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Traditional bottom brackets are mostly designed as the way
of locking both end outside but it will result in damage
of apprearance easily due to lock improperly. Under the
consideration of rigidityof aluminum alloy, HYGIA`s Bottom
Brackets change the locking method to inernal for ISIS
SYSTEM TOOL in both ends. it is not only lighter and
thinner but also to solve the problem of easily wearing
appearance. |
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Feature |
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Material:CNC Durable Forged
Alumium cups.
For:XC All Mountain and Road.
Shell: 68mm or 73mm
Cups:sealed bearings(BC-1.37"thread)/1*Alloy steel with
2*O-rings/3*2.5mm spacer.(Ceramic
bearing available)
Compatible with Shimano Hollow tech series BB
Colors: Red/Blue/Gold |
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