THEOS RS50 P TITANIUM 29/27.5" 820 Wh
THEOS RS50 P TITANIUM 29/27.5" 820 Wh 2725774

THEOS RS50 P TITANIUM 29/27.5" 820 Wh

New Q1/2026
4 599,00 €
M L

  • EAN: 8585053859697

Weight and range are crucial. That’s why we created AMXXPRO: the world’s lightest full-power e-bike system, from just 6.1 kg.

The new AMXXPRO system, powering our entire new 2026 Kellys e-bike range, combines ultra-light components: a carbon battery and a high-performance magnesium motor.

• PANASONIC GXM AMXXPRO motor: Co-developed by Kellys and Panasonic, with a specialized magnesium construction and weighing just 2.56 kg, it delivers powerful performance with up to 105 Nm of torque.

• KELLYS K2 AMXXPRO carbon batteries: Weighing up to 3.5 kg, available in 900 Wh, 820 Wh, and 725 Wh versions. With an energy density of up to 257 Wh/kg, they are up to 20% lighter than competing solutions while offering higher-capacity options.

AMXXPRO delivers more power and longer range with less total e-bike weight. No compromises - just a better riding experience.

Kellys AMXXPRO

Frame set

frame
KELLYS THEOS RS-series - Superlight design, advanced robotic welded Al 6061-T6 / Designed & manufactured in EUROPE / Think Link® suspension system, 140 mm rear travel, integrated removable battery, 1.8" tapered HT, post mount 203 mm, mullet 29 / 27.5"+ wheelset, 12x148 mm Boost thru axle
fork
ROCK SHOX Zeb Select (29") Boost, 160 mm, DebonAir+ / Charger RC damper / Maxle Stealth 15 mm thru axle
rear shock
ROCK SHOX Super Deluxe, DebonAir+ / R Hydraulic Bottom Out (210x55 mm)
frame size
M / L

Drive

motor
PANASONIC GXM AMXXPRO - Compact, High Torque & Low weight drive unit, max torque 105 Nm, weight 2.56 kg
battery
KELLYS K2 AMXXPRO CARBON 820 Wh - superhigh energy density 236 Wh/kg, weight 3.48 kg, capacity 23 Ah, co-developed by KELLYS-BMZ
switch unit
PANASONIC
computer display
PANASONIC GXM Center Display 501 - Bluetooth® 5.0 navigation, PANASONIC App conectivity
crankset
MIRANDA Miranda (34T) - length 170 mm
rear derailleur
SHIMANO Deore XT Linkglide M8130 (direct mount)
shifters
SHIMANO Deore XT Linkglide SL-M8130-R11 Rapidfire Plus (I-Spec EV)
speed
11
cassette sprocket
SHIMANO Linkglide CS-LG400-11 (11-50T)
chain
SHIMANO Linkglide CN-LG500
pedals
plastic

Brakes

brakes
SHIMANO SLX M7120 Hydraulic Disc
brake levers
SHIMANO SLX BL-M7100
brake rotors
GALFER Fixed Disc Wave® DB034W Center Lock, 203 mm front / 203 mm rear

Wheels

hubs
SHIMANO TC500-15-B / TC500-HM-B Disc Center Lock (32 holes)
rims
DT SWISS H 552 Disc 622x30 front / DT SWISS H 552 584x30 rear (32 holes)
thru axle
predná ROCK SHOX Maxle Stealth 15x110 mm
rear tyre
SCHWALBE Big Betty Evo Super Trail 65-584 (27.5"x2.60) TLE, ADDIX Soft, folding
front tyre
SCHWALBE Magic Mary Evo Super Trail 62-622 (29"x2.40) TLE, ADDIX Ultra Soft, folding

Cockpit

head parts
ACROS 1.8" tapered semi-integrated
stem
KLS Alm/En 50 - diam 28.6 mm / bar bore 35 mm / length 35 mm
handlebar
KLS Alm/En 70 RiseBar - diam 35 mm / rise 18 mm / width 780 mm
grips
KLS Poison OneLockon
seat post
LIMOTEC D1 Remote Telescopic - diam 30.9 mm / length 445 mm, travel 170 mm
saddle
KLS Ascend

weight
24.88 kg (L)

The weight corresponds to the most common model specification in size L. The actual weight of your bike may vary.

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