Size Chart - Ridley Helium SLA 2019

 

XXXS (41) XXS (48) XS (51) S (54) M (57) L (60) XL (63)
(A) Max Saddle Height 685 745 775 805 835 865 895
(B) Seat Tube 390 450 480 510 540 570 600
(C) Top Tube - Effective 500 515 525 545 565 585 600
(D) Head Tube Length 107 107 127 142 172 202 227
(E) Seat Tube Angle 75.5 75.0 74.0 73.5 73.0 72.5 72.5
(F) Head Tube Angle 70.0 71.8 72.0 73.0 73.5 73.5 74.0
(G) Chainstay Length 405 405 405 405 405 408 408
(H) BB Drop 67.1 68 68 66 66 63 63
(I) Wheelbase 976 970 970 977 987 1005 1014
(J) Standover Height 694 726 751 774 804 834 861
(S) Stack 500 507 527 543 573 599 625
(R) Reach 371 379 374 384 390 396 403