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2

The problem won't be the number of gears. Even 3 could be enough - if they were the right ones and you don't mind being slower. More important is the range, the difference between the lowest and the highest gear. The range of the Alfine 8 speed hub is higher than what you would get of a traditional chain derailleur with only 8 gears (1 front, 8 rear). But ...


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I don't have experience running 2600 km tours but have ridden 800 km and similar long rides. On a 8-speed bicycle, by the way. If the bicycle has only single chainring at the front I would recommend to take a bike with two or even three chainrings on the front for long climbs which are definitely present in Italy and Austria, otherwise the first serious ...


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A rear derailleur moves two ways: the tension from the shifter cable will pull it one way (usually towards the larger rear cogs) and spring tension within the derailleur will pull it back when you shift down into the smaller cogs. It sounds like the spring tension is not strong enough to overcome the cable tension / resistance when you're shifting. If you ...


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I had a similar issues getting into my 16 tooth gear but not coming out of it. Turns out that gear had some teeth worn down which made shifting a little sticky. After checking online and talking to a few good LBS the common answer was to swap out the cassette and chain. I had wondered if simply swapping one gear in the cassette would do it and in the end the ...


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I'm going with the KMC X10 line of chains, in particular, the KMC X10.93 chain, looks like around $25, as my "one chain to drive them all" for my 9 and 10 speed rear derailleur bike collection of Shimano drive train bikes. After it arrives, I'll post an update with the experience-based results on my 9 speed bikes.


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I tourer on a Surly Long Haul Trucker and I wouldn't consider a 30-34 "a pretty low gear", not when climbing hills on a loaded bike. My bike which has done a lot of touring including outback touring when the load is pretty big (trailer + six panniers = 35 litres of water, 20 days of food) is configured with a Shimano Deore XT CS-M770 11-34 rear cluster and ...


4

This ships with a Tiagra SS. Derailleurs come in 3 lengths: SS (narrow range) , GS (medium range), SGS (wide range). If you want to move past 30t, you need to switch to a SGS derailleur, likely from the Shimano mountain range (e.g. Deore M591) - its 9 speed so the cable pulls are the same between the 9 speed deore and 9 speed Tiagra. This is what I'd ...


2

Campagnolo 10 speed cassette is only 0.6mm wider end-to-end than their 9-speed cassette, so as long as the 9-speed setup still has that much adjustment in the limit screws you should be fine on that count. The jockey wheels only care about the inside width of the chain which is 3/32" on pretty-much all derailleur gear systems that have ever existed, so you ...


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I think the derailleur cable may be too loose. Try increasing the tension in the cable a tad and see if that helps. On many bikes you can increase the cable tension both at the derailleur and at the shifter using the thumbscrew. If that doesn't help, either lube or replace the cable, and lube all the derailleur pivots.


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It is harder to go to a bigger (more teeth) gear as the chain is going up hill. Hyperglide helps the up hill. The smallest gear is often loose. Not even sure you can put it on backwards. But if you could and if you did then the hyperglide would be backwards. Maybe worth checking.



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