C-BEAR BB90 Trek Shimano Race Bottom Bracket 37 x 90.5 mm

C-BEAR BB90 Trek Shimano Race bottom bracket - Silent Speed Performance

The C-BEAR BB90 Trek Shimano Race bottom bracket is a special bottom bracket for the installation of a 24 mm crank (especially Shimano Hollowtech II) into a BB90 Road frame by Trek. The ceramic bearings inspire with quiet, smooth running - true to the motto " Silent Speed Performance" . C-BEAR made this bottom bracket for road use only.

Specifications:

Application:

Road

Type:

BB90

Shell Diameter:

37 mm

Shell Width:

90.5 mm

Axle Diameter:

24 mm

Technical Information:

Bearings:

Ceramic

Compatibility:

• Shimano Hollowtech II
• Rotor 3D, Agilis, REX 3
• Race Face X-Type

Features:

• Race version, designed for driving on dry, clean roads
• very efficient, low rolling resistance

Technology:

Specific Applications
C-BEAR (Ceramic BEARings) Inner bearings are available with 2 different types of ceramic bearings. The Race bottom bracket bearings are designed for low rolling resistance and intended for use on dry roads. They placed in the top 3 for bottom bracket efficiency in a study by the independent Friction Facts Lab (with first place going to an unsealed bottom bracket for indoor use).

Manufacturer Number:

bbl-trek-shi-r

Contents:

• 2 x C-BEAR BB90 ceramic bearings
• 2 x dust cap