A

Effective Frame Size

50

54

56

58

60

B

Seat Tube Length CTT

47

51

53

55

57

C

Seat Tube Length CTC

43.5

47.5

49.5

51.5

53.5

D

Effective Top Tube

52

54

55

56.6

57.7

E

Actual Top Tube

50.4

52.4

53.3

54.9

56.1

F

Head Tube Angle

71

71.5

72

72

72

G

Head Tube Length

11

13.5

15

16.5

18

H

Chain Stay Length

42.5

42.5

42.5

42.5

42.5

I

Seat Tube Angle

74.5

74

73.5

73

73

J

Wheel Base

99.8

100.9

101

102.1

103.2

K

Front Center

58.3

59.4

59.5

60.1

61.7

L

Bottom Bracket Drop

6.8

7

7

7

7

M

Fork Rake

4.5

4.5

4.5

4.5

4.5

Weight lbs.

3.29

3.47

3.51

3.69

3.8

Weight kgs.

1.49

1.57

1.59

1.67

1.72