Price Paid:
$55.00
at ebay Favorite Ride: all over the midwest Bike Setup: Adventure into the 10 cog system led to SRAM cassette, chain, and cranks, along with Ultegra rear derailleur, FSA Energy front derailleur, and Shimano R700 shifters. . . Hey, I'm just going with what works. This little derailleur is fantastic! Summary: This product has less drag than the 105 rear derailleur, and this little Ultegra can manage SRAM's 11-28 by 10 cog cassette along with SRAM's 1070 chain.
The miniature Ultegra has no problem with this and no problem with the 50-34 compact crankset. That's a 33t spread and Ultegra 6600 Short Cage does it with grace. Strengths: Very much copasetic behavior, despite being pushed a bit beyond its specs.
Decreases drag noticably Weaknesses: Top pully has rubber junk seals that do drag; however it only takes about five minutes to dispose of the rubber bands and grease that pully up nicely. Similar Products Used: 105 long, LX short (nice!), XT Shadow medium, and a half dozen more. 
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