| http://www.w3.org/ns/prov#value | - it is very frustrating and when it happens I have got to shift back to the big ring and try again (as I start uphill, or fall off my rollers!).The front derailleur is a Shimano Dura-Ace, the chain is a Shimano Ultegra 10 speed and the crankset and rings are FSA SLK 53/39.
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