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Old 01-08-15 | 07:56 PM
  #4  
HillRider
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Joined: Aug 2005
Posts: 33,657
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Yes with a couple of specific exceptions. Shimano's first 10-speed Dura Ace hubs (7800?) and their contemporary Dura Ace and Ultegra prebuilt wheels used an aluminum freehub body with taller splines that accept ONLY 10-speed Shimano cassettes.

Later Dura Ace (7850, 7900, etc.) and all other 10-speed freehubs will take 8, 9 or 10-speed cassettes. The 8 and 9-speed cassettes need no spacers and 10-speed cassettes all come with a 1 mm spacer that goes behind the largest cog.
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