CeramicSpeed BB90 Bottom Bracket - SRAM GXP, Black Standard Bearing Bike Accessories_Components Capacity: 1 or 2 cage

Capacity: 1 or 2 cage compatible

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The 2019 Argon 18 Gallium Pro Road Bike Frameset is a pinnacle of engineering and design

CeramicSpeed BB90 Bottom Bracket - SRAM GXP, Black Standard Bearing Bike Accessories_Components Capacity: 1 or 2 cageTrek developed their own bb standard to optimize their frame designs. BB90 has a 90. 5mm shell width and 37mm inner diameter and is designed so that the bearings of external cups can hide within the frame. The CeramicSpeed kit comes as two bearings, which are then pressed into the frame. Those two bearings consist of either CeramicSpeed Standard or Coated Bearings. Both feature super smooth, super round CeramicSpeed balls rotating in hardened steel