![]() Going up, however, it does “micro-ratcheting.” So, 3 clicks going up = 1 click going down. So, if I want to shift from a big chain ring up front to a smaller chain ring, I hit my button and it makes the transition all the way to the next chain ring. It’s not that bad, but what Powershift does is it indexes the shifts going down. The French phrase which describes Powershift is, It Sucks. And it was too good to be true…Ĭampy has since “upgraded” from Ultrashift to what is known as Powershift. This allowed one to use virtually any FD and any number of chain rings. In essence, instead of indexing the front shifter, it offered “micro-ratchets.” So, it may have taken 3 or four shifts to get your derailleur to move chainrings (which can be done in one swoop if you prefer), but you had the ability to “trim” your front derailleur on the fly. 3 or 4 years ago this wasn’t a worry because Campy had an awesome feature in their left shifter known as Ultrashift. ![]() Where the wheel falls off the wagon, and is not documented well, is how the front derailleur marries up with the left ergo. DaVinci sells a modified Sram derailleur which marries Campy 10 spd and Shimano 9 spd cassettes. You can buy a JTEK Shiftmate which can marry just about any combination. This is only 1/100th of a mm difference! The other option is to do a Hubbub re-route with Campy 10 spd shifter and Shimano 9 spd cassette. The pertinent tables are below for Shimano conversions.Īs you can see, the best match is using a campy 10 spd shifter with a Shimano 8 spd cassette. It is a good read, and you should definitely take a look at it. The rear derailleur is actually quite well documented. The trickiest part of the Shimergo conversion is getting the cable pull from the shifters to match up with the derailleur. ![]()
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