CeramicSpeed Trek BB90 Bottom Bracket - SRAM GXP and Trek, Black Coated Bearing Shimano Tiagra Go fast or go home

Go fast or go home with TYR Nest Pro Adult Goggles

Water resistant seat padding

No parabens

Whether you're navigating busy city streets or riding in wet conditions

Front Positioning: Swim at slower speeds with perfect stability

CeramicSpeed Trek BB90 Bottom Bracket - SRAM GXP and Trek, Black Coated Bearing Shimano Tiagra Go fast or go homeTrek 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 features super smooth, super round CeramicSpeed balls rotating in hardened steel