SHIMANO

leadin remain leadin

公路:

DURA-ACE -- The ultimate in road racing performance and dependability, born
from leading-edge technology.
DURA-ACE TRACK -- Reflects the latest advances in Shimano materials and
component engineering.
ULTEGRA -- Engineered to the same specifications as Dura-Ace for
triathletes, fitness riders and long distance cyclists...or anyone who
demands real racing performance from a road bike.
105 -- Our sport-racing group offering cost-performance value.
TIAGRA -- Real racing performance and enhanced feeling of control
response for recreational road-sport bikes.
SORA -- An easy-riding road component group to make recreational cycling
more fun.
FLAT HANDLE BAR -- New components for road-sport bikes with straight handle
bars for comfort-minded cyclists.

山地:

AIRLINES -- Shimano's radically air-powered rear derailleur shifting system
for downhill racing.
XTR -- The ultimate racing component group.
DEORE XT -- The off-road component series that remains the choice of
performance-Obsessed cyclists.
DEORE LX -- The standard in function, dependability and leading edge
styling.
DX -- motocross components that continue to rule the race tracks.
DEORE -- The best value in sport-performance MTB components available
today.
ALIVIO -- Style, value, and responsive performance for recreational
mountain bikes.
casual riders and entry level cyclists.
ALTUS --Comfortable control and Shimano quality for MTB-style street
and youth bikes.
TOURNEY -- Extra value for a wide range of casual, utility and youth
bicycles.

XTR:一種越野車零件的藝術代表
XT:對高性能山地車套件技術的不懈追求
LX:居家、戶外汽車的高能量套件
Deore:帶來真正騎車樂趣的高性能套件
我大概以2003年的牙盤+中軸為例來說說區別吧:當然了,Deore以上都是中空曲柄臂加花鍵(Deore有一款是方孔)加9速的,下面主要說區別。
XTR:曲柄臂是鑄造硬質鋁,碟片都是7075鋁的,鏈輪螺母螺釘也都是7075鋁的,腿的長度從165~180mm,每2.5mm有一個型號,也就是說有7種長度,平均重量797克中軸和牙盤是一體的。其他幾個型號都不是一體的。
XT:曲柄臂是鑄鋁,中盤小碟片不是7075鋁了,螺母和螺釘也是普通鋁,腿的長度一共有5種規格,平均重量872克。
LX:在XT的基礎上,大盤中盤是鋁的,小碟片是鋼的,螺釘為不鏽鋼,螺母為鋼,腿的長度只有170和175mm兩種規格,平均重量906克。
Deore:中盤小盤都是鋼的,大盤有一種鋼的一種鋁的,中軸有一個型號不是中空的(un),另一個型號(es)是和LX以上類型一樣是中空的,平均重量為972克~1093克。
再舉例說說飛輪:都是9段的
XTR:大的四片碟片是鈦的,小的五個是鋼的,齒片表面處理是鍍層材料為Ti/Ni-P輕質合金底座,重量240克
XT:從XT往下全部為鋼碟片了,齒片表面鍍鉻,重量300克
LX:底座不再是輕質合金,齒片表面處理為"珠光表面處理",重量330克
Deore:齒片表面處理為鍍Ni,重量358克
看了上面的,大家應該有點體會了。XTR就是不惜成本的要把東西做成精品,其實並不見得不耐用的,但是有時候在高性能和耐用上會一定程度上考慮前者。
XT是去掉了奢侈品的好代表:例如不用鈦片什麼的,不用特殊材料,都還是用價格比較合理的材料。LX為簡略版XT,個別地方就開始偷懶。Deore則夠用就行的了。

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