Explosion 50 Explosion 50

Frame size: from the middle of BB shell to the end of seat tube

Frame size (in)17.018.520.0
A Seat tube length (mm)430470510
B Effective top tube length (mm)612590575
C Seat tube angle (°)737373
D Head tube angle (°)717171
E Chainstay length (mm)425425425
F Wheelbase (mm)1 04910641087
G Head tube length (mm)130115110
BB Shell size (mm)BC 1.37*24
Head tube size (mm)IHS 1-1/8
Seat post diameter (mm)31.631.631.6
Seat clamp diameter (mm)34.934.934.9
Front derailleur diameter (mm)34.934.934.9