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Comparison Discovery Rocket AM2 DD 24 2020 vs Discovery Rocket AM2 DD 24 2019

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Discovery Rocket AM2 DD 24 2020
Discovery Rocket AM2 DD 24 2019
Discovery Rocket AM2 DD 24 2020Discovery Rocket AM2 DD 24 2019
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Model year20202019
Type
mountain (MTB)
mountain (MTB)
Ageteenagerteenager
Max weight75 kg90 kg
Frame and suspension
Frame size15"15"
Frame materialsteelsteel
Suspensionfull suspensionfull suspension
Suspension type (fork)spring-elastomerspring-elastomer
Fork travel40 mm
Suspension type (rear suspension)spring-elastomerspring-elastomer
Wheels and brakes
Wheel size24 "24 "
Tyre
Wanda /1.95"/
Wanda /2.1"/
Rim materialaluminiumaluminium
Rimdouble walldouble wall
Front brake
mechanical disc /Yinxing DB-01, 160mm rotor/
mechanical disc /rotor 160 mm/
Rear brake
mechanical disc /Yinxing DB-01, 160mm rotor/
mechanical disc /rotor 160 mm/
Handlebar and transmission
Speeds2121
Chainrings33
Freewheel cogs77
Freewheel/cassette modelShunfeng SF-FW05
Bottom bracket modelXR-BB03Kenli
Front derailleurSypo YD-Q50Sypo YD-Q50
Rear derailleurSunrun HG-40ASypo
Shifter typetriggertrigger
Shifter modelSaiguan KD-500Saiguan KD-500
Handlebar typestraightstraight
General
Equipment
mudguards
chain guard
kickstand
mudguards
chain guard
kickstand
Weight17.6 kg17 kg
Color
Added to E-Catalogfebruary 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.

Max weight

The maximum load allowed for a bicycle is, in other words, the maximum weight that it can normally carry in normal use. Of course, when calculating the load, the weight of both the cyclist himself and the additional load that he carries with him is taken into account.

The permissible load must definitely not be exceeded: even if the bike does not break down immediately, off-design loads can weaken the structure, and an accident can occur at any time. Also note that it is desirable to have a certain weight margin — at least 15 – 20 kg: this can be useful in case of transporting heavy loads and will give an additional guarantee in emergency situations (for example, when a wheel gets into a pit). Considering that the average weight of an adult is about 70 – 80 kg, bicycles with a permissible load of up to 100 kg can be classified as "lightweights", from 100 to 120 kg — to the middle category, more than 120 kg — to "heavy trucks".

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.

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.

Bottom bracket model

Model of the carriage installed on the bike as standard. The bottom bracket is the part that connects the system (front sprockets with pedals) and the frame; roughly speaking — an axle with bearings.

For details on the meaning of the model of a particular part, see "Cassette Model".

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 Rocket AM2 DD 24 2020 often compared
Discovery Rocket AM2 DD 24 2019 often compared