Anth73 wrote:I don't like the wider Q factor of a triple and it would also require a new front shifter and derailleur.
Does the XT come in a 10 speed now?
They are triple compatible that was one of the problems with them. Use them as a double and you have to double tap.The rest of the groupset is Shimano 5600 105
The Duckmeister wrote:As someone else said, you'd need a MTB derailleur, which has a longer body. BUT odd as this will seem, you can't use a new 10-speed one; the cable pull ratio is unique & only matches the 10-sp MTB shifters. 9-Sp derailleurs do use the same pull ratio as road levers, so will work.
The Duckmeister wrote:I've just put a 10-speed upgrade kit on my MTB, which as previously noted only works within its own little family; SLX & XT are interchangeable, but won't fit with 9-speed or road 10-speed stuff.
However, I have experimented with using a "9-speed" SLX rear derailleur on my 10-speed (Ultegra) road bike without any other changes, the reason being is that I'll be using a shorter-cage SLX RD with a 105 driveline in the HPV and needed to know if it will work before committing to it.
I'd also recommend using the SRAM cassette rather than a Shimano MTB 10-sp. The Shimano has some very aggressively profiled teeth, requiring the specific chains (HG-74/94) to work properly. These chains are also not compatible (so they say) with road gear. The SRAM cassettes have more standard tooth profiling, thus are able to be used with a wider selection of 10-sp. chains.
The Duckmeister wrote:Won't fit with the OP's Shimano levers 'cos of its different leverage ratio.
Anth73 wrote:Some of you may be aware of our epic and unconventional Kinglake ascent a few weeks ago up the Bald Spur Road, where gradients ranged from a quad-burning 20% to a get-off-and-walk 30%. For those that aren't you can read about it at http://www.bv.com.au/forums/viewtopic.php?f=16&t=10800&p=469297#p466645 to get the gist of it.
The Fuji cyclocross bike I used on this ride serves as my weekday commuter and the current 36/46 FSA Gossamer crank with 12-25 cassette serves me well. The rest of the groupset is Shimano 5600 105, except for the rear derailleur with is a short cage Ultegra 6600 unit. For offroad duty I swap out my commuting rims with tougher units that have cyclocross tyres and a 12-27 cassette.
I'm toying with "Project Bald Spur" to try and get a little more low range gearing. My preference at the moment is to:
- swap out the 36 tooth chainring on the crank for a 34 tooth unit
- install an Ultegra 6600 series long cage derailleur, or a 105 series depending on availability
- install a SRAM Apex 11-32 10 speed cassette on my cyclocross rims
I'd appreciate any advice or thoughts on this. Also, does anyone know if the new 5700 105 series rear derailleur is compatible with 105 5600 series STI levers? Just wanting a backup plan if I can't source a long cage Ultegra 6600 or 105 5600 unit.
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