy-ramala.cz	map
	▪ Pavel Brabec		in stock	buy now	Rumburk	602 112 875, brabec.pavel@gmail.com	map
	⟲ In other stores		in 2 days				dealers
		16"	4 stores				42955001
	▪ Bike Servis FRODL		in stock	buy now	Čáslav	603 510 347, mpbike@seznam.cz	map
	▪ Cyklotech Jana Hlaváčová		in stock	buy now	Karviná - Mizerov	774 544 311, info@cyklotech.cz	map
	▪ CykloCentrum Praha Holešovice		in stock	buy now	Praha 7	725 085 309, holesovice@cyklocentrum.cz	map
	▪ Pavel Brabec		in stock	buy now	Rumburk	602 112 875, brabec.pavel@gmail.com	map
	⟲ In other stores		in 2 days				dealers
Poznámka: Stav dostupnosti kola se aktualizuje 1× denně v ranních hodinách.

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