BB91 - OSBB Adapter

BB91 - OSBB Adapter

W93940016

Regular price$39.99
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California Region

  • San Rafael 2-4 days 10-14 days
  • Sausalito 2-4 days 10-14 days
  • Berkeley 2-4 days 10-14 days
  • Palo Alto 2-4 days 10-14 days
  • San Francisco 2-4 days 10-14 days
  • Sacramento 2-4 days 10-14 days
  • Los Gatos 2-4 days 10-14 days
  • Petaluma 2-4 days 10-14 days
  • Walnut Creek Available
  • San Jose 2-4 days 10-14 days
  • Pleasanton 2-4 days 10-14 days
  • Folsom 2-4 days 10-14 days
  • Roseville 2-4 days 10-14 days
  • Stanford Research Park 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

Colorado Region

  • Denver East 2-4 days 10-14 days
  • Denver Downtown 2-4 days 10-14 days
  • Highlands Ranch 2-4 days 10-14 days
  • Parker 2-4 days 10-14 days
  • Distribution Center 2-4 days 10-14 days

Free shipping on all orders over $49. $9 shipping for orders under $49.

Cannondale, Santa Cruz, Cervelo, Gazelle, BMC, and *other bikes ship for FREE, but Gold Label Assembly will be added at checkout for only $79 (reg. $100) to cover the professional bike build and re-packaging by our certified technicians. It’s bike shop quality, direct to your door!

Some bikes not eligible for shipping due to manufacturer restrictions.

Shop with confidence! It's important to us that you are happy with your Mike’s Bikes purchase so we offer offer a 30-day return/exchange window for your unused gear and 14 days on all bikes. Our exchange and return process is fast and easy. If you choose to exchange for a different size or color, we will ship your product for free.

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Bottom bracket adapter for converting older Specialized frames to a BB91 standard.
This item is used on the following models:
Model Year Category Model
2011 Era FSR Comp Carbon 
2011 Era FSR SW Carbon Frameset
2011 SJ FSR Comp Carbon
2011 SJ FSR Elite Carbon
2011 SJ FSR Expert Carbon
2011 SJ FSR Pro Carbon
2011 SJ FSR SW Carbon
2011 SJ FSR SW Carbon Frame
2010 Epic Comp
2010 Epic Comp 29er
2010 Epic Comp Carbon
2010 Epic Expert
2010 Epic Expert Carbon
2010 Epic Marathon
2010 Epic Marathon 29er
2010 Epic Marathon 29er Frameset
2010 Epic Marathon Carbon
2010 Epic Marathon Frame
2010 Epic SW Carbon Disc
2010 Epic SW Carbon Frameset
2010 Era FSR Expert Carbon
2010 Era FSR SW Carbon 
2010 SJ FSR Expert Carbon
2010 SJ FSR Pro Carbon
2010 SJ FSR SW Carbon
2010 SJ FSR SW Carbon Frame
2010 SJ HT Comp Carbon
2010 SJ HT Expert Carbon
2010 SJ HT Expert Carbon 29er
2010 SJ HT Marathon Carbon
2010 SJ HT SW Carbon
2010 SJ HT SW Carbon 29er
2010 SJ HT SW Carbon 29er Frameset
2010 SJ HT SW Carbon 29er SS Frame
2010 SJ HT SW Carbon Frame