Description Features lifted straight from the top of the line Dura-Ace model and a much friendlier price.
The largest difference between this and the Dura-Ace model is that the Ultegra version offers a more durable but slightly heavier alloy body in lieu of a featherweight carbon construction. It also uses standard pulley bushing instead of bearings.
Where St-6700-G derailleur really shines is its updated, wider-than-ever parallelogram plates which offer increased stiffness and incredibly accurate shifting under load. A longer cage allows it to handle a 28t max. cog to accommodate the popular 11-28 cassette. The only difference between this and the standard 6700 model is a Grey finish. 189 grams (short cage).
Articles A description of the different types of bottom brackets, the bearings for bike cranks.
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An introduction to road bike cranksets.
