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Comparison Winner Impulse 27.5 2019 frame 19 vs Winner Impulse 29 2019 frame 20

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Winner Impulse 27.5 2019 frame 19
Winner Impulse 29 2019 frame 20
Winner Impulse 27.5 2019 frame 19Winner Impulse 29 2019 frame 20
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Model year20192019
Type
mountain (MTB)
mountain (MTB)
Max weight120 kg
Frame and suspension
Frame size19"20"
Frame materialaluminiumaluminium
Suspensionhardtailhardtail
Suspension type (fork)
spring-elastomer /MRK 360 MLO/
spring-elastomer /MRK MLO/
Fork travel100 mm100 mm
Fork lockout
 /mechanical/
Fork materialaluminiumaluminium
SeatpostXJ
Wheels and brakes
Wheel size27.5 "29 "
Tyre
Innova IA2549 /2.1"/
Innova IA2549 /2.1"/
Rim materialaluminiumaluminium
Rim
double wall /MH-20/
double wall /Mc18/
Front brake
mechanical disc /Tektro M280, 160 mm rotor/
mechanical disc /Tektro M280, 160 mm rotor/
Rear brake
mechanical disc /Tektro M280, 160 mm rotor/
mechanical disc /Tektro M280, 160 mm rotor/
Front hub modelKT-68Joytech
Rear hub modelKT-68Joytech
Handlebar and transmission
Speeds2121
Chainrings
/Prowheel AC-43+, 24-34-42T/
/Prowheel AC-43+, 24-34-42T/
Freewheel cogs77
Freewheel/cassette modelShimano Tourney HG200Shimano Tourney HG200
Bottom bracket modelNeco B910Neco B910
Front derailleurShimano Tourney TY300Shimano Tourney TY300
Rear derailleurShimano Tourney TY300Shimano Tourney TY300
Shifter typetriggertrigger
Shifter modelShimano Altus M310Shimano Altus M310
Chain modelKMC Z-51KMC Z-51
Handlebar typestraightstraight
StemXJ ALXJ S-AL-007
Handlebar modelFF
General
Equipment
chain guard
kickstand
chain guard
kickstand
Saddle modelYBTWinner Ybt-6553
Pedal modelYH-20XYH-20X
Weight14.7 kg15.3 kg
Added to E-Catalogjuly 2019july 2019

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".

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.

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.

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.

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.

Stem

Features of the handlebar stem (see " Stem Adjustment ") installed on the bike. Here, both the offset model and its individual characteristics, most often the length and diameter, can be indicated. The stem itself can be either a separate part or an integral part of the steering wheel itself (the so-called integrated stem); the latter option is convenient in that the steering wheel cannot be skewed (unless broken), respectively, there is no need for centering.

As for the parameters, the rider’s landing depends on the length — the longer the takeaway, the more you will have to lean forward (ceteris paribus); strength and resistance to loads are directly related to the diameter; See “Cassette Model” for details on why the model name may be needed. It is worth noting that these parameters are important primarily for keen enthusiasts who pay attention to the smallest details in the characteristics of the machine; for most users, even advanced ones, such trifles are unlikely to be useful.

Handlebar model

The model of the handlebar supplied as standard with the bike. For more information on why you need to know the model of a particular bicycle component, see paragraph "Cassette Model".

Saddle model

The model of the saddle supplied as standard with the bike. For more information on why you need to know the model of a particular bicycle component, see p. "Cassette Model".
Winner Impulse 27.5 2019 frame 19 often compared