CeramicSpeed BB90 Bottom Bracket - 24mm Spindle, Black Coated Bearring Bike Type_Road 46cm (center to center)

46cm (center to center)

MATERIAL (HB) Unidirectional Carbon CLAMP DIAM 31

3 LED Design

Beyond its weight

CeramicSpeed BB90 Bottom Bracket - 24mm Spindle, Black Coated Bearring Bike Type_Road 46cm (center to center)BB90 is the Trek oversized bottom bracket standard and is only found on Trek road bikes. The shell is 90. 5mm wide and is designed to work with 24mm spindles and road cranks and have the bearings inside the shell. The CeramicSpeed Bearings come 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 contained in