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Comparison Giant ATX 3 Disc GE 27.5 2020 frame L vs Comanche Prairie Disc 27.5 frame 19

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Giant ATX 3 Disc GE 27.5 2020 frame L
Comanche Prairie Disc 27.5 frame 19
Giant ATX 3 Disc GE 27.5 2020 frame LComanche Prairie Disc 27.5 frame 19
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Model year2020
Type
mountain (MTB)
mountain (MTB)
Frame and suspension
Frame sizeL19"
Frame materialaluminium
aluminium /6061/
Suspensionhardtailhardtail
Suspension type (fork)
spring-elastomer /SR Suntour XCE/
spring-elastomer /SR Suntour M3030/
Fork travel100 mm75 mm
Fork materialaluminium
SeatpostGiant Sport
Wheels and brakes
Wheel size27.5 "27.5 "
Tyre
Giant QuickCross /2.1"/
Kenda Tire Nevegal /2.1"/
Rim material
aluminium /Giant GX03V/
aluminium
Rimdouble walldouble wall
Front brake
mechanical disc /Tektro TKB-172/
mechanical disc /Tektro M280, 160 mm rotor/
Rear brake
mechanical disc /Tektro TKB-172/
mechanical disc /Tektro M280, 160 mm rotor/
Front hub modelJoytech D041DSE
Rear hub modelJoytech D242DSE
Handlebar and transmission
Speeds2121
Chainrings3
/connecting rod: SR Suntour XR-T172/
Freewheel cogs77
Freewheel/cassette modelShimano Tourney TZ500Shimano Tourney TZ21
Bottom bracket modelVP-BC73
Front derailleurShimano TourneyShimano Tourney TY300
Rear derailleurShimano TourneyShimano Tourney TX800
Shifter typetriggertrigger
Shifter modelShimano Tourney EF41Shimano Altus EF500
Chain modelKMC Z7КМС Z-51
Handlebar typestraightstraight
StemGiant SportComanche CSC
Handlebar modelGiant SportСSC Comanche
HeadsetVP-A71
General
Equipment
chain guard
chain guard
Saddle modelGiant CustomVelo CSC
Pedal modelWellgo LU-947
Weight14.5 kg
Color
Added to E-Catalogmarch 2020march 2019

Model year

The year to which the manufacturer classifies the bicycle (more precisely, the model range that includes this model).

The significance of this parameter is that the model range is updated every year, and two bicycles with the same name, but from different years, can differ significantly in characteristics and equipment. At the same time, new models ( 2024, 2023) usually cost more, and older ones ( 2022, 2021, etc.) are sold at reduced prices.

It is worth considering that a later year of manufacture in itself does not necessarily mean more advanced characteristics - manufacturers can change them in the direction of simplification. So the model of previous years may be in no way inferior to the new bike.

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.

Fork travel

Front fork travel on bicycles with damped suspension (see "Suspension"). Roughly speaking, the travel of a fork is the maximum distance that its size can be reduced by compression during shock absorption. The longer the fork travel, the better the shock absorption and “soft” ride it provides, but not all bikes require a lot of travel. Even within the same type (see “Purpose”), depending on the specific application and riding style, the optimal fork travel will be different — for example, freeride mountain bikes need good shock absorption, and for cross-country, on the contrary, a long fork travel will be redundant.

In general, if you do not plan on extreme cross-country riding or doing cycling tricks, this parameter is not critical. However, when choosing a bike for serious cycling, it is worth checking the recommended fork travel values (according to specialized literature or from professionals) and making sure that the desired model corresponds to them.

Fork material

— Aluminium. In this case, aluminium is the simplest and most unpretentious option. Its advantages include light weight; on the other hand, in the absence of shock absorption, the steering wheel with such a fork is highly susceptible to vibrations, and in terms of durability, aluminium is somewhat inferior to steel.

— Steel. Another relatively simple option, which at the same time is considered more advanced than the aluminium described above, and is found even in fairly expensive pro-level bikes. This is due to the fact that steel is noticeably stronger and more durable, as it is not as susceptible to "metal fatigue". However such forks weigh a little more than aluminium ones.

— Chromium molybdenum steel. A type of steel that is more advanced than more traditional grades. Among the main advantages of such alloys are high strength and reliability; at the same time, due to such properties, individual elements of the forks can be made thinner, and the forks themselves can be made lighter than ordinary steel ones. The main disadvantage of Cro-Mo steel is the rather high cost.

— Carbon. Lightweight and high-strength carbon fibre forks effectively dampen small bumps in the road under the wheels of the bike and slightly spring on small potholes, thereby providing cushioning on bumpy roads. The carbon fork facilitates the design of the front of the bike. Most often it is found on board "highways" and "gravel roads", less often it is installed in o...ff-road fatbikes. Vulnerable point — carbon forks break under the influence of strong point impacts.

Seatpost

The model of the seatpost used in the bicycle.

Usually, this information is indicated if a high-quality part is used as a seat post. Knowing the name, you can find its detailed characteristics and descriptions; this is unlikely to be needed for light everyday driving, but may be useful for professional use.

Tyre

Tyre model supplied with the bike as standard. Different tyres have different purposes and characteristics; knowing the tyre model, you can clarify these points and check how they correspond to your wishes. This is especially important when choosing a machine for serious cycling.

Front hub model

The model of the hub used in the front wheel of a bicycle.

The hub is the central part in the wheel through which the axis of rotation passes. Features of the behavior of a bicycle depend on its characteristics, in particular, “rolling” (the ability to move by inertia, without pedaling). Knowing the model of the front hub, you can clarify its characteristics according to the manufacturer's documentation, find reviews from other users, etc., in order to determine how this model suits you.

Rear hub model

Model of the hub used in the rear wheel of a bicycle. See Front Hub Model for details.

Freewheel/cassette model

Model of a cassette — a system of rear wheel gears — mounted on a bicycle. Cassettes of different models differ in characteristics and can belong to different classes — from entry-level to professional. Knowing the cassette model, you can get acquainted with its features in more detail (according to official documentation, reviews, user reviews, etc.). This is especially important when choosing a bike for professional cycling.
Comanche Prairie Disc 27.5 frame 19 often compared