Shimano SM-BB80 Bottom Bracket MFPN=ISLM7100RAP Grooved channels prevent mud and

Grooved channels prevent mud and water buildup

to access shocks where linkages would get in the way with a

This upgrade kit includes the DebonAir C1 seal head and foot nut

Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer

allowing air to move through the valve without becoming obstructed by the insert

Shimano SM-BB80 Bottom Bracket MFPN=ISLM7100RAP Grooved channels prevent mud andShimano Saint BB71, BB80B, BB80D Hollowtech II Bottom Brackets Includes 3 x 2. 5mm spacers Extra long threads on drive side cup for increased interface when using BB mounted chain control device Gold anodized finish