RT2 owners, Cable routing?
03-30-13, 07:10 PM
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RT2 owners, Cable routing?
Took today as the opportunity to clean up/adjust/tweak the bike today as we have just over 500 miles on it 
(My mental goal when we bought it was a mere 600 miles/yr so I am quite happy) The front shifting has been somewhat sketchy so I was looking to take out some cable slack etc. I notice the "line" under the bike seems odd as the FD cable comes down from the center guide at the HT to the far drive side spot in the captain bb cable stop then back in towards the center at the stoker BB. it appears that routing it thru the second slot closer to the non drive side would be a straighter shot, any reason not to do this?
(My mental goal when we bought it was a mere 600 miles/yr so I am quite happy) The front shifting has been somewhat sketchy so I was looking to take out some cable slack etc. I notice the "line" under the bike seems odd as the FD cable comes down from the center guide at the HT to the far drive side spot in the captain bb cable stop then back in towards the center at the stoker BB. it appears that routing it thru the second slot closer to the non drive side would be a straighter shot, any reason not to do this?
03-31-13, 08:52 AM
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You can route derailleur cables any way you like. So the cable bend leaving the shifters is less severe, I personally cross the head tube with the cables. I then cross them back to their proper position under the boom tube.
Hint: Not that there's enough of it to *really* matter, but just in case I use about a 2" X of cable liner where they cross, and super glue the X together at the intersection.
Hint: Not that there's enough of it to *really* matter, but just in case I use about a 2" X of cable liner where they cross, and super glue the X together at the intersection.
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2005 Trek T2000 tandem, Giant TCR, Eddie Merckx Majestic Ti, Fuji Team, Giant Revel 29er, Windsor Clockwork (Orange) fixie, and a BikTrix Juggernaut Ultra 1000 fat tire eBike
BICYCLE - [[I]bahy-si-kuhl] - Noun :> A medical device used to correct the common geriatric condition of OFS, (Old, Fat & Slow), in a manner that does not induce brain-decaying boredom like walking or running.
2005 Trek T2000 tandem, Giant TCR, Eddie Merckx Majestic Ti, Fuji Team, Giant Revel 29er, Windsor Clockwork (Orange) fixie, and a BikTrix Juggernaut Ultra 1000 fat tire eBike
03-31-13, 09:28 AM
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Nope... That's where it needs to go as best as I can recall from how Cannondale routes their cables. The front derailleur cable should be in the middle / left-most guide so that it also has a straight shot.
I always route rear derailleur to the left-hand cable stop on the head/down tubes and only allow enough housing for full handlebar rotation; nothing more and nothing less. If you go short, sure enough the bars will get turned all the way and unbeknownst to you the housing will get pulled out of the stop and get buggered-up. Too long is just, well too long.
I also cross back under the boom tube and use the little rubber cable bagels to keep the cable from rattling on the boom tube. I don't worry about the cables rubbing each other; they're both under tension and pulled from so far away that there's very little friction where they cross.
I always route rear derailleur to the left-hand cable stop on the head/down tubes and only allow enough housing for full handlebar rotation; nothing more and nothing less. If you go short, sure enough the bars will get turned all the way and unbeknownst to you the housing will get pulled out of the stop and get buggered-up. Too long is just, well too long.
I also cross back under the boom tube and use the little rubber cable bagels to keep the cable from rattling on the boom tube. I don't worry about the cables rubbing each other; they're both under tension and pulled from so far away that there's very little friction where they cross.
Likes For TandemGeek:
03-31-13, 01:11 PM
#4
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^^^ we have done the same as Mark (TandemGeek) described.
Thing is that with the modern shifters running all cables under the bar tape and exiting near the stem, that does not leave a lot of room to route the cables back to the same HT side, which is why the opposite HT side works better in most cases - a less abrupt bend. Then, crossing the shifter wires back to the correct side under the length of the bottom tube is not a problem.
Here's a shot of the way I ran our front end cables...
Thing is that with the modern shifters running all cables under the bar tape and exiting near the stem, that does not leave a lot of room to route the cables back to the same HT side, which is why the opposite HT side works better in most cases - a less abrupt bend. Then, crossing the shifter wires back to the correct side under the length of the bottom tube is not a problem.
Here's a shot of the way I ran our front end cables...
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