Bottom Brackets S&M Bikes Mid Bottom Bracket 19mm Kit – Black

The S&M Mid Bottom Bracket Kit includes 2 precision sealed bearings, 2 cones, and internal spacer for use in any Mid BB frame. Get rid of that grinding feeling while pedaling and throw in some new bearings.

Features:

• CNC’ed anondized Aluminum cone spacers
• Available for 19mm, 22mm, or 24mm spindles
• Compatible with press fit Mid frames
• Strong R-12 bearings