BB / Crankset / Derailleurs replacement
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BB / Crankset / Derailleurs replacement
Postby TethAdam5 » Wed Nov 12, 2008 1:30 pm
It currently has 2200 series Front & Rear Derailleurs, Crankset and what I have discovered is a Truativ BB7420 bottom bracket (113mm spindle, BB Shell width 68mm English).
I only want to marginally upgrade and have found the following parts on Ribble for around $150 to upgrade my current set-up:
Crankset
Front Derailleur
Rear Derailleur
Now obviously that crankset requires a different BB than my OCR has (ES30 BS68-118 English), and this is where I am trying to confirm - can I use a splined 118mm spindle BB as a replacement on this bike?
Is there anything else I've missed in selecting these parts (apart from some tools etc)
Thanks for any help.
- Kalgrm
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Postby Kalgrm » Wed Nov 12, 2008 1:43 pm
You'll probably need new gear cables. If it turns out that you need a new chain (due to a mismatch between the old worn chain and the new chain rings), you'll also need a new cassette.
Cheers,
Graeme
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Music was better when ugly people were allowed to make it ....
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Postby gclark8 » Wed Nov 12, 2008 2:10 pm
http://www.bikeexchange.com.au/bikes/preview/100004919
Pick up Perth only.
George.
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Postby TethAdam5 » Wed Nov 12, 2008 2:27 pm
Why Sora - I've aimed for the cheapest swap possible for my commute bike parts, and they are the only available 8-speed triple chain ring set-up that will match my shifters.twizzle wrote:Why Sora? And why do you need to upgrade?
Why the upgrade - its more preparedness than anything else - some of the parts to match an 8-speed triple set-up are hard to get a hold of and I noticed them on ribble recently, my rear derailleur is a little banged up from a few falls throughout the year (shifts, but is a long way from smooth) and the front chainring (middle ring) has some chipped teeth (not sure how that happened).
I am planning on a new bike at the end of next year, but at the same time, I want this bike as a spare to be reliable.
I am also interested in learning how to replace this stuff for future reference, and this bike will make good practice for when I splash out on the next one.
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Postby artemidorus » Wed Nov 12, 2008 11:11 pm
Sorry, just trying to to be the little devil on your other shoulder.
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Postby twizzle » Thu Nov 13, 2008 12:45 am
Sounds like you just need a chain ring and new cables.TethAdam5 wrote:Why Sora - I've aimed for the cheapest swap possible for my commute bike parts, and they are the only available 8-speed triple chain ring set-up that will match my shifters.twizzle wrote:Why Sora? And why do you need to upgrade?
Why the upgrade - its more preparedness than anything else - some of the parts to match an 8-speed triple set-up are hard to get a hold of and I noticed them on ribble recently, my rear derailleur is a little banged up from a few falls throughout the year (shifts, but is a long way from smooth) and the front chainring (middle ring) has some chipped teeth (not sure how that happened).
I am planning on a new bike at the end of next year, but at the same time, I want this bike as a spare to be reliable.
I am also interested in learning how to replace this stuff for future reference, and this bike will make good practice for when I splash out on the next one.
but...
Re. the derailleur, they are 'generally' (Dura-ace reportedly are the exception) compatible regardless of no. of gears, so you could stick a Tiagra/105 9/10-speed on and get some bling at the same time - just make sure it's the triple version ie for 105 it would be the RD-5500-GS/RD-5600-GS or for Tiagra it's a a RD-4500-GS. I picked up a current 105 triple new on EBay recently for $50.
Tools will set you back a lot more. You will need a rear cable at least, so the Park cable cutter is $90+, ~$25 for a set of Dura-ace cables (don't waste time on cheaper ones) and a 5mm hex key for the bolts. And the shimano chain ring nut tool is about $20 from memory.
...real cyclists don't have squeaky chains...
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Postby Kalgrm » Thu Nov 13, 2008 9:12 am
Whoa! I must have been very lucky over the years, because my old side cutters or pliers have always done the job. My Swiss Army "Leatherman" rip-off cuts even better (cable and housing).twizzle wrote: You will need a rear cable at least, so the Park cable cutter is $90+ ....
Cheers,
Graeme
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Postby lemmiwinks » Thu Nov 13, 2008 9:25 am
Kalgrm wrote:Whoa! I must have been very lucky over the years, because my old side cutters or pliers have always done the job.twizzle wrote: You will need a rear cable at least, so the Park cable cutter is $90+ ....
Yep, me too.
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Postby il padrone » Thu Nov 13, 2008 9:32 am
A specific cable-cutter will always cut your cables neater than side cutters. It has two crescent blades that encircle the cable as they cut - doesn't squeeze the strands flat.Kalgrm wrote:Whoa! I must have been very lucky over the years, because my old side cutters or pliers have always done the job.twizzle wrote: You will need a rear cable at least, so the Park cable cutter is $90+ ....
