Size Chart - Ridley Helium X 2019

 

XXS (48) XS (51) S (54) M (57) L (60) XL (63)
(A) Max Saddle Height 745 775 805 835 865 895
(B) Seat Tube 450 480 510 540 570 600
(C) Top Tube - Effective 515 525 545 565 585 600
(D) Head Tube Length 107 127 142 172 202 227
(E) Seat Tube Angle 75.0 74.0 73.5 73.0 72.5 72.5
(F) Head Tube Angle 71.8 72.0 73.0 73.5 73.5 74.0
(G) Chainstay Length 405 405 405 405 408 408
(H) BB Drop 68 68 66 66 63 63
(I) Wheelbase 970 969 977 986 1005 1014
(J) Standover Height 721 755 775 804 834 961
(S) Stack 507 526 542 573 599 625
(R) Reach 379 374 384 390 396 403