On One Gamma Geometry

  Small Medium Large X-Large XX-Large
(A) Reach 430 455 475 495 515
(B) Stack 621.16 621.16 639.22 648.24 657.27
(C) Effective Top Tube Length 567.7 592.71 610.87 632.79 654.71
(D) Seattube Length 380 410 440 470 500
(E) Effective Seattube Angle 77.5° 77.5° 78° 78° 78°
(F) Seattube Angle (Actual) 71° 71° 71.5° 71.5° 71.5°
(G) Saddle Height at Saddle Offset 650 700 750 800 850
(H) Saddle Offset at Saddle Height 142.22 158.59 166.66 181.58 196.49
(I) Headtube Length 100 100 120 130 140
(J) Headtube Angle 64° 64° 64° 64° 64°
(K) Chainstay Length 440 440 440 440 440
(L) Front Centre 758.5 783.5 812.11 836.42 860.72
(M) Wheelbase 1197.48 1222.48 1251.09 1275.39 1299.7
(N) Bottom Bracket Drop 30 30 30 30 30
(O) Bottom Bracket Height 345 345 345 345 345
(P) Stand Over Height 721.75 720.28 721.3 720.73 726.77
(Q) Fork Travel 170 170 170 170 170
(R) Trail 132.33 132.33 132.33 132.33 132.33
(S) Fork Offset 42 42 42 42 42
(T) Axle to Crown  582 582 582 582 582
(U) Maximum Seatpost Insert 216 245 270 301 330