Was that brake housings or SIS cable housings? Because the modern indexed derailleur cable housings are virtually impossible to cut properly without the correct tools. Longitudinal wire strands will just get mashed with a side cutter. You'd probably be better off cutting them with a hacksawKalgrm wrote:My Swiss Army "Leatherman" rip-off cuts even better (cable and housing).
"An unjustified and unethical imposition on a healthy activity."
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Postby Kalgrm » Thu Nov 13, 2008 10:11 am
Both types with the Swiss Army thing. It has what amounts to a heavy duty scissor as its cutting tool, where it shears the cable and housing rather than "pinches" it as the side cutters do.il padrone wrote:Was that brake housings or SIS cable housings? Because the modern indexed derailleur cable housings are virtually impossible to cut properly without the correct tools. Longitudinal wire strands will just get mashed with a side cutter. You'd probably be better off cutting them with a hacksawKalgrm wrote:My Swiss Army "Leatherman" rip-off cuts even better (cable and housing).
I don't doubt the correct tool would be better (and they can be had for <$50 from c r c) but I baulk at spending more than $90 for a tool when I already have tools lying around which will do the job. I bet there is a tool at Bunnies which would also duplicate the action of the Park Tools one at a fraction of the cost.
Cheers,
Graeme
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Postby lemmiwinks » Thu Nov 13, 2008 10:29 am
I cut my housings with a hacksaw and tidy up on the bench grinder/linisher. But all my stuff is very old school, I only just got given an SIS equipped bike on the weekend.il padrone wrote: Was that brake housings or SIS cable housings? Because the modern indexed derailleur cable housings are virtually impossible to cut properly without the correct tools. Longitudinal wire strands will just get mashed with a side cutter. You'd probably be better off cutting them with a hacksaw
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Postby twizzle » Thu Nov 13, 2008 2:02 pm
I'll bet my Park cable cutter is still working perfectly after many more cable housings.... can you say the same thing about cheap pliers, side cutters and hacksaw blades?
...real cyclists don't have squeaky chains...
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Postby sittingbison » Thu Nov 13, 2008 2:31 pm
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Postby lemmiwinks » Thu Nov 13, 2008 3:07 pm
In that case I'll just use the dremel with a cut off wheeltwizzle wrote:Genuine SIS cable housings are made using spring steel wires - which are hi-tensile and at least 65% the hardness of high quality side cutters, 80% the hardness of a hacksaw blade, and of similar hardness to garden variety side cutters and pliers.
I'll bet my Park cable cutter is still working perfectly after many more cable housings.... can you say the same thing about cheap pliers, side cutters and hacksaw blades?
P.S I just replace my hacksaw blade when it's worn out.
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Postby Kalgrm » Thu Nov 13, 2008 3:36 pm
Yeah, you're probably right. My cheap side cutters are about five or six years old now. I've probably only cut 16 or 20 cable housings over that time, but they aren't showing the signs yet. Yours, costing about 7 times what I paid, should last you a life time. There's no doubt I will need to spend another $15 dollars in a few years when mine eventually wear out.twizzle wrote:I'll bet my Park cable cutter is still working perfectly after many more cable housings.... can you say the same thing about cheap pliers, side cutters and hacksaw blades?
Shall we compare notes in thirty years?
Cheers,
Graeme
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Music was better when ugly people were allowed to make it ....
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Postby lemmiwinks » Thu Nov 13, 2008 3:53 pm
Ooh you're a bad man Graeme! I think we all agree though that there are times when a special tool for a certain job has no substitute (removing a screw on freewheel comes to mind, or a freehub lockring). But there are plenty of times when there's more than one way to skin a cat.Kalgrm wrote:Yeah, you're probably right. My cheap side cutters are about five or six years old now. I've probably only cut 16 or 20 cable housings over that time, but they aren't showing the signs yet. Yours, costing about 7 times what I paid, should last you a life time. There's no doubt I will need to spend another $15 dollars in a few years when mine eventually wear out.twizzle wrote:I'll bet my Park cable cutter is still working perfectly after many more cable housings.... can you say the same thing about cheap pliers, side cutters and hacksaw blades?
Shall we compare notes in thirty years?
Cheers,
Graeme
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Postby rustychisel » Thu Nov 13, 2008 4:37 pm
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Postby sittingbison » Thu Nov 13, 2008 6:03 pm
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Postby lemmiwinks » Fri Nov 14, 2008 8:58 am
They squirm a bit, but if you shove their head in a gumboot it helps a lotrustychisel wrote:Fark!!! That's bit hardcore, using sidecutters to skin a cat....
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Postby TethAdam5 » Fri Nov 14, 2008 11:30 am
In choosing BB / Derailleurs / Cranksets for my OCR
- cable cutters are the most important decision
- cats are best skinned using sidecutters and putting their head in a gum boot
- Forums are a hard place to get people to stay on topic!!
LOL
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Postby Kalgrm » Fri Nov 14, 2008 11:35 am
..... which only means you'll get a far more thorough education by asking any question on a forum than you would by asking your LBS ....TethAdam5 wrote:- Forums are a hard place to get people to stay on topic!!
... unless he uses forums too ....
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