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Dura Ace 7900 HollowTech II Bottom Bracket

British Standard
$30.34
RRP: $55.23
Save 45%
Out of stock
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Italian
$40.08
RRP: $55.23
Save 27%
Out of stock
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Dura Ace 7900 HollowTech II Bottom Bracket
Code: BB7900
  • The bottom bracket bearings for the HollowTech II FC-7900 crankset, which is he ultimate crankset for stiffness whilst keeping weight low for performance riding and racing
  • Minimal bearing interface gives superbly smooth rotation
  • Distinctive style that exudes quality and perfection
  • Required for installation of FC-7900 chainset, with a choice of English or Italian thread BB cups

Shipping charges for this item to United States: $8.30

Spend $82.95 or over and get free shipping
  • Estimated delivery transit time: 5-10 Days
  • Royal Mail Std. Airmail 5-10 Days: $8.30
    Royal Mails standard Airmail service. Worldwide delivery at a very good price, no tracking. Handed over to your countries own national delivery service once past customs. Delivery time - allow up to 10 days for non EU countries
  • Royal Mail Priorty Airmail 4-8 Days: $16.59
    Royal Mail international serivce is the quickest and best service for small parcels. For Europe please allow 3-7 days, for Australia, USA, Canada, Japan and other countries the service is normally 4-8 working days. This service allow some tracking and requires a signature.
General information about our shipping
***** on 10/04/2014

I have been using Dura Ace HollowTech bottom bracket bearings for years and always find them to be very reliable, both in terms of bearing quality and seals. Don't waste your money on ceramic bearing cups. I have found that the bearings are either too small and weak on the drive side so much so that they can crack. Or the seals are not adequate. The Dura Ace bottom bracket bearing won't last forever but will last longer than most other brands and at this price you really can't go wrong. The fact that it's not recommended you service it is actually an advantage as servicing these types of cups rarely pays off and takes time. The price does not prohibit just chucking it in the bin and putting in a brand new one.

The only reservation I have is that the cups come with grease on the threads and you should always use anti seize paste when installing bottom bracket cups. So that's a little confusing.

***** on 01/03/2014

Excellence once again from Shimano. Lightweight, precise, simple to fit and at only a small premium over the Ultegra unit then it has to be this one. Rock solid product.

***** on 13/02/2014

Bottom bracket runs as smoothly as I'd expect for Dura Ace, I can't comment on the durability as I've done about 200 miles on it so far but it appears to be very well made. It took a few attempts to get the thread to catch, the 105 BB it replaced seemed to be ever so slightly slimmer, but ultimately it went in correctly and my first impression was that there was little resistance compared to other BBs. What pleased me most about the order was the price Merlin sold it for - it was cheaper than Ultegra from other retailers and practically the same price as 105. So I thought "why not treat myself", even on my winter training bike!

***** on 01/06/2013

Bottom bracket bearings smooth. Overall, product of a standard to be expected of a Dura Ace component.

***** on 29/01/2013

awesome bottom bracket *****plus

great price, quick delivery!

***** on 25/09/2012

excellent, light and these are so much more durable then the ultegra BB's and just a few quid more at these prices!!

***** on 16/08/2012

Very nice and cheep BB

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