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
• Avail to fit 19mm and 24mm spindles
• Compatible with press-fit “Mid” bottom brackets
• Strong and smooth running R-12 bearings