Ultrasonic 27,5 2025-26

~~Colour variants~~

Wheel size 27,5"Recommended for height 140-170 cm, frame size 14" / 16"Weight 12,5 kgNew alloy hydroformed frame, single chainring with 32t., 165/ 170 mm shorter cranksRST air fork, TEKTRO hydraulic disc brakesSHIMANO CUES components, 11 speedHow to choose a bike

~~Buy now~~special price 25 990 Kč

original price ~~33 990 Kč~~

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	PRESTINE Integrated, 1.5" tapered
Chain Wheel	PROWHEEL, 32 teeth, 165 / 170 mm cranks
BBParts	PROWHEEL, BB unit
Rear derailleur	SHIMANO Cues 6000
Shifters	SHIMANO Cues 6000 (11)
Free wheel	SHIMANO CS-LG400-11, 11-50 (11)
Chain	KMC XGlide
Hubs	AUTHOR Xenon, 32 holes
Brakes	TEKTRO HD-M530, disc hydraulic (6" rotors)
Brakes levers	TEKTRO HD-M530

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
Grips/Bar tapes	AUTHOR kratton rubber
Stem	AUTHOR alloy
Seat post	AUTHOR alloy (31.6)
Seat clamp	AUTHOR (34.9)
Saddle	AUTHOR Champion / 14", AUTHOR Navigator / 16"
Speed	11
Weight	12,5 kg / 14"

Geometry and sizes

Size	14"	16"
Min. figure ~~[cm]~~	140	155
Max. figure ~~[cm]~~	158	170
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"	13 stores				4295510026
	▪ Bike Servis FRODL		order	order now	Čáslav	603 510 347, mpbike@seznam.cz	map
	▪ SPORT CYKLO s.r.o.		order	order now	Holešov	603 373 886, sportcyklo@gmail.com	map
	▪ Cyklotech Jana Hlaváčová		in stock	buy now	Karviná - Mizerov	774 544 311, info@cyklotech.cz	map
	▪ CYKLOSPORT H&F		order	order now	Opava 1	777 330 072, info@cyklosporthf.cz	map
	▪ Kola Pešek		order	order now	Pardubice - Staré Čívice	733 706 797, info@kolapesek.cz	map
	▪ Ramala s.r.o.		order	order now	Plzeň	377 322 435, plzen@ramala.cz	map
	▪ KOLA ŠILHAVÝ s.r.o.		order	order now	Plzeň	602 495 439, silhavy@silhavy-ramala.cz	map
	▪ Štěrba BIKE		in stock	buy now	Praha 4	241 741 961, info@sterbabike.cz	map
	▪ Velo Fiala		order	order now	Praha 6	725 729 111, tomas@velofiala.cz	map
	▪ CykloCentrum Praha Holešovice		in stock	buy now	Praha 7	725 085 309, holesovice@cyklocentrum.cz	map
	▪ CykloCentrum ESHOP		order	order now	Praha 7	725 085 309, info@cyklocentrum.cz	map
	▪ Jízdní kola Rezek - Rezková		order	order now	Rakovník	313 517 417, jizdnikola.rezek@tiscali.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"	12 stores				4295510126
	▪ Bike Servis FRODL		order	order now	Čáslav	603 510 347, mpbike@seznam.cz	map
	▪ SPORT CYKLO s.r.o.		order	order now	Holešov	603 373 886, sportcyklo@gmail.com	map
	▪ Cyklotech Jana Hlaváčová		in stock	buy now	Karviná - Mizerov	774 544 311, info@cyklotech.cz	map
	▪ AXIT bike sport		in stock	buy now	Náchod	491 426 020, axit@axit.cz	map
	▪ CYKLOSPORT H&F		order	order now	Opava 1	777 330 072, info@cyklosporthf.cz	map
	▪ Kola Pešek		order	order now	Pardubice - Staré Čívice	733 706 797, info@kolapesek.cz	map
	▪ Ramala s.r.o.		order	order now	Plzeň	377 322 435, plzen@ramala.cz	map
	▪ KOLA ŠILHAVÝ s.r.o.		order	order now	Plzeň	602 495 439, silhavy@silhavy-ramala.cz	map
	▪ Velo Fiala		order	order now	Praha 6	725 729 111, tomas@velofiala.cz	map
	▪ CykloCentrum ESHOP		order	order now	Praha 7	725 085 309, info@cyklocentrum.cz	map
	▪ Jízdní kola Rezek - Rezková		order	order now	Rakovník	313 517 417, jizdnikola.rezek@tiscali.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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