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All parts of the Monocrome Bottom Brackets are available as spares. Select your Monocrome BB at left or browse below to view bearings, "Top Hat" plastic bearing covers and spacers. If you need replacement cup/s or centre sleeves please contact us for details.
CNC Storm Drains
If your original Monocrome Bottom Bracket was purchased without CNC Storm Drains it is never too late to have us machine these drains into your bottom bracket. You can purchase this service along with your replacement bearings.
The CNC machined drainage channels allow any water to escape before it can enter the bearing. A necessity for those who ride in the wet or through rivers and streams. The CNC Storm Drains greatly increase bearing life and reduce maintenance requirements.
2.5 mm spacer for 41 mm press-fit (and Screw-Fit 41) bottom brackets (BB92 & SRAM)
This spacer is required for any frames with an 89.5 mm wide BB shell, unless using a 2.5 mm wide chain guide or BB mount derailleur
ID: 41.3 mm, OD: 44.3 mm, W: 2.5 mm