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The external bottom bracket is available with two different bearing options. All common systems are covered with this upgrade unit – making it ideal for Shimano, Race Face and others. The machined aluminium cups hold either full stainless steel cartridge bearings, or ceramic bearings in stainless races. These custom, Swiss made bearings are double sealed, fully serviceable and removable which give much greater life span than stock units.
The bearings are made (as all our bearings are) by INA and have been designed to run directly on the crankset axle, without the use of shims or spacers – again increasing life and reliability. We use a non contact, free running labyrinth seal to protect the bearing externally, and the machined aluminium centre tube is sealed internally with o-rings. The unit is suitable for 68 & 73mm shell width’s, 83mm width and a specific road unit. Standard 6 colours are available on cups – red, blue, silver, black, gold and gunmetal, with the centre tubes being black on the stainless and gunsmoke on the ceramic. The external bottom bracket is available with two different bearing options. All common systems are covered with this upgrade unit – making it ideal for Shimano, Race Face, Truvativ (extra conversion kit required) and others. The machined aluminium cups hold either full stainless steel cartridge bearings, or ceramic bearings in stainless races. These custom, Swiss made bearings are double sealed, fully serviceable and removable which give much greater life span than stock units. The bearings are made (as all our bearings are) by INA and have been designed to run directly on the crankset axle, without the use of shims or spacers – again increasing life and reliability. We use a non contact, free running labyrinth seal to protect. the bearing externally, and the machined aluminium centre tube is sealed internally with o-rings. The unit is suitable for 68 & 73mm shell width’s – with an 83mm width version and a specific road unit.
Standard 6 colours are available on cups – red, blue, silver, black, gold and gunmetal, with the centre tubes being black on the
stainless and gunsmoke on the ceramic.
SPEC:
CNC machined in Barnoldswick, England
Custom stainless steel and ceramic bearings by INA of Switzerland
Internal and External sealing
Bearings replaceable
Weight – Stainless 113g,
Ceramic 109g