KELLYS Theos F50 SH ANTHRACITE 29/27.5" 725 Wh M, 2025

frame

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KELLYS THEOS F100 Carbon-Aramid Composite / Designed & manufactured in EUROPE / Think Link® suspension system, 140 mm rear travel, integrated removable battery, 1.8" tapered head tube, post mount 203 mm, mullet 29/27.5"+ wheelset, 12x148 mm Boost thru-axle

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Fork Fork

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ROCK SHOX 35 GOLD RL (29") Boost, 150 mm, DebonAir / Motion Control / Maxle Stealth 15 mm thru axle

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Rear shock Rear shock

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ROCK SHOX Deluxe Select R, DebonAir (210x55 mm)

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frame size frame size

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M / L

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Drivetrain

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motor motor

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SHIMANO EP800, 85 Nm, 36 V

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battery battery

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KELLYS Re-Charge K1 Li-ion internal removable 725 Wh / capacity 20 Ah, co-developed by Kellys-BMZ

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cycle computer cycle computer

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SHIMANO SC-E5003 cycle computer with assist switch

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cranks cranks

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SHIMANO EM600 (34T) - length 170 mm

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Rear Derailleur Rear Derailleur

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SHIMANO Deore M5120 (direct mount)

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Shifters Shifters

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SHIMANO Deore SL-M4100-R Rapidfire Plus (I-Spec EV)

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number of gears number of gears

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10

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cassette sprocket cassette sprocket

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SHIMANO CS-M4100-10 (11-46T)

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chain chain

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KMC e10T

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Brakes

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brakes brakes

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SHIMANO MT420 Hydraulic Disc

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brake levers brake levers

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SHIMANO Deore BL-M4100

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brake rotors brake rotors

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front 203 mm / rear 203 mm

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Wheels

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hubs hubs

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SHIMANO MT400-B Disc Center Lock (32 holes)

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rims rims

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KLS Bender Disc (front 622x38 / rear 584x38 / 32 holes)

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spoke lacing spoke lacing

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stainless steel black

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through-axle through-axle

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Front: ROCK SHOX Maxle Stealth 15x110 mm / Rear: Mr.control 12x177 mm

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Front tire Front tire

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SCHWALBE Nobby Nic Performance 65-622 (29x2.60) ADDIX

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Rear tire Rear tire

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SCHWALBE Nobby Nic Performance 70-584 (27.5x2.80) ADDIX

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Cockpit

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Headset Headset

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ACROS 1.8 semi-integrated tapered

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Stem Stem

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KLS Alm/En 50 - diameter 28.6 mm / bar bore 31.8 mm / length 60 mm

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Handlebars Handlebars

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KLS Alm/En 70 RiseBar - diameter 31.8 mm / rise 25 mm / width 760 mm

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Grips Grips

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KLS Poison OneLockon

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seatpost seatpost

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KS Rage-i Remote Telescopic - diameter 30.9 mm / length 442 mm, travel 150 mm

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saddle saddle

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fi’zi:k Taiga, S-alloy rails

Size chart

The sizes shown are our recommendations. These are approximate values as Specialized, CTM and GHOST each have specific frame geometries. The size of the bike's wheels also matters, so if in doubt about which size to choose, feel free to use our online chat or contact us on our helpline +421 947 974 140 .

Kids Bikes

wheel	age	height
12	2-4y	to 110 cm
16	4-5y	110- 120 cm
20	5-8y	120-135 cm
24	8-11y	135-145 cm

for Adults: wheel sizes 26, 28, 27,5 a 29

size	height
XXS	to 155 cm
XS	to 163 cm
S	to 170 cm
M	to 178 cm
L	to 185 cm
XL	to 193 cm
XXL	above 193 cm