somberlaine Posted June 2, 2005 Report Share Posted June 2, 2005 I am curently running 22th on the front with 19th on the rear and 175mm cranks. Basically I want to only run 4 sprockets on the rear with spacers in between them but on my cassette the only two sprockets which are connected are the 18th and 19th! So If i run 20th on the front what will, roughly, be the correlating rear sprocket so that it as similar as possbile (if not exactly then a little harder) to 22th front/19th rear? and will running a kmc wide chain be possible if i put some washers either side of the jockey wheel on the rear mech? - 3/32 chains aren't exactly reassuring to ride with.. <_< Quote Link to comment Share on other sites More sharing options...
Tartridge Posted June 2, 2005 Report Share Posted June 2, 2005 So If i run 20th on the front what will, roughly, be the correlating rear sprocket so that it as similar as possbile (if not exactly then a little harder) to 22th front/19th rear? ← 17t rear <_< Its as close as you'll get, and it is a tiny bit harder. As for the mech - thats exactly what to do. You'll need slightly longer bolts too. The thread on them is M5. Adam Quote Link to comment Share on other sites More sharing options...
somberlaine Posted June 2, 2005 Author Report Share Posted June 2, 2005 nice one. so wheres the best place to get these longer bolts from and some alu spacers? (i have to have alu because its an aluminium hub body. Quote Link to comment Share on other sites More sharing options...
Tartridge Posted June 2, 2005 Report Share Posted June 2, 2005 so wheres the best place to get these longer bolts from and some alu spacers? (i have to have alu because its an aluminium hub body. ← Bolts - Local bolt supplier. The spacers need to go between the cage and jockey wheel on your rear mech... so the freehub body material doesn't make any difference. All you need is 8 M5 washers, once again - bolt supplier <_< Quote Link to comment Share on other sites More sharing options...
somberlaine Posted June 2, 2005 Author Report Share Posted June 2, 2005 ok, so that's 8 M5 washers, check. But what about the spacers for my freehub body, to go between the sprockets? where to get those from and won't they need to be aluminium? Quote Link to comment Share on other sites More sharing options...
Tartridge Posted June 2, 2005 Report Share Posted June 2, 2005 Aah... I see now, sorry! You can rip an old cassette apart and use the spacers from there. Theres three long pins that hold them together usually, 2.5mm allen key head. Cheap cassettes have plastic ones, expensive ones use aluminium spacers... so no worries there <_< Quote Link to comment Share on other sites More sharing options...
Danny Posted June 2, 2005 Report Share Posted June 2, 2005 For an easy gear ratio calculator checkout my signature <_< Quote Link to comment Share on other sites More sharing options...
somberlaine Posted June 2, 2005 Author Report Share Posted June 2, 2005 cheers dudes. dont wory about the gear ratio chart, i have sourced one from goooooooooogle <_< michael Quote Link to comment Share on other sites More sharing options...
Dr. Nick Riviera Posted June 2, 2005 Report Share Posted June 2, 2005 a kmc fat k710 , fits throught my tiagra fine , so check before you go modifyfing your mech Quote Link to comment Share on other sites More sharing options...
somberlaine Posted June 3, 2005 Author Report Share Posted June 3, 2005 yeah, what ill do is go to a fixtures/fitings place and get a load of bolts and washers for all the bits on my bike which round off and then when i get home ill see how it goes. Quote Link to comment Share on other sites More sharing options...
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