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Comparison Discovery Trek AM DD 29 2022 frame 19 vs Discovery Trek AM DD 26 2022 frame 18

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Discovery Trek AM DD 29 2022 frame 19
Discovery Trek AM DD 26 2022 frame 18
Discovery Trek AM DD 29 2022 frame 19Discovery Trek AM DD 26 2022 frame 18
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Model year20222022
Type
mountain (MTB)
mountain (MTB)
Max weight110 kg110 kg
Frame and suspension
Frame size19"18"
Recommended height168 – 180 cm160 – 175 cm
Frame materialsteelsteel
Suspensionhardtailhardtail
Suspension type (fork)spring-elastomerspring-elastomer
Fork travel50 mm50 mm
Wheels and brakes
Wheel size29 "26 "
Tyre
Wanda Compass /2.1"/
Wanda Compass /2.1"/
Rim materialaluminiumaluminium
Rimdouble walldouble wall
Front brakemechanical discmechanical disc
Front brake modelYinxing DB-01Yinxing DB-01
Front rotor160 mm160 mm
Rear brakemechanical discmechanical disc
Rear brake modelYinxing DB-01Yinxing DB-01
Rear rotor160 mm160 mm
Handlebar and transmission
Speeds2121
Chainrings33
Freewheel cogs77
Front derailleurL-TWOO V5008LL-TWOO V5008L
Rear derailleurLTWOO V4007LTWOO V4007-M-2
Shifter typetriggertrigger
Shifter modelL-TWOO A2 V4007L-TWOO A2 V4007
Handlebar typestraightstraight
General
Equipment
chain guard
kickstand
chain guard
kickstand
Weight18.4 kg17.2 kg
Added to E-Catalogmarch 2023august 2022

Frame size

Frame size refers to the distance from the saddle attachment point to the bottom bracket attachment point (axles with gears and pedals). The main parameters that determine the choice of a bike for frame size are the height of the user, the purpose of the bike and the intended riding style.It is also worth considering the female frame, which is lowered, which allows you to ride comfortably even in a skirt or dress.

User height is the most significant factor. In general, the taller the user, the larger the frame should be. The universal formula that allows you to calculate a specific size is as follows: the length of the leg from the groin to the heel in centimeters must be multiplied by 0.6, and then divided by 2.5 — you get the approximate size of the frame in inches. But in the characteristics of brands, the frame can also be indicated in the usual form for measuring size XXS, XS, S, M, L, XL and XXL.

However, note that this value is very arbitrary and approximate, it can only be used for simple bicycles not intended for extreme driving (for example, city bikes, see "Destination"). If you choose a more specialized model (mountain, road, BMX) — it is better to refer to the tables for th...e appropriate type, because. sizes for one height can vary significantly depending on the destination. In addition, different manufacturers have different frame geometry and measurement methods, and therefore, for the most accurate selection, it is recommended to use the manufacturers' own tables.

Note that the optimal frame size is not absolute — in most cases, for the same height, “neighboring” sizes are quite suitable. And here it is worth paying attention to the intended driving style. It is believed that small, well-controlled frames are better suited for extreme variant, and larger and more stable ones are better suited for long-term calm movement.

Recommended height

The user's height recommended by the manufacturer is calculated according to several parameters. One is the wheel diameter, and the second and more important is the frame size. If everything is simple with the wheel size — it is round and always the same, then the frame size complicates the choice. Different types of bicycles have their own frame shape, so even the same size can be suitable for different heights. And this is not to mention the features of the manufacturer, who like to do everything for themselves, and not in a general manner. Therefore, the size of the frame of each bicycle has its own size and it is still better to choose a bicycle by personally “saddling” it. If this is not possible, then our point will tell you what height, according to the manufacturer, this configuration (frame + wheel) of the bike is designed for.

Wheel size

The nominal diameter of the bicycle wheels. Usually, this paragraph actually indicates the size of the bicycle tyres supplied in the kit, more precisely, the outer diameter of the tyres.

Wheel diameter is traditionally indicated in inches. For bicycles of different purposes and age groups (see paragraphs above), there are certain size standards. So, adult mountain models are equipped mainly with 26 " wheels, "road" and urban ones — with a slightly larger diameter (mostly 28 "), and BMX for the most part — much smaller; children's and teens' bikes have smaller wheels than similar adults' bikes.

Other things being equal, larger tyres hold speed better and work out small bumps on the road; and relatively small wheels are more “sticky”, they provide more torque and better traction. This is the reason for the above-described difference in wheel sizes between bicycles for different purposes. Such nuances will be useful if you choose a car from several models with similar characteristics, but different wheel diameters. Here it is worth considering the features of the planned application. For example, for urban and "road" driving — on a hard surface without any special irregularities and elevation changes — it is better to choose larger wheels, and for dirt roads with ups and downs — smaller ones.

Also note that tyres are replaceable, and many bikes allow the installation of tyres of...a “non-native” size — for example, 29 "on a model with 28-inch wheels. It is also worth considering that wheels (tyres) of the same size may differ in inner (landing) diameter These nuances are described in detail in special sources.

Rear derailleur

Model of the derailleur (derailer) installed on the rear wheel cassette as standard on the bike. For more information on why you need to know the model of a particular bicycle component, see paragraph "Cassette Model".
Discovery Trek AM DD 29 2022 frame 19 often compared
Discovery Trek AM DD 26 2022 frame 18 often compared