Hub specifications and wheel building information
R45 front R45 rear
axle type R45, two piece R45, one piece
axle width (mm) 100 130
flange diameter - drive side (mm) 39.78 50.95
flange diameter - non drive side (mm) 39.78 50.95
center to flange - drive side (mm) 34.80 18.86
center to flange - non drive side (mm) 34.80 34.58
frame attachment quick release only quick release only
available spoke hole configurations 20, 24, 28, 32 24, 28, 32
spoke gauge 13, 14, 15 13, 14, 15
spoke hole diameter (mm) 2.54 2.54
weight (g) 102 215
A FFCDEDCB G
axle end
adjusting cone
front hubshell bearing
front hubshell bearing inner seal
A.
B.
C.
D.
front hubshell
front axle O-ring
front main axle
E.
F.
G.
R45 front hub exploded diagram
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