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MR18307 Sealed Cartridge Bearing (BB8307)


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ABI Standard Design Cartridge Bearings.
  • If the bearing you are replacing is not marked with a manufacturer number, measure it and compare to specifications listed
  • 90% filled with Mobilux NGLI 2 synthetic grease, dual-lip labyrinth seals
  • For some DT, Bontrager and Giant applications
  • Replaces 6903 bearings with 18mm bore in DT Swiss hubs
Item Specifications
Bearing I.D.18
Bearing O.D.30
Manufacturer NumberMR18307
Freewheel West Bank - 612.339.2219 Freewheel Eden Prairie -952.377.2230 Freewheel Midtown Bike Center - 612.238.4447
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