Have you ever heard the words "you need a new bottom bracket"? What they really meant was you need a Shimano Dura-ace 7900 bottom bracket for your Hollowtech II crankset. Shimano re-engineered the 7900 BB cups for greater durability and a smoother pedaling motion. Get on it.
Item No. » SH-BB7900I-BASE
Nashbar No price available.1 or more: null
Sorry, this item is Out of Stock. You can still order it and we will ship it to you as soon as it comes in.