Kellys THEOS R50 P 29/27.5″ 725 Wh 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 150mm
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Travel Rear 130mm
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Fork RockShox ZEB Select
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Groupset XT
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Suspension Full
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Motor Panasonic 95Nm mid-drive
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Battery KELLYS Re-Charge K1 Li-ion internal removable 725 Wh / capacity 20 Ah, co-developed by Kellys-BMZ
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Brakes Shimano SLX Hydraulic Disc
Recommended size guide.
SM
158cm - 170cm
MD
168cm - 179cm
LG
176cm - 187cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
KELLYS THEOS R-series - advanced robotic welded 6-series aluminium alloy / Designed & manufactured in EUROPE / Think Link® suspension system, 130 mm rear travel, integrated removable battery, 1.8" tapered HT, post mount 203 mm, mullet 29" / 27.5"+ wheelset, 12x148 mm Boost thru axle
Suspension Fork
ROCK SHOX Zeb Select (29") Boost, 150 mm, DebonAir+ / Charger RC / Maxle Stealth 15 mm thru axle
Rear Shock
ROCK SHOX Deluxe Select+ RT, DebonAir+ / Open-Threshold (210x55 mm)
Drivetrain
Rear Derailleur
SHIMANO Deore XT Linkglide M8130 (direct mount)
Shift Levers
SHIMANO Deore XT Linkglide SL-M8130-R Rapidfire Plus (I-Spec EV)
Cassette
SHIMANO Linkglide CS-LG600-11 (11-50T)
Crank
MIRANDA Miranda (34T) - length 170 mm
Chain
SHIMANO Linkglide CN-LG500 (122 links)
Wheels
Rims
NOVATEC M30 622x30 front / NOVATEC M35 584x35 Center Lock rear (15x110 mm / 12x148 mm)
Tires
Front: SCHWALBE Magic Mary Evo Super Trail 62-622 (29"x2.40) Tubeless Easy, ADDIX Ultra Soft, folding, Rear: SCHWALBE Big Betty Evo Super Trail 65-584 (27.5"x2.60) Tubeless Easy, ADDIX Soft, folding
Brakes
Brakes
SHIMANO SLX M7120 hydraulic disc
Brake Levers
SHIMANO SLX BL-M7100
Cockpit
Stem
KLS Alm/En 50 - diam 28.6 mm / bar bore 31.8 mm / length 60 mm
Handlebar
KLS Alm/En 70 RiseBar - diam 31.8 mm / rise 25 mm / width 780 mm
Grips
KLS Poison OneLockon
Seat
Saddle
fi’zi:k Taiga, S-alloy rails
Seatpost
LIMOTEC A1 Remote Telescopic - diam 30.9 mm / length 445 mm, travel 150 mm
Motor & Battery
Motor
PANASONIC GX Ultimate, 95 Nm, 36 V
Battery
KELLYS Re-Charge K1 Li-ion internal removable 725 Wh / capacity 20 Ah, co-developed by Kellys-BMZ
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 176 cm |
| Rider Max Height | 170 cm | 179 cm | 187 cm |
