求助 : FUJI Roubaix 尺寸選擇

各位01的前輩好

小弟最近想從登山車進入到公路車,關於尺寸選擇想求助於板上前輩意見.

小弟看中的車子是FUJI Roubaix 系列,但基於很多原因,只能買"中古"的,所以就不去店家給人家亂試了...

關於公路車尺寸,小弟有小小研究了一個月,也在01和各車友的部落格上爬了很多文,但資質甚差,吸收不良,

弄了半天還是只有在competitivecyclist.com算出自己身材數據和適用尺寸 :

身材數據:

Gender......................M
Inseam.....................77 cm
Trunk.......................60.5 cm
Forearm...................33 cm
Arm..........................61.5 cm
Thigh........................58 cm
Lower Leg................51 cm
Sternal Notch...........137 cm
Total Body Height.....168 cm

身材不好,大家見笑了......

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適用尺寸 :
......................................The Competitive Fit.....The Eddy Fit......The French Fit
Seat tube range c-c..............49.9 - 50.4..............51.1 - 51.6.......52.8 - 53.3
Seat tube range c-t..............51.4 - 51.9..............52.6 - 53.1.......54.3 - 54.8
Top tube length....................52.2 - 52.6..............52.2 - 52.6.......53.4 - 53.8
Stem Length.........................10.2 - 10.8..............9.1 - 9.7.............9.3 - 9.9
BB-Saddle Position................65.8 - 67.8..............65.0 - 67.0.......63.3 - 65.3
Saddle-Handlebar.................49.6 - 50.2..............50.4 - 51.0.......52.1 - 52.7
Saddle Setback.......................3.9 - 4.3.................5.1 - 5.5............4.6 - 5.0

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FUJI Roubaix 車架尺寸 (我只列出可能適用的尺寸)

Description.....................................49cm...........52cm
SEAT TUBE, CENTER TO TOP...........490.0...........520.0
EFFECTIVE TOP TUBE LENGTH........515.0...........530.0
CHAIN STAY....................................410.0...........410.0
BB DROP...........................................69.0...........69.0
FORK OFFSET....................................50.0...........50.0
HEAD TUBE ANGLE............................72.0...........72.0
SEAT TUBE ANGLE.............................75.0...........74.0
WHEEL BASE 9................................976.8...........982.3
STAND OVER HEIGHT.......................746.1...........759.1
HEAD TUBE LENGTH.........................115.0...........115.0
reach...............................................375.8...........381.7
stack................................................512.9...........512.9
trail....................................................58.0...........56.2
STEM LENGTH....................................90.0...........100.0

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看了很多多文章,都說選車以"有效上管"為主,而且車架要選小一點點,

那似乎該選49cm車架,但是我的c-t數據卻又超過車架一點點,那這...不用理會嗎?

沒有辦法去店裡試車,有中意的中古車也在很遠的外縣市沒辦法約試,頭痛好幾天了...

我了解車買來後龍頭/把手/坐墊/bb等等其實都還要再微調甚至換掉,

但那都是後話,因為現在只希望能夠一次就挑選到正確尺寸車架,

所以在沒人能幫忙的狀況下只好開文求助,懇請板上的前輩能否幫小弟看一下數據,感恩,感謝~