DEMA Arosa 1 28 bicycle, marron/brown L
DEMA Arosa 1 28 bicycle
Basic model at an affordable price for a casual user looking for an alternative means of transport to get from place A to place B.
Aluminium frame
Lighter, relatively durable and stiff material that is affordable. The most widespread material for the production of bicycle frames.
V-brakes
The most widespread type of brakes for affordable bikes and children's bikes. Better transfer of force to the brake arms. Not very well protected against external forces. Loss of braking effect in mud or wet conditions.
Rigid fork
You will appreciate the lighter weight and stiffness, especially when riding on the road or bike path. Minimal service.
28” wheels
Often marked as 700c. They usually have a narrower profile, lower weight and high stiffness. They are the standard, especially for road (CX, gravel), trekking, city and cross-country bikes.
| Frame |
DEMA AROSA 1
|
| Fork |
SR Suntour CR8-V 700C, 50 mm
|
| Shifting |
Shimano ST-EF41 3x7
|
| Derailleur |
Shimano TY200 7-speed
|
| Derailleur |
Shimano TY510
|
| Cassette |
Shimano HG200 7-speed 12-28T
|
| Chain |
KMC Z51 7-speed
|
| Cranks |
Extend 48/38/28T
|
| Brakes |
Extend V-Brake alloy
|
| Rims |
Remerex Dragon LINE 719 622x19
|
| Hubs |
Joytech J751 (P) / Shimano TX500 7-speed (Z)
|
| Tires |
Extend Galop 30 TPI 700x40C BLACK
|
| Seat post |
Extend Performance 27.2x350 mm
|
| Saddle |
Extend Tour
|
| Stem |
Extend Performance 25.4 mm
|
| Handlebars |
Extend Riser 25.4x610 mm
|
| Grips |
Ergo
|
| Headset |
Extend H815A 25.4/44/30 mm
|
| Bottom bracket |
B920HAL BSA 68x119 mm
|
| Pedals |
Extend FLAT PP
|
| Sex | Men, Unisex |
| Model year | unspecified |
| Gears | 3x7 |
| Groupset | Other |
| Colour | marron/brown |
| Material | aluminium |
| Wheel diameter | 28" |
| Brakes | V-brakes |
| Fork | Rigid |
| Fork travel | 50 mm |
| product ID | 318861 |
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.
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