Shimano SM-BBR60 Ultegra 68mm English BB Grey moms day 2016 SJ FSR SJ FSR

2016    SJ FSR    SJ FSR CARBON 6FATTIE FRM I1

eliminates chain skipping caused by dirt and grunge

2016    ENDURO FSR    ENDURO FSR EXPERT CARBON 650B

making it the toughest chain keeper in the business and the easiest to fix if it's ever damaged

These major components of the system are manufactured of aluminum to maintain as low a weight as possible

Shimano SM-BBR60 Ultegra 68mm English BB Grey moms day 2016 SJ FSR SJ FSRWith reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. Product notes: SHIMANO ULTEGRA: Threaded Bottom Bracket 68 70 mm shell width SHIMANO Bottom Bracket: Threaded HOLLOWTECH II 68 70 mm shell width