在兩大單車網站詢問後,有了個總結!
做了兩個網站的Fitting(Wrench Science=WS、CompetitiveCyclist=CC)

1. WS的Frame Size center-to-center/top 是指立管的size

2. 如果我的判讀沒有錯,下面這三家我應該買這些size!GiantMeridaFuji
實際上還是得看實際車子的各項諸元(含龍頭/把手/座墊..等)
WS: 少了上管長,難以判定
CC競爭: Giant→S-M、Merida→50cm、Fuji→520
CC休閒: Giant→M-ML、Merida→53cm、Fuji→540

3. CC各種Fit的意義 - WillWaiting車友
Competitive Fit
風阻比較小 在握下把時活動空間比較大
缺點是手掌壓力大還有脖子要比較挺

Eddy Fit= Eddy Merckx使用的
比競賽用的車架略大、龍頭較短 不過騎會舒適一些但會損失一些動力

The French Fit
理論上是三種裡面最舒適的 比較適合長途旅行
不過很少有人買大車架去特別調整龍頭長、高 把手長 座管長
除非自己組車的才會注意這些

4. 車友結論
4-1. WillWaiting車友
CompetitiveCyclist測量比較準確 也比較多資訊
以WS的數據跟CC的數據你的C-C都差不多是50 看來差不了太多
不過近年來車架都走向壓縮車架
看上管長(Top tube,而且是有效上管長)會比較準確
C-C跟C-T的數據是建立在傳統的水平車架

4-2. 眾多車友
最好是Fitting機台+經驗嫻熟老師傅,其次就是上實車試試看。因網站量出來的不一定準,且實際上肌力/柔軟度等都不同,網站套公式的難以符合各人實際狀況。


量測數據
Wrench Science
WS Recommended Sizes
Frame Size center-to-center: 50 cm
Frame Size center-to-top: 51 cm
Overall Reach: 65.35 cm
Saddle Height: 67.37 cm
Handlebar Width: 42 cm

Your Measurements
Height: 172.00 cm
Sternum Notch: 141.00 cm
Inseam Length: 76.30 cm
Arm Length: 58.00 cm
Shoulder Width: 41.50 cm
Flexiblity: 8
Weight: 62.00 kilo
Foot Size: 9.50 USMens

CompetitiveCyclist
Measurements
-------------------------------------------
Inseam: 76.3
Trunk: 58
Forearm: 38
Arm: 58
Thigh: 57
Lower Leg: 53
Sternal Notch: 141
Total Body Height: 172


The Competitive Fit (cm)
-------------------------------------------
Seat tube range c-c: 49.4 - 49.9
Seat tube range c-t: 50.9 - 51.4
Top tube length: 53.8 - 54.2
Stem Length: 10.7 - 11.3
BB-Saddle Position: 69.2 - 71.2
Saddle-Handlebar: 50.6 - 51.2
Saddle Setback: 2.4 - 2.8


The Eddy Fit (cm)
-------------------------------------------
Seat tube range c-c: 50.6 - 51.1
Seat tube range c-t: 52.1 - 52.6
Top tube length: 53.8 - 54.2
Stem Length: 9.6 - 10.2
BB-Saddle Position: 68.4 - 70.4
Saddle-Handlebar: 51.4 - 52.0
Saddle Setback: 3.6 - 4.0


The French Fit (cm)
-------------------------------------------
Seat tube range c-c: 52.3 - 52.8
Seat tube range c-t: 53.8 - 54.3
Top tube length: 55.0 - 55.4
Stem Length: 9.8 - 10.4
BB-Saddle Position: 66.7 - 68.7
Saddle-Handlebar: 53.1 - 53.7
Saddle Setback: 3.1 - 3.5


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http://www.wrenchscience.com/
http://www.competitivecyclist.com/
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