自行車五通中軸

BC1.37” x 24T.
SCM 435 Cr-Mo.
Phosphated cups, barrel polished sheath. TW/CN

BC1.37” x 24T.
Boron steel.
Black cups & sheath.

BC1.37” x 24T.
Boron steel.
Phosphated cups, barrel polished sheath. TW/CN
VP-BC73C for chain guard stay mount plate. TW/CN
VP-BC73A Cold forged aluminum cups. TW/CN
VP-BC73E for front derailleur BB mount plate. TW/CN
VP-BC73T Axle with chainline stopper ring. TW/CN

BC1.37” x 24T.
SCM 440 hollow Cr-Mo.
Anodized chromica aluminum sheath and cups. TW
MB-604 4 sealed bearings for downhill. TW

BC1.37” x 24T.
Boron steel.
Barrel polished sheath,
phosphated cups. TW/CN

BC1.37”x 24TPI.
Caged (1/4”x9). TW/CN

FOR BMX ONE-PIECE CRANK

UNF24T.
Caged (5/16”x9).
Black coating/UCP.
283g. TW/CN

SEALED BEARING WITH ALUMINUM SHEATH/ COLD-FORGED STEEL CUPS

• BC1.37
• Boron steel
• Phosphated cups, anodized sheath

This is the way to reduce inner diameter
from 24 mm to 22 mm.

BC1.37 x 24T
24mm through.
For Road to fit 68mm.
Anodised aluminum cups.
75g (w/o spacer). TW

BC1.37 x 24T
24mm through.
One size for MTB
fit both 68mm and 73mm.
Anodised aluminum cups.
75g (w/o spacer). TW

24mm through.
68mm.
46mm(OD),
Anodised aluminum cups.
78g. TW

24mm through.
68mm
46mm (OD),
Anodised aluminum cups.
75g. TW

24mm through.
86.5mm
46mm (OD),
Anodised aluminum cups.
82g. TW

24mm through.
86.5mm
41mm (OD),
Anodised aluminum cups.
62g. TW