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  • Not compatible with 9-speed system


  • Save 10%! This item qualifies for our drivetrain bike part discount. See Details

View all Shimano Bike Chains

REI membership


Best Use Cycling
Speeds 10-speed
Material(s) Steel
Weight 304 grams
Rated 5 out of 5 by from Great Chain i was upgrading my shimano ultegra 6700 system from a 11-28 cassette to a 12-30 cassette. i needed to do this to give more choices on steep climbs and i rarely used the 11 tooth sprocket. i bought the new chain in case i needed to extend the chain length after installing the larger sprocket. the 11-28 chain had 106 links. i tried this chain after adding the new cassette but it compromised the smooth shifting. i installed the new chain adding 2 more lnks (to 108 links) and if was just right. i tried the new set-up on some familiar climbs and i noticed the difference. now i can't wait to try the super-steep hills where i will need the additional leverage. even though i've had the bike for over a year now i only been stumped on climbs twice, but that was enough for me to make the change. i don't miss the 11 tooth sprocket; i only used it downhill at speeds that were risky at my age, so it was a compromise that made sense.
Date published: 2014-05-16
Rated 4 out of 5 by from Works well, wish it lasted longer My wife is pretty easy on bike equipment, but this has become the most commonly replaced item on her bike. Works well for 4,000 miles, then is degraded to the point that shifting is difficult and noisy in spite of any adjustments. Would like to try the DuraAce chains but REI doesn't carry them.
Date published: 2015-07-25
Rated 5 out of 5 by from Great chain… Make sure you read the instructions! Very solid and consistent chain. I did find out, though, that there is a different chain for a double chain ring and a triple chain ring. Also, the chains are Uni-directional. Make sure you have the right chain.
Date published: 2016-07-19
Rated 5 out of 5 by from smooth chain My bike pedals so smoothly after replacing the chain with the Ultegra. No issues so far. I always use shimano chains and should get another 4 to 5000 miles out of this one.
Date published: 2015-01-23
Rated 4 out of 5 by from Solid replacement As expected it the replacement part needed after the old one wears out
Date published: 2013-05-23
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How many links does this chain have? I am looking for 106

Asked by: Agarcia20
The Shimano Ultegra CN-6701 10-Speed Bike Chain has 114 links.
Answered by: REIservice
Date published: 2016-07-10
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