The Work Horse Bottom Bracket
Sealed cartridge bearings
Boron steel spindle
Phosphate cups
Anodized aluminum sheath
Thread spec: BC1.37” x 24T
280 grams
JIS taper (fits modern cranks- not compatible with classic European cranks)
Available in the following sizes:
68mm shell by 107mm, 110.5mm, 113mm, 118mm, 122.5mm, 127.5mm
73mm shell by 110.5mm, 113mm, 118mm, 122.5mm





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