DEMA Ergo 29 electric bicycle, black/grey M
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Frame: ERGO MTB Alloy
Fork: SR SUNTOUR XCM34 BOOST 15x110, TRAVEL 120mm
Derailleur: SRAM SX EAGLE 12SPEED
Shifting: SRAM SX EAGLE SINGLE CLICK TRIGGER
Brakes: CLARKS HYDRAULIC DISC
Cranks: BAFANG ISIS (Bafang standard), 32T NW
Cassette: SRAM PG1210 EAGLE 11-50T 12SPEED
Chain: 12speed
Head composition: EXTEND H868P, 1 1/8" - 1.5" TAPPERED
Stem: EXTEND D6122, 8°, 31.8mm, 60mm
Handlebars: EXTEND A6074BT 700mm, rise 19mm, backsweep 9°
Grips: EXTEND ABSORBIC Silicone 130mm
Seatpost: EXTEND Alloy 31.6x350mm
Saddle: SELLLE ITALIA X
Hubs: EXTEND, 32H, BOOST 15x110mm / 12X148mm, CL, cartridge bearings
Rims: WTB ST i27 TCS 2.0 29"
Tires: EXTEND GRIZZLY ALL BLACK 29x2.25"
Pedals: Extend Alloy Black
Gears: 1x12
Motor: BAFANG M420 MM G332 80Nm, 36V, 250W, pedal (speed & torque) sensor CANBUS
Battery: ZZ420, LG MJ1, config. 10S5P, 36V, 17.5Ah, Smart BMS
Display: BAFANG DP C18.CAN 36V, LCD color screen
Aluminium frame
Lighter, relatively durable and stiff material that is affordable. The most widespread material for the production of bicycle frames.
Hydraulic disc brakes
Reliable in all conditions, better modulation of the braking effect with the use of less force on the lever. Heavier weight, more demanding service.
Coil fork
Provides adequate comfort and is usually installed on bicycles for recreational and less demanding riding. The disadvantage is its relatively heavy weight.
29” wheels
The advantage is better terrain passability, better rolling and traction. However, they are heavier, which also applies to tires.
| Sex | Men, Unisex |
| Model year | 2024 |
| Gears | 1x12 |
| Colour | black, silver |
| Material | aluminium |
| Drive | Bafang |
| Battery | 630 Wh |
| Brakes | Hydraulic disc brakes |
| Fork | Spring |
| Telescopic seat post | no |
| product ID | 320369 |
All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.
- The bicycle is taken out of the manufacturer's box
- The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
- The bicycle is carefully packed back into a box and shipped
- If you order a bicycle for in store pick up or home delivery, the bicycle will be waiting put together, checked and ready to use for you.
- If you order a bicycle via courier to your home address, the following must be done at home:
- Take the bike out of the box and carefully remove safety material and foils
- Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
- Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
- Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
- Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
- Mount seatpost to frame (10 seconds, without needing any tools if the frame has a quick link).
- Inflate the tyres or fork and shock to desired pressure (2 minutes, pump needed).
- Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
- Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.
We are the largest cycling e-shop in Slovakia proven by 100,000+ customers.
We are available via email, online chat, phone or in person at our MTBIKER stores.
Thanks to your order we can support cycling development.
The payment process is safe and we offer you a wide range of options.
We will reward you for your purchase and also for quality contributions in the MTBIKER forum, e-shop, trips and photo gallery.
Visit our store with a pump-track and trail access or our showroom in a historical bulding in central Bratislava.
