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Описание
- Frame RAID 29" ALLOY 6061 DISC
- Fork SUNTOUR XCT HLO 100mm 1.1/8"
- Tires 127: KENDA 29X2.10 54-622
- R. Derailleur SHIMANO ALTUS ARDM280SGS 8- SPEED, Brakes SHIMANO MECHANICAL ABRTX805
Видео
Сайт производителя
Статьи
Технологии
WHEEL SIZE
THE RIGHT DIAMETER FOR YOUR RIDING
A few years ago, there was a real boom in 29" wheels, offering a proper alternative to the traditional 26". Nowadays, 27.5" is winning over most of the MTB world, as the ideal compromise. We at Lapierre have believed in this new wheel format from very early on, and we have been offering our OST+ platform in 27.5" for our Spicy and Zesty AM models since 2014. It is also making a name for itself on our brand-new X-Control. For 2015, our 27.5" range is expanding even more: for the first time, we are offering this diameter wheel on our DH models! This new standard has proved itself, with podium finishes at the Downhill World Cup for Loic Bruni and his fellow Team Lapierre Gravity Republic members.
Our choices in terms of wheel size and the emergence of new standards like 27.5" are in response to a need to optimise performances. Our goal is to provide you with the best bike for the way you ride, for your favourite terrain and for your build.
How does it work?
Everybody knows that the smaller the wheels, the more responsive the bike and its handling. The bigger they are, on the other hand, the better suited the bike is to speed and rolling over obstacles.
What's more, larger-diameter wheels have significant inertia (because their rotational mass is greater). You need enough inertia to keep the bike stable, but too much inertia will negatively affect its handling, its acceleration and its braking.
Therefore, we can distinguish 4 criteria that vary significantly with wheel diameter: weight, rollover, grip and acceleration.
Weight
For different assemblies with the same component types (wheel + tire):
- A 27.5" wheel is 5 % heavier than a 26" wheel
-
A 29" wheel is 11 % heavier than a 26" wheel
Rollover
A bike's rollover capacity is determined by the wheel's angle of attack to the obstacle. The bigger the wheel, the smaller the angle of attack, making it easier to roll over.
Grip
The bigger the wheel, the more contact surface between tire and ground (at the same inflation pressure), which therefore improves grip. Better grip means a bike that is easier to ride and has better braking.
Acceleration
It is wheel inertia that influences a bike’s acceleration performance: the bigger the wheels, the greater the rotational mass, the higher the inertia and, therefore, the slower the acceleration. As we can see in the graph below, a bike fitted with 29” wheels will have a higher top speed, but more time and energy will be needed to reach that speed.
In Conclusion:
- The 29" is the ultimate weapon for X-country competition and trails, but it is also suited to larger builds and to riders with more limited skills.
- Perfectly suited to all-mountain and enduro, the 27.5" represents the perfect compromise between handling, responsiveness and rollover.
Характеристики
| ОСНОВНОЕ | |
| область применения | горный хардтейл |
| СПЕЦИФИКАЦИЯ | |
| speeds (количество скоростей) | 24 |
| диаметр колеса | 29 дюймов |
| модельный ряд | 2015 год |
| тип товара | Велосипед |
| производитель | Lapierre |
| frame (рама) | RAID 29.0" ALLOY 6061 DISC |
| size (размер рамы) | XS - 33,5 / S - 39 / M - 44,5 / L - 50 / XL - 55 |
| color (цвет) | Black / Red / White (Shiny) |
| bottom bracket (каретка) | VP-BC73T |
| fork (вилка) | SUNTOUR XCT HLO 100mm 1.1/8" |
| rear derailleur (задний переключатель) | SHIMANO ALTUS ARDM280SGS 8- SPEED |
| коллекция | Sport |
| front derailleur (передний переключатель) | SHIMANO ALTUS AFDM191L6 31,8mm 66-69° |
| shifters (манетки-шифтер) | SHIMANO STTX800 3x8 SPEED |
| brakes (тормоза) | SHIMANO MECHANICAL ABRTX805 |
| brake levers (тормозные ручки) | |
| saddle (седло) | LAPIERRE RAID STEEL RAIL |
| seatpost (подседельный штырь) | LAPIERRE RAID ALLOY SP-DC1 L:350mm DIA:27,2mm |
| handlebar (руль) | LAPIERRE RAID ALLOY HB-RB11L W:720mm R:15mm DIA:31.8mm |
| stem (вынос) | LAPIERRE RAID ALLOY AS-DC1 7° DIA:31.8 E:70mm / 90mm (Size L,XL) |
| grips (ручки руля) | |
| headset (рулевая колонка) | VP-Z104PE + 10mm top cap |
| wheels (колеса) | RAID D-WALL 27.5" 19C 32H - SHIMANO ALTUS HBRM33B 32H CENTERLOCK - SHIMANO ALTUS AFHRM33BZB 32H CENTERLOCK |
| rims (обода) | |
| tires (покрышки) | KENDA 29X2.10 54-622 |
| tubes (камеры шин) | |
| wheel hub (втулки колес) | |
| spokes (спицы) | |
| pedals (педали) | |
| crankset (система-шатуны) | SHIMANO AFCM171C244X3 42x34x24 BLACK 170mm (XS, S) • 175mm (M, L, XL) |
| gear ratio (передаточное отношение) | |
| sprocket (касета-задние шестерни) | SHIMANO CSHG2008 8-SPEED 12-32 T |
| chain (цепь) | |
| weight (вес) | 14,90 KG |
| brutto (вес в упаковке) | 19,00 KG |
| страна производитель | Тайвань |
| ОБЩИЕ ХАРАКТЕРИСТИКИ | |
| гарантия от производителя | 24 месяца на раму и 6 месяцев на оборудование |
| ДОПОЛНИТЕЛЬНАЯ ИНФОРМАЦИЯ | |
| габариты упаковки | 180 x 80 x 22 см |
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Теги: Велосипед, Горный, Хардтейл, Lapierre, Лапьер, Raid, 129, 2015
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