KELLYS E-Cristy RS40
All-suspension mountain e-bike with Panasonic motor, 725 Wh battery, advanced suspension and modern technology. Mullet - a combination of 29" and 27.5" wheels. With a range of up to 180 km. Ready for any adventure. Can handle the toughest terrain.
Expected delivery date 1Q / 2026
% Discount on purchase
PANASONIC GXM
100 Nm
725 Wh
9 speeds
29"
120 mm (front)


Brakes SHIMANO MT200 Hydraulic Disc
Hydraulic system provides consistent and reliable braking performance. The lever has a 3-finger design for easy and comfortable braking control. Constructed from durable materials to withstand the rigors of mountain biking. Mounting Type of Caliper: Post mount or International Standard (IS). Consistent Braking. Increased Control.
Low-step or wave frame e-bikes have a number of practical advantages.
- Easy mounting and dismounting
- Suitable for a wide range of riders
- Maximum comfort in urban traffic
- Stable and balanced design
- Facilitates bike handling
- Versatile and practical design

KELLYS E-CRISTY RS40 P - The versatile low-entry e-SUV for city and weekend trips
Featuring a Panasonic GXM 100 Nm motor and 725 Wh battery, it handles a range of routes with assistance and offers a comfortable entry-seat for a wider range of users. The sturdy frame, 29″ wheels and good equipment make the model an ideal choice for those looking for a reliable e-bike with good equipment and a compromise between performance and comfort.
Main specs: 100 Nm motor, 725 Wh battery, 29″ wheels, 1×9 gears, hydraulic disc brakes, X1 Air 120 mm air fork, full equipment for everyday use.
- Panasonic GXM mid-motor with approx. 100 Nm of torque.
- KELLYS K2 MAXXPRO CARBON battery with 725 Wh capacity, energy density ~213 Wh/kg.
- 6061-T6 aluminium alloy frame, made in Europe by robotic welding, with low-step for easier mounting.
- 29″ wheels,
- 1×9 gears (Shimano Cues U4000 kit) including hydraulic disc brakes (Shimano MT200 + Galfer 180mm discs) for good stopping power.
- SR SUNTOUR X1 Air fork with approx. 120 mm travel (some sources say 120 mm) = comfort and light terrain.
- Equipment for normal use: mudguards, rack, stand, LED lighting (Trelock), making it a versatile e-bike for trips and commuting.
- Manufacturer's estimated range of approx. 120 - 150 km (depending on settings, terrain, assistance).
While the components are solid, compared to a high-end e-MTB, the system may be designed for general purpose use (trekking/cross) rather than extreme off-road. If you are going to ride very hard off-road or have high lightness/weight requirements, it's a good idea to compare other alternatives.
KELLYS BICYCLES s.r.o. now offers an extended warranty of 5 years. This extended warranty covers the frame of the e-bike and its claim when a manufacturing or material defect is proven to be the cause.
E-bike range calculator
Flat
Medium
Hills
The e-bike range is approximately
*Factors affecting total range include technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique

Motor Panasonic GXM MAXXPRO
MAXXPRO – a revolutionary new e-bike drive system. Designed to deliver full power without unnecessary weight. The GXM MAXXPRO motor, developed jointly by Kellys and Panasonic, has a torque of 105 Nm and weighs just 2.56 kg, with a special magnesium alloy casing. Optimized cooling and mounting. The combined motor and battery system weighs approximately 6.1 kg. Modular and modern electronics: Open architecture, over-the-air (OTA) update capability, and compatibility with various batteries via CAN bus (open system).

Battery Kellys Maxxpro 725 Wh
Kellys, in cooperation with German battery manufacturer BMZ, presents a new series of batteries called Maxxpro, which excel in high energy density. Energy density is the amount of energy stored in a given amount of material, measured in Wh/kg. Carbon batteries are up to 20% lighter and offer higher capacity. The batteries weigh approximately 3.5 kg. To achieve low weight and high energy density, Kellys used an all-carbon battery body.

Designing and manufacturing e-bikes is not just about putting mechanical components together. It's more than that. The purpose for which an e-bike is created is important, because it has a unique purpose in each person's life. This mission gives every KELLYS e-bike its reason for being. Thanks to modern technology, skilled designers and the best materials, the Kellys brand has some of the highest quality e-bikes.
We are specialists in KELLYS electric bikes. We offer full suspension and fixed mountain bikes, touring bikes, men's and women's electric bikes with an excellent price / performance ratio.
Contact: KELLYS BICYCLES CZECH REPUBLIC s.r.o., Havlickova 426, 753 01, Hranice, Czech republic, e-mail: infocz@kellysbike.com, phone: +420 581 698 810, web: https://kellysbike.com
Parameters
General
| Brand | Kellys |
| Load capacity | 120 kg |
| Colour | Beige, Rose Gold |
| Frame size | Frame L, Frame S, Frame M |
Motor
| Engine manufacturer | Panasonic |
| Centre engine | Yes |
Questions
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