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Folding Bikes Discuss the unique features and issues of folding bikes. Also a great place to learn what folding bike will work best for your needs.

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Old 02-12-14, 01:36 PM   #1
ziqpy
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Tiagra / 105 / Ultegra

So my mini velo frame is on route, and I need to start sourcing parts.

Tiagra seems pretty cheap to get hold of, but should I be going 105 or Ultegra instead?

triple or double? And short of long de-railer? compact?

I'm seeing 10 speed cassettes being easiest to get hold of, and then there is hubs :/

So much to re-learn, and I'm forever on google atm
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Old 02-12-14, 04:54 PM   #2
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How much do you want to spend? Let that determine how high to go.

I'd def go double over triple;with small wheels you need to gear up,I can't see the small ring of a triple ever being used.
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Old 02-12-14, 05:47 PM   #3
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The only real difference in those three groups are cost, bragging rights and finish. They will all shift basically the same. Roger
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Old 02-12-14, 07:55 PM   #4
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The only real difference in those three groups are cost, bragging rights and finish. They will all shift basically the same. Roger
Don't forget weight. A few grams difference, at least.
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Old 02-12-14, 09:17 PM   #5
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It seems to me that the cheaper groups are made of slightly thicker metal, which means they may (may) be better able to withstand the extra stresses you get when you continually fold a bicycle up and put it in a suitcase. That was my logic when I went for Sora to kit out my Bike Friday six years ago, and while I don't know if that logic actually holds water, I've had no regrets. The bike is still going strong, countless folds and a couple of centuries later. I also went for a double not a triple, and that's mostly been ok. But I admit there have been times when an even grannier gear would have been nice to have.
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Old 02-13-14, 03:30 AM   #6
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Weight is 400 g ish between the top and bottom of them 3.

so might it be a case of which match up with the disc brakes?

i don't see a disc brake option for any.
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Old 02-13-14, 07:35 AM   #7
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DVC45 I put weight under bragging rights. Roger
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Old 02-13-14, 09:20 AM   #8
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I've found that in the same year of manufacture, Ultegra shifts, feels and looks a little better than 105, and 105 shifts, feels and looks a little better than Tiagra. But I wouldn't hesitate to put a Tiagra group on anything. It comes to a value proposition- often the bike manufacturers put Ultegra or Dura-Ace on bikes with better wheels, frame, etc (which make more difference than the shifter group, IMO) and so Ultegra gets associated with a "better" bike. So, if you're comfortable spending the extra Benjamins, then throw on the Ultegra. If you want perfectly functional, then use Tiagra.
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Old 02-13-14, 09:25 AM   #9
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The price jump between 105 and Ultegra is pretty high. Not so much between Tiagra and 105. In the end I opted for 105 on my current build mostly because I wanted the hidden cables and the black finish. Any improved shifting or weight savings is just a bonus.
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Old 02-13-14, 10:59 AM   #10
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DVC45 I put weight under bragging rights. Roger
Yeah, I guess I can agree.
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Old 02-13-14, 12:33 PM   #11
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Ultegra isn't badly priced, TILL.... the damn brake levers with built in shifters :/

I did a rough price up on all the bits i need.

about $1300 dollars not including chain and cables.

Can i fit a 11speed ultegra on rear? I know i need 11-sommat on rear? and compact on front?

I don't want to go hydraulic on the brake so it's 75$ for each caliper this ultegra cx77 cable brake.

Would rather get it right 1st time, and I will try and source slightly used ultegra off the eblag. Save some monehs
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Old 02-13-14, 12:43 PM   #12
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Ultegra isn't badly priced, TILL.... the damn brake levers with built in shifters :/

I did a rough price up on all the bits i need.

about $1300 dollars not including chain and cables.

Can i fit a 11speed ultegra on rear? I know i need 11-sommat on rear? and compact on front?

I don't want to go hydraulic on the brake so it's 75$ for each caliper this ultegra cx77 cable brake.

Would rather get it right 1st time, and I will try and source slightly used ultegra off the eblag. Save some monehs
Have you looked at complete groupsets on http://www.ribblecycles.co.uk/ ?
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Old 02-13-14, 01:14 PM   #13
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groupsets are calipers only, not seen a one with disc.
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Old 02-13-14, 01:20 PM   #14
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groupsets are calipers only, not seen a one with disc.
Gotcha, I'm not a folding bike guy so that was lost on me. Would you be better off buying the full group, selling the shifters that come with it, and buying the ones you need?
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Old 02-13-14, 05:51 PM   #15
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DVC45 I put weight under bragging rights. Roger
A few oz here and there add up. My main reason for getting Kojaks on my Brompton was it was the cheapest/easiest way to shave off a 1/2 pound. On a bike that going to be picked up and carried on a regular basis,this is important. And there is def a difference in feel between DA and Tiagra.

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groupsets are calipers only, not seen a one with disc.
Are you getting brifters? Brifters are short-pull;Avid,Tektro,and Shimano all make short-pull disc calipers. You could just buy a draintrain groupo,or just sell the calipers on CL or eBay.
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Old 02-13-14, 06:29 PM   #16
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Don't forget weight. A few grams difference, at least.
Very few ..

Discs are not mainstream roadie, you need MTB or Alfine parts ..
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Old 02-14-14, 06:53 AM   #17
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I can't justify double the price for ultegra over 105

SO going to go 105 set with the 105 sti brake/shifters.

Anyone tried the R517 brakes? or should I go CX77?
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Old 02-14-14, 07:17 AM   #18
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How different are the 105 vs. Tiagra brake/shifters?
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Old 02-14-14, 05:07 PM   #19
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Anyone tried the R517 brakes? or should I go CX77?
I vote for BB7 Roads. Tool free adjustment and pad swaps. I liked the M495's that came on my Safari until the head sheared off the rear caliper's pad retaining bolt and I couldn't change the pads out. I've had the road BB7's on 7 drop bar bikes and one flat bar,and have had zero issues.
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Old 02-14-14, 05:19 PM   #20
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11 speed on a folding bike? Doable, I`m sure, but doesn`t sound like a good idea IMO. Although I honestly can`t claim any personal experience with paper thin sprockets and high count drivetrains, my impresion is that they start getting finicky about cable adjustment, probably the last thing you`d want if you actually plan to fold it on a regular basis. Though I must admit that I do have one bike with a 9-speed rear and it actualy gives me no more trouble than the 7-speed and 8-speed on the rest of my bikes. Sucks because it robs me of good whining rights

I generally prefer triples since I can`t see any good reason NOT to go that route, but it would be nice to avoid the slightly longer RD on any bike with little wheels. Because I bought my folder with touring as one of its primary purposes, I use a triple on it in spite of the longer derailler.
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Old 02-15-14, 03:32 AM   #21
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going to have to use the cx75 hubs with 10speed+ spacer 105 for my mini velo.
